Attachment 1 - Equipment Specifications.pdf

14991-26-001A

SPEC NO.: 14991-26-001A

2 February 2026

EQUIPMENT SPECIFICATION

FOR

TWELVE (12) 24-INCH BUTTERFLY VALVES WITH MANUAL OPERATORS

AND

TWELVE (12) ELECTRIC ACTUATORS

ARNOLD ENGINEERING DEVELOPING COMPLEX

ARNOLD AIR FORCE BASE, TENNESSEE 37389-9998

STINFO DISTR A

APPROVED FOR PUBLIC RELEASE –

DISTRIBUTION UNLIMITED

IRA-24-0401

STINFO DISTR A

Approved for Public Release – Distribution Unlimited

IRA-24-0401 Table Contents-1

TABLE OF CONTENTS

1. SCOPE

2. APPLICABLE DOCUMENTS

2.1. Government Documents

2.2. Non-Government Documents

3. REQUIREMENTS

3.1. Valve Requirements

3.2. Electric Actuator Requirements

3.3. Environmental Conditions

3.4. Assembly

3.5. Transportability

3.6. Materials

3.7. Workmanship

3.8. Submittals

4. TESTING AND VERIFICATION

4.1. Testing

4.2. Verification at AEDC

5. PACKAGING

5.1. Preparation for Delivery

5.2. Post-Delivery Storage

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1. SCOPE

1.1 This Specification establishes the design, performance, manufacture, testing, and acceptance requirements for twelve (12) 24-inch butterfly valves with manual operators and with non-modulating electrical actuators.

2. APPLICABLE DOCUMENTS

2.1 Government Documents: None.

2.2 Non-Government Documents:

2.2.1 American Gear Manufacturers Association:

A. AGMA 6001-F-25 Design and Selection of Components for Enclosed Gear Drives.

2.2.2 American Society for Mechanical Engineers:

A. ASME B16.5-25 Pipe Flanges and Flanged Fittings NPS 1- 2 Through NPS 24 Metric/Inch Standard.

B. ASME B16.34-25 Valves – Flanged, Treaded, and Welded End.

2.2.3 ASTM International:

A. ASTM A536-23 Specification for Ductile Iron Castings.

B. ASTM B117-19 Standard Practice for Operating Salt Spray (Fog) Apparatus.

2.2.4 American Water Works Association:

A. AWWA C207-24 Class D Flanges.

B. AWWA C504-23 Rubber -Seated Butterfly valves, 3 inches Through 72 inches.

C. AWWA C550-24 Protective Valve Interior Coatings.

2.2.5 American Petroleum Institute:

A. API-609 -21 Specification for Design and Manufacturing Butterfly Valves.

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2.2.6 International Electrotechnical Commission:

A. IEC 60529-25 Degrees of Protection Provided by Enclosures.

2.2.7 National Electrical Manufacturers Association:

A. NEMA 250-20 Enclosures for Electrical Equipment (1000 Volts Maximum).

3. REQUIREMENTS

3.1 Valve Requirements:

3.1.1 Valve Identification: Valves shall be provided with manufacturer’s name (or trademark), pressure rating, and valve designation.

3.1.2 Valve Designations on Sizes:

A. Valve size: 24 inches.

B. Design pressure range (pounds per square inch, gauge) and temperature:

0 to 150 psig and -20˚F to +120˚F.

C. Design minimum nominal flow rate: 12,000 gallons per minute (gpm).

3.1.3 Markings/Identification:

A. Markings shall be prominently and permanently displayed on the valve indicating flow direction unless bidirectional.

B. A visual valve position indicator shall be provided, be gear-driven and show continuous indication throughout the valve stem travel. The position indicator shall be visible without removing the enclosure’s cover.

3.1.4 Valve Body:

A. Body shall be one-piece fully flanged ASTM A536 Grade 65-45-12 ductile iron, 150# ANSI Class flat-faced with double-flanged end connections, per API 609, ASME 16.34, ASME B16.5 and AWWA C207.

B. Overall flange face to flange face length shall be 8 inches +/- 1/8 inch per AWWA-C504 Short Body Class.

3.1.5 Disc: Disc shall be Nylon 11 coated ductile iron per ASTM-A536 Grade 65-45- 12.

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3.1.6 Stem: Stem shall be bare 416/431 stainless steel, blowout proof with Polytetrafluoroethylene (PTFE)/stainless steel upper and lower bearings.

Stem is permitted to be split shaft or through shaft.

3.1.7 Seat: Seat shall be peroxide cured Ethylene Propylene Diene Monomer (EPDM), retained in the valve body Sprayed mating seat surfaces are unacceptable.

3.1.8 Bearings: Bearings shall be self-lubricating, corrosion-resistant sleeve type.

Bearings shall provide positive and accurate centering of the disc in the seat.

3.1.9 Packing: Packing shall be replaceable BUNA-N without removing the valve actuator and either self-adjusting or field adjustable. No asbestos materials will be allowed.

3.1.10 Valve Coating: Valves shall be coated with a two-part liquid epoxy equivalent.

The coating system shall meet the minimum corrosion requirements per AWWA C504.

3.1.11 Valve Internal Coating: Valves shall be AWWA C550 or equivalent.

3.1.12 Orientation: Valves shall be designed for installation and operation with the shaft/stem oriented horizontally without degradation in life for performance.

Vendor shall conduct a site visit to Arnold AFB for the purpose of measuring the existing equipment’s orientation. Vendor shall ensure that the orientation of each valve / actuator pair matches the orientation of the equipment currently installed at AEDC prior to shipping.

3.1.13 Operating Conditions:

A. Fluid: Raw lake water.

B. Cooling Water Service:

1. 35˚F to 85˚F average temperature extremes.

2. 50 to 125 pounds per square inch gage (psig) (150 psig dead-head pressure).

3. Ph 6.8 to 8.8.

4. Suspended solids 4 to 20 parts per million (ppm).

5. Dissolved solids 70 to 130 ppm.

6. Silica 1 to 10 ppm.

7. Calcium 19 to 29 ppm.

8. Bicarbonate 64 to 70 pps.

9. Hardness 80-116 MG/L.

10. Specific conductance 140 to 172.

3.1.14 Valves shall operate (open and close) at a system operating pressure of 150 psia (water) upstream and 0 - 30 psia (air) downstream.

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3.1.15 Valves shall actuate from full open to full close or from full close to full open in 60 seconds +/- 5 seconds under the operating condition outlined in Sections

3.1.13 and 3.1.14.

3.1.16 Leakage: Valves shall be Class 6 “bubble-tight” at rated pressure in both directions. Leakage rate requirement pertains to leakage from manufacturing defects or inability of the valve to comply with this specification; requirement does not apply to leakage caused by pipeline debris.

3.1.17 Reliability: Valves shall be designed for a 25-year life assuming 200 open/close cycles per year and a mean time between failures (MTBF) of not less than 250 cycles. All valve components should be designed to handle a safety factor of at least 20% over the recommended torque rating to account for torque setting adjustment and valve wear overtime.

3.1.18 Maintainability: Valves shall be designed for a mean time to repair (MTTR) not greater than eight (8) hours. All components in the valve system shall be manufacturer’s standard products with replacements readily available from commercial sources. The valves shall use no unique components

3.2 Electric Actuator Requirements:

3.2.1 Description: In accordance with AWWA C504, capable of providing complete closure and seating of valve. Electric, pushbutton local and remote station with pad lockable ‘local/remote/off’ positions with manual hand wheel override design.

The actuator shall have visual indication, showing output shaft and valve position. The actuator shall be suitable for submerged service. No asbestos material will be allowed. Actuator/operator shall be sized to allow for installation of valve with the seat on the downstream side which will require more torque for valve operation, to allow for operation of the valve when flow is reversed.

3.2.2 Provide worm gear reduction, absolute position encoded, electronic torque sensor, mechanically and electrically interlocked reversing motor contactor, electronic control, protection, monitoring package, manual override handwheel, valve interface bushing, 32-character graphical LCD (Liquid Crystal Display), local control switches as a self-contained unit with integral mounted reversing control bar package in an enclosure that is sealed to NEMA 4, 4X, 6, IP68 to 15M for 96 hours, and (XP as required). Actuator design life shall be one million drive sleeve turns.

3.2.3 Provide termination points on the actuator for a separate Government supplied remote, station containing a local/remote selector switch, a momentary open-close selector switch, and green-red indication lights, (green = not closed, red = not open, both green and red = intermediate) The valve actuator shall be compatible in form, fit, and function with a Limitorque MX-B Series type actuator.

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3.2.4 Valve Position: Shall be sensed by an 18-bit, optical, absolute position encoder with redundant position sensing circuits designed for Built-In-Self-Test (BIST).

Each of the position sensing circuits shall be redundant permitting up to 50% fault tolerance before the position is incorrectly reported. The BIST feature shall discern which failures signal a warning only and which require a warning plus safe shutdown of the actuator. Open and closed positions shall be stored in permanent, nonvolatile memory. The encoder shall measure valve position at all times, including both motor and handwheel operation, with or without power present, and without the use of a battery. The absolute encoder will be capable of resolving ±7o of output shaft position. Over 10,000 output drive rotations.

3.2.5 Calibration: Calibrated by a non-intrusion control panel. A thirty-two-character LCD shall display valve position locally. All calibration shall be possible without removing any covers and without the use of any special tools. All calibration shall be performed in clear text languages, no icons shall be used. All calibration shall be performed by answering the “YES” and “NO” questions displayed on the LCD.

“YES” is signaled by using the OPEN switch and “NO” by using the CLOSE switch, as indicated. A configurable password option available to prevent unauthorized changes.

3.2.6 Control Module: Shall consist of power and logic circuit boards, control transformer, and at least two primary power protection fuses, all mounted to a steel plate and attached in the control compartment with captive screws. Controls shall be internally protected from faulty site wiring and loss of phase. Open-to-close and close-to-open time shall be not less than 0.8 minute nor more than 1.3 minutes. The use of O rings or other such devices to secure the control boards shall not be permitted. The module shall be easily removed through the use of plug-in connectors. The module shall also include a reversing contactor, local control switches, 32-character graphical LCD, and LED indicators. It shall not be Bluetooth compatible or wirelessly/remotely activated from anywhere other than the control room. All internal wiring shall be flame-resistant, rated 105°C, and UL/CSA listed.

3.2.7 The Reversing Contactor: shall be mechanically and electrically interlocked to prevent simultaneous energizing of the open and close coils. The control module shall also include an auto reversal delay to inhibit high current surges caused by rapid motor reversals. The control transformer shall include vacuum-impregnated coils and dual primary fuses.

3.2.8 Electronics: Installed locally at the valve shall be capable of operating in a high vibration environment without suffering a reduced efficiency or life.

3.2.9 Relays for Status and Alarms: Up to eight (8) additional latching output contacts rated 250 VAC/30 VDC, 5 amps and configurable to represent any actuator status in either N/O or N/C state shall be available: mid-travel position, switched

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IRA-24-0401 Page-7 to local, over torque, motor over temperature, manual operation, switched to remote, switched to stop, valve moving, close torque switch, open torque switch, hardware failure, ESD active, inhibits active, valve jammed, analog IP lost, lost phase, and network controlled.

3.2.10 Phase Correction Circuit: Shall be included to correct motor rotation faults caused by incorrect site wiring. The phase correction circuit shall also detect the loss of a phase and disable operation to prevent motor damage. The monitor relay shall trip, and an error message shall be displayed on the LCD screen when loss of phase occurs.

3.2.11 External Discrete Remote Control: Shall be configured as 2, 3, or 4 wires for open-stop-close control. Remote control functions may be powered by external 24 VDC, 125 VAC, or the actuator’s internal 24 VDC supply. The voltage values for signal threshold shall be 19.2V AC/DC and 5.0V AC/DC respectively. The maximum load for 24 VDC is 2 mA. The internal supplies shall be protected against over current and short circuits faults and utilize optical isolation to minimize electro-magnetic interference. Discrete control shall have an isolated common.

3.2.12 Internal Discrete Remote Control: 110Vac, 15 Va - discrete remote control may be configured as 2, 3, or 4 wires for open-stop-close control and powered by actuator’s internal supply of 110 VAC, 20W circuit. The voltage values for signal threshold shall be 19.2V AC/DC and 5.0V AC/DC respectively. The maximum load for 110Vac is 10mA. The internal supplies shall be protected against over current and short circuit faults.

3.2.13 ESD (Emergency Shut Down): Provision shall be included in each actuator. The actuator shall permit up to three inputs for ESD and they shall be configurable.

The ESD signal shall override any existing signal (except LOCAL, STOP, and INHIBIT) and send the valve to its configured emergency position. The ESD may be configured to override LOCAL, STOP, and/or INHIBIT. Provision for an isolated common shall be provided.

3.2.14 Inhibit: Movement provision shall be included in each actuator. The actuator shall permit up to three inputs for Inhibits and they shall be configurable. Provision for an isolated common shall also be provided.

3.2.15 A Dedicated Circuit: to prevent undesired valve operation in the event of an internal circuit fault or erratic command signal shall be included. A single point failure will not result in erratic actuator movement. An open or short-circuit in the internal circuit board logic shall not energize the motor contactor, nor shall a single fused control relay contact fail to deenergize the motor contactor. The command inputs shall be optically coupled and require a pulse width of at least 250 ms to 350 ms to turn on or off. In the event of an internal circuit fault, an alarm shall be signaled by tripping the Monitor Relay and through LCD indication.

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3.2.16 Four (4) Latched Status Contacts: Rated 125VAC, 0.5A and 30VDC, 2 amps shall be provided for remote indication of valve position, configured as 1-N/O and 1-N/C for both the open and closed positions. Two (2) contacts may be configured to represent any other actuator status; mid-travel position, switched to local, over torque, motor over temperature, manual operation, switched to remote, switched to stop, valve moving, close torque switch, open torque switch, hardware failure, ESD active, inhibits active, valve jammed, analog IP lost, lost phase, and network controlled.

3.2.17 A Monitor Relay: Shall be included and shall trip when the actuator is not available for remote operation. Both N/O and N/C contacts shall be included, rated 125VAC, 0.5A and 30VDC, 2 amps. The monitor relay shall be configurable for three additional fault indications; lost phase, valve jammed, and motor over temp. The yellow LED shall blink when the monitor relay is active.

3.2.18 The ACP (Actuator Control Panel) cover & module shall use solid-state Hall-effect devices for local communication and configuration. The use of reed switches on the module is prohibited. A 32-character, graphical LCD shall be included to display valve position as a percent of open, 0-100%, and current actuator status. “STATUS OK” shall be displayed for an operable actuator. If the actuator is not operable, the appropriate alarm shall be displayed. The alarm shall be continuously displayed until the actuator is operable. Red, green, and yellow LEDs shall be included for open, close, stopped, and moving indication.

The Red and Green LEDs shall be reversible. A pad lockable LOCAL-STOP- REMOTE switch and an OPEN-CLOSE switch shall be included for local valve actuator control. The control switches shall not penetrate the controls cover and shall be designed to electrically isolate the actuator’s internal components from the external environment. The OPEN-CLOSE switch may be configured for maintained or push-to-run (inching) control.

3.2.19 Auxiliary Hand Wheel and Declutch Lever: shall not require more than 50-pound rim pull to operate valves from full open to full close and shall not rotate during motor operation. A handwheel and declutch lever shall be provided for manual operation. The handwheel shall not rotate during electric operation nor can a seized motor prevent manual operation. Changing from motor to manual operation is accomplished by engaging the declutch lever. Energizing the motor shall return the actuator to motor operation. The declutch lever shall be pad lockable in the motor position. Double Sealed Terminal Compartment & Terminal Block: All connections shall be located in a terminal chamber that is separately sealed from all other actuator components. Site wiring shall not expose actuator components to the environment. The internal sealing within the terminal chamber is suitable for NEMA 4, 6, and IP68 to 15M for 96 hours. The chamber shall include screw-type terminals, three (3) for power and 54 for control, for site connections. Three (3) conduit entries, available as: Two (2) - 1.25" NPT (M32) and one (1)-1.5" NPT (M40) shall be located in the terminal chamber.

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3.2.20 Torque Bushing: The actuator shall include a removable torque bushing to mate with the gearhead input shaft.

3.2.21 Actuator Motors:

A. General Requirements

1. Primary Power Supply: 480VAC, 60HZ, 3 Phase.

2. Control Power Supply: 120VAC, 60HZ, 1 Phase; Supplied with integral transformer within valve electrical compartment. Hot leg of transformer secondary shall be fused.

3. Transmitting Potentiometer: 1000 OHM.

4. Open/Stop/Close Buttons: Integral.

5. Position Lights: Integral; one (1) open, one (1) close, one (1) intermediate.

6. H-O-A Switch: Integral Local-Off-Remote.

7. Reversing Starter: Integral.

B. Enclosure: The valve actuator motor enclosure and limit switch/torque switch compartment shall be in an enclosure that is sealed to specs found in NEMA 250 ex: NEMA 4, 4X, 6, IP68 to 15M for 96 hours, (XP as required) or IEC 60529 Code Type IP68. The actuator shall have a separate sealed chamber for site wiring. This chamber shall be sealed to NEMA 4, 4X, 6, IP68 to 15M for 96 hours, (XP as required) or IEC 60529 Code Type IP68.

C. Motor: The motor shall consist of a three-phase electric motor. The motor shall be specifically designed for valve actuator service and shall be of high starting torque, totally enclosed, non-ventilated construction. Motor insulation shall be NEMA Class F with a maximum continuous temperature rating of 180°F (rise + ambient) for the duty cycle specified.

The motor shall be easily removed through the use of a plug-in connector and shaft coupling. Motor shall include solid-state thermistor embedded in the windings for overload protection.

1. The motor shall be of sufficient size to open and close the valves against the maximum expected differential pressure (150 psi) when voltage to the motor terminals is 10 percent above or below nominal voltage. The motor duty rating shall be sufficient for ten complete cycles (open-close-open, or reverse) without exceeding its temperature rating. The motor shall be pre-lubricated, and all bearings shall be of the anti-friction type.

2. The motors shall be induction type, rated 480 volts AC, three-phase, 60 Hertz. The motors shall have a time rating of 15 minutes. The motors shall be designed for full voltage starting, reversing duty.

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D. Electric Actuator Gearing: The actuator shall be a double reduction unit with the capability of changing the output speed with a simple gear change. The power gearing shall consist of carburized heat-treated helical gears and worm gearing. The worm shall be carburized and hardened alloy steel with the threads ground after heat-treating. All power gearing shall be grease lubricated. The worm gear shall be alloy bronze, cut with a hobbing machine. Ball or roller bearings shall be used throughout.

Gearing shall be mechanically designed and manufactured in conformance with AGMA 6001-F.

E. Power Transmission: Shall be completely bearing-supported and consist of a hardened alloy steel worm and bronze alloy worm gear, oil-bath lubricated using a synthetic oil designed specifically for extreme pressure worm and worm gear transmission service.

F. Coatings: The actuator shall be coated with a polymer powder coat. The coating system shall be suitable for an ASTM B117 salt spray test of 1500 hours. External fasteners shall be high-strength carbon steel, zinc plated, chromate-hexavalent coated, and then top coated with a high-strength, high endurance polymer. The fasteners shall be suitable for an ASTM B117 salt spray test of 500 hours.

3.2.22 Electronic Torque Sensor: The torque limit shall be adjustable from 40 to 100% of overall rating in 1% increments. The valve, once assembled, should have its torque set at 55% and have an overall torque safety factor of a minimum 20% over. All components should be designed to handle a safety factor of 20% over the recommended torque rating to account for torque setting adjustment and valve wear overtime. The motor shall be deenergized if torque limit is exceeded.

Include boost function to prevent exceeding limit during seating and unseating of valve and a “Jammed Valve” protection feature, with automatic retry sequence, shall be incorporated to deenergize the motor if no movement occurs. A handwheel shall be provided with manual declutching to mechanically disconnect the motor from the handwheel through the clutch assembly. The return to motor operation shall be automatic when the motor is energized. The handwheel shall not rotate during motor operation. The handwheel rim pull shall be no greater than 80 lbs. for maximum design conditions.

3.2.23 The actuator shall have mechanical provisions for locks to be installed on the handwheel or clutch for Lockout/Tagout (LOTO).

3.2.24 The actuator and gearbox shall be clocked in the exact orientation as the current applications in the field. This valve assembly is to be correctly oriented prior to leaving the subcontractor’s shop. BNH will not be responsible for resetting the actuator and gear boxes position upon arrival.

3.2.25 Power gearing consisting of heat treated helical or spur gears, carbonized and

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IRA-24-0401 Page-11 hardened alloy steel worm and alloy bronze wormgear, all Grade 0 grease lubricated, designed for 100% overload, and effectively sealed against entrance of foreign matter shall be provided.

3.2.26 Indicator lights shall be mounted next to the Open/Stop/Close push buttons and Local-Off-Remote switch.

3.3 Environmental Conditions:

3.3.1 Valves and actuators will be located outdoors.

A. -20˚F to +120˚F temperature range.

B. 20% to 100% relative humidity range.

C. 13.7 to 14.5 psia barometric pressure range.

3.4 Assembly: The valve and electric actuator shall be supplied completely assembled and oriented correctly for immediate install.

3.5 Transportability: The valve/actuator assemblies shall have provisions for lifting by crane or lift truck.

3.6 Materials: All materials, equipment and components shall be new, unused, and free from defects. Materials shall be made in the USA and that of standard products of a manufacturer regularly engaged in manufacturing of the products specified.

3.7 Workmanship: The equipment shall be constructed and finished in such a manner that no sharp edges, burrs, or physical defects are present.

3.8 Submittals:

3.8.1 Drawings: The contractor shall prepare and submit three (3) copies of the following drawings of the valves and actuators within three (3) weeks following contract award.

A. Assembly drawings: These drawings shall provide complete Bills of Material, sufficient details, and assembly information for the end user to replace parts or repair the valves and components. These diagrams shall serve as shop drawings for installation of the valves and shall be submitted three (3) weeks following contract award.

B. Wiring diagrams: An electrical wiring diagram of the actuator internal controls shall be submitted with the bid proposal.

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3.8.2 Calculations: The contractor shall prepare and submit for review three (3) copies of calculations and supporting information to include actuator sizing within three

(3) weeks following contract award.

3.8.3 Manuals: The contractor shall prepare and submit, at valve/actuator assembly delivery, three (3) copies of bound instructions on operation and maintenance of the system. Instructions shall cover each piece of equipment in the system. The manuals shall include, but not be limited to, the following:

A. Assembly drawings and wiring diagrams (described in Section 3.8.1).

B. Operation Manual: The operating manual shall outline the step-by-step procedures required for valve/actuator assembly operation and shall include the manufacturer's name, model number, service manual, and parts list.

C. Maintenance data and spare parts list of valve/actuator assembly. Include seat replacement procedure, stem seal replacement procedure, bearing and sleeve replacement procedure, product data, and shop drawings in a hardbound or loose-leaf notebook for a maintenance manual.

D. Manufacturer’s bulletins, cuts, and descriptive data on each piece of equipment.

3.8.4 Parts lists and recommended spare parts. The contractor shall provide a parts list containing each part with the manufacturer’s name, part number, price, and a vendor for each part. The contractor shall also provide a list of spare parts recommended by the manufacturer during one year of normal operation.Warranty: A minimum 1 year or standard manufacturer’s warranty, whichever is longer, shall be provided for all equipment. Warranty period shall not start until the valve/actuator assemblies are accepted by the Government.

3.8.5 All provided documentation should be accompanied with an electronic copy version as part of the submittals.

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3.8.6 Submittal Table:

Table 1. Required Submittal List

No.

Section

Reference Submittal Description Due

1 3.8.1 Drawings 3 weeks after contract award

3 3.8.2 Calculations 3 weeks after contract award

4 3.8.3 Manuals At Delivery

4 3.8.4 Warranty At Delivery

5 3.8.5 Electronic Version At Delivery

6 4.1.2 Test Schedule 15 working days before testing

7 4.1.3 Factory testing Prior to shipment

4. TESTING AND VERIFICATION

4.1 Testing

4.1.1 The Government reserves the right to witness all testing.

4.1.2 Notify the Government at least 15 working days in advance of the factory testing scheduled.

4.1.3 Factory Testing:

A. Documents representing results of factory tests for both valves and actuators shall be provided prior to shipment.

B. Valves:

1. Every valve shall be hydrostatic and shop leakage factory tested.

The valve shall be subjected to shop leakage tests to verify “bubble-tight” operation at rated system pressure. The test procedure and acceptance criteria shall be as stated in ASME B16.34.

2. Valves shall not require retesting unless damaged during shipment, handling, or installation. Should damage occur, the manufacturer shall be required to retest valve prior to installation.

3. A report confirming successful completion of testing shall be included with the valve.

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C. Actuators:

1. Every actuator shall be factory tested in accordance with ASME

B16.34 to ensure proper operation.

2. Every actuator shall be factory tested to verify rated output torque, output speed, handwheel operation, local control, control power supply, valve jammed function, all customer inputs and outputs, motor current, motor thermistor, LCD and LED operation, direction of rotation, and position- sensor checks.

3. A report confirming successful completion of testing shall be included with the actuator.

D. Valve/Actuator Assembly:

1. Operation of every valve/actuator assembly shall be demonstrated (with Government Representative present) by cycling valve open-close-open 10 times without stopping.

Actuator shall not overheat or stop except for open-closed limits.

Confirm the open and closed limit indication and valve position readout at each position.

2. A report confirming successful completion of testing shall be included with the valve/actuator assembly.

4.2 Verification at AEDC:

4.2.1 If requested by the Government Representative, the valve manufacturer shall provide personnel in attendance during initial leak check after installation to inspect and correct any seat leakage and to ensure the valve has been installed according to the manufacturer’s recommendations. The attending valve manufacturer representative shall certify in writing to the Government Representative that the valve was properly installed and adjusted at the conclusion of the installation and leak check operation.

5. PACKAGING

5.1 Preparation for Delivery: The valve/actuator assemblies specified herein shall be factory assembled. The assemblies shall be packaged and tagged in a manner that will protect the equipment from damage and facilitate the installation in the field. Machined and unpainted parts shall be protected from damage by the elements with the application of a strippable protective coating.

5.2 Post-Delivery Storage: Contractor shall provide all preservation, packaging, and packing such that the valve/actuator assemblies and related components can be stored on a pallet outdoors and sustain no damage from rain, sleet, snow, hail and other environmental conditions for up to 12 months.

END OF SPECIFICATION