Salient Characteristics.pdf
PDF 87 KB Posted
- Attached to
- HVAC Centrifugal Recovery Machine
- Solicitation number
- FA282326Q0020
About this file
This document is a Salient Characteristics statement for a federal contract solicitation to Eglin Air Force Base, requiring delivery of refrigeration recovery and maintenance equipment.
The Government seeks delivery of one Cheetah Low and Medium Pressure Recovery unit, two Liquid Pumps, and two Mini Purge units to 796 CES/CEOIH, Building 690, 501 DeLeon Street, Suite 100, Eglin AFB, FL 32542. The Cheetah recovery system must feature a 2-hp motor driving a 10.6 cubic feet per minute vacuum pump, water-cooled condenser, system and tank pressure gauges, and a valving system with manually operated 3-way valve, oil return valve, and 2-way evacuation valve. Key specifications include R11, R113, R123, R114, R245fa, and R514a recovery capability; push/pull rates of 123 lbs/min for R123; vapor rates of 0.91 lbs/min for R123; ¾-inch male flare connections with optional quick-connects; dimensions of 26" x 22" x 44"; weight of 228 lbs; and 110-120V, 2 HP, 1-phase, 50/60Hz, 20A power requirements. The two Liquid Pumps must be commercial-grade units capable of transferring all Class I, II, III, and IV refrigerants at rates up to 20 gallons per minute with ¾-inch male flare connections, dimensions of approximately 12.0" high x 14.50" wide x 9.0" deep, weight of 55 lbs, and 110/115V or 220/230V, 0.75 HP, 1-phase, 50/60Hz, 15-amp power options. The two Mini Purge units must include 0.5-hp onboard compressors, achieve discharge efficiency of 0.20 lbs refrigerant per lb noncondensibles for high pressure and 0.08 lbs for low pressure R123 systems, weigh 65 lbs, feature 3/8-inch flare connections, measure 36" x 10" x 16", include 1-year parts warranty, and operate on 115/60/1 or 110/50/1, 15-amp, 0.5-hp power. A certified sales representative must be present at delivery to provide hands-on training and operational instruction at no additional cost—identified as a hard requirement with no exceptions. The vendor must contact Government Points of Contact to schedule delivery between 0645 and 1630 hours no later than one business day in advance.
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| File | Type | Posted |
|---|---|---|
| Combined Synopsis HVAC .pdf | ||
| Clauses.pdf |
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Text version
Salient Characteristics
1. The Government requests delivery of a Cheetah Low and Medium Pressure Recovery, two Liquid Pumps and 2 Mini Purge units to Eglin AFB,.
796 CES/CEOIH
Building 690 501 DeLeon St, Suite 100 Eglin AFB, FL. 32542
Government Points of Contact will be provided after the contract is awarded.
2. The vender shall call Government Point(s) of Contact to schedule delivery during the hours of (0645 to 1630) not later than one business day in advance of anticipated delivery. At which time, the Government will provide the exact location for that delivery. Upon delivery, a certified sales representative will be present on site to provide hands-on training and set up and operational instruction to Government personnel at no additional cost to the government. This is a hard requirement, no exceptions.
3. The Government is requesting a Cheetah Low and Medium Pressure Recovery or equal
These are the minimal requirements that the Government is willing to accept to successfully complete these projected projects within the time and budget that has been allotted. The specifications and capabilities outlined below are required by the Government. All items offered shall meet the outlined requirements below:
The RefTec CHEETAH recovery system provides efficient and safe recovery of most low-pressure refrigerants. The unit consists of a 2-hp motor driving a high capacity
10.6 ft3/min vacuum pump water cooled condenser, system pressure gauge, tank pressure gauge, a valving system consisting of one manually operated 3-way valve, oil return valve and one 2-way evacuation valve.
After an internal 2-minute timer delay, CHEETAH starts recovery by letting refrigerant migrate from the A/C System to the recovery tank. It then draws vapor off the recovery tank, lowering tank vapor pressure, heats vapor and increases pressure via compression, and injects it back into the A/C System condenser, thus creating a pressure differential for a push/pull liquid transfer. R11, R113, R123, R114, R245fa, R514a Recovery Unit With Welch 10.6 CFM Vacuum Pump.
R123: 123lbs/min push/pull liquid, .91lbs/min vapor
Water-cooled plate exchanger provides excellent condensing capacity
Easy operations
Simple switch from liquid to vapor recovery
Built in hose evacuation setting
Automatic low-pressure cutoff
Automatic high pressure safety cutoff
10.6 CFM heavy duty vacuum pump
Pulls greater than 29Hg vacuum
Upright cart mount for easy portability
Large tires for rough terrain
Specifications
Push/Pull Rates R123- 123-lbs/min: R11- 148-lbs/min
Vapor Rates R123- .91-lbs/min: R11- 1.65-lbs/min
Connections ¾” Male Flare or Optional Quick Connects
Dimensions Inches: l x w x h: 26 x 22 x 44
Weight: 228-lbs (shipping 300-lbs)
Float Connection: 3-pin BH 29″ Hg
Condenser Connection: Standard ¾” Garden Hose Connection
CLP-115-E Cheetah Vacuum Pump Recovery Unit for Low
Pressure Refrigerants. 110-120V, 2 HP 1PH, 50/60HZ,20A
4. The Government is requesting two Liquid Pumps or equal This unit is a commercial and industrial grade pump used to transfer all class I, II, III, and IV refrigerants at rates up to 20GPM. Liquid pumps are typically rated in gallons/min., and their capacity is determined by measurements made on water or light oils. Since vapor is almost always present, the actual flow is often quite a lot lower. Tests have indicated that a refrigerant pump capacity is reduced by 5 to 40% due to vapor displacing the liquid in actual field conditions where restrictions have been minimized. A sub cooler on the suction side reduces vapor formation and is an effective way of increasing flow rate.
General: The standard model has 3/4″ male flare connections with quick-connects as an option.
Installation: Installation of the oil recovery system shall be in accordance with all state and local, mechanical and electrical codes.
Power requirements 110/115V 50/60Hz 1Ph .75Hp 15Amp, 220/230V 50/60Hz 1Ph .75Hp 15Amp.
Dimension and Weight: Unit dimensions shall be approximately 12.0″ high x 14.50″ wide x 9.0″ deep Unit weight shall be 55-lb Transfer Rate, 20GPM.
5. The Government is requesting two Mini Purge Units. On board compressor greatly accelerates purge speed by actively pulling vapor from the cooling system, separating noncondensibles by compression, and forcing processed refrigerant liquid back into the cooling system.
Only system that eliminates air from both high or low pressure refrigerants.
Smallest and lightest purge unit on the market. At 65-lbs in weight, it is easily hand carried.
Vapor is pumped through a high capacity condenser then compressed in a purge vessel. Microprocessor controls calculate the most efficient time to purge non-condensibles.
Achieves discharge efficiency as high as 0.2 lb-refg/lb-noncondensibles on high pressure refrigerants. Many times more efficient than thermal purge units on the market.
Minipurge Refrigerant Recovery Unit temporarily connects to chillers and storage tanks charged with high or low pressure refrigerants and rapidly eliminates non-condensibles. Unit is ideal for supplementing thermal purge units during seasonal start ups on R11 or R123 chillers.
Custom high speed purgers for large tonnage high or low pressure chillers.
A 0.5hp compressor draws refrigerant vapor, pumps it through a condenser, and compresses it in a stainless steel purge vessel. Condensed refrigerant is forced back to the cooling system or recovery tank. When pressure rises to a certain point, non-condensibles are discharged with virtually no loss of refrigerant.
Specifications
Discharge High Pressure 0.20-lb refrigerant/lb-noncondensibles Discharge Low Pressure (R123) 0.08-lb refrigerant/lb-noncondensibles Dimensions – (L x W x H) 36″ x 10″ x 16″ Weight 65 lbs.
Connections 3/8″ flare Warranty for 1-year parts Power 115/60/1, 110/50/1, 15A, 0.5hp
File details come from the government source that posted it. Updated .