SATPC0039737 Tab 04 4 SOW. updated.pdf

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This is for the acquisition of thermal flow meter switches (SOR T21) to detect flow in our buffer air system during tunnel operations.
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80NSSC25914838Q
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This Statement of Work (SOW) is for materials procurement by NASA Langley Research Center for the Unitary Plan Wind Tunnel (B1251) facility. The SOW requires 14 units each of SOR T21 Thermal Differential Flow Switches (Model T21-DF6D-00) and corresponding SOR T21 Sensors (Model EAC-8A-00-5-PP). The flow switches feature an aluminum housing with Class 1 group classifications, 24VDC power supply, and 5A DPDT relay output. The sensors are 5-inch stainless steel twin-tip design with 3000 PSI overrange, ¾" NPT male process connection, NEMA 4 rated electronics enclosure, and identical relay output specifications. Delivery is specified for NASA Langley Research Center at 16 Victory Street, Hampton, VA, with a lead time of 10 weeks after receipt of order (ARO).

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Statement of Work (SOW) - Materials Only

SOR T21 Thermal Differential Flow Switches for Buffer Air System Facility: Unitary Plan Wind Tunnel/ B1251

Lead time: 10 weeks ARO

Place of Delivery:

NASA Langley Research Center 16 Victory Street Bldg. 1251, Rm. 125, M/S 413 Hampton, VA 23681-2199

Objective Procurement of appropriate SOR T21 flow switches with stainless steel twin-tip sensors.

Materials Required

1. SOR T21 Thermal Differential Flow Switches – Model number: T21-DF6D-00, QTY:14

• Single Point Switch

• Aluminum Housing, Class 1 Grps. B,C,D, Div.1&2, Terminal Block, 2 Nos. ¾ Inch

NPT(F) Conduit Connection

• Power Supply, 24VDC

• Output Type: 5A DPDT Relay @ 250 VAC

2. SOR T21 Sensor, Overrange = 3000 PSI – Model Number: EAC-8A-00-5-PP, QTY: 14

• Twin-tip 316/316L stainless steel sensors

• Sensor length: 5 inches

• Process Connection: ¾" NPT(M)

• Electronics enclosure: NEMA 4 rated

• Input Power: 24 VDC

• Output Type: 5A DPDT Relay @ 250 VAC

SOR T21 Thermal Differential Flow Switches for Buffer Air System
Objective
Materials Required

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