NASA, George C. Marshall Space Flight Center, Procurement Office, Marshall Space Flight Center, AL 35812

59 -- FLOWMETER SOL 8-W-6-02-44391 POC Contact Tim Crabb, GP24B/Contract Specialist, 205-544-0365, or Jane Maples, GP24L, Contracting Officer NASA/MSFC plans to issue a Request for Offer (RFO) via NASA Acquisition Internet Service (NAIS) for Flowmeters, quantity 15 each, to support the Thermal and Environmental Control Subsystem of the Space Station Furnace Facility -- The flowmeter shall be capable of flowing 0 - 600 lbm/hr of coolant water at 50 - 130 degrees F and up to 100 psia -- The pressure drop across the flowmeter shall not exceed 0.5 psid at the maximum flow rate -- The flowmeter accuracy shall be (/= 5% of reading over the range of 100 - 500 lbm/hr at 18 - 100 psia and 50 - 130 degrees F -- The inlet and outlet ports shall be 1/2-inch female connections per MS33649-08 -- Interconnecting tubing shall be 0.5-inch OD with a 0.028-inch wall thickness -- The flowmeter envelope, excluding inlet and outlet ports, should not exceed 8 inches x 4 inches x 5 inches -- Its weight, excluding inlet and outlet ports, should not exceed 4 lb (3-lb goal) -- The input voltage for the flowmeter shall be 15 VDC -- Its output signal shall be 4 - 20 mA or 0 - 5 VDC -- The flowmeter shall be in conformance to the Space Station Electrical Power Specifications and Standards -- The flowmeter shall have a minimum operational life of 15 years, allowing for periodic inspections, corrective maintenance, and replacement of softgoods -- The external leakage for the flowmeter shall not exceed 3 x 10-5 scc/sec GHe at 100 psia internal pressure throughout the operating temperature range -- The flowmeter shall be verified as flight hardware (via test and assessment) for use on the Space Station -- It shall meet the materials and environmental requirements for Space Station hardware -- Delivery: 3 each non-flight units due 04/01/96; 12 flight units due 10/01/96 -- Complete specifications will be included in the RFO -- Copies of the RFO will be available by downloading from the Internet -- This procurement is being conducted under the NASA/MSFC MidRange Pilot Test Program approved by the Office of Federal Procurement Policy on April 16, 1993 -- Prospective offerors shall notify this office of their intent to submit an offer -- Transmission by facsimile to 205-544-9080 or by Internet e-mal tim.crabb@msfc.nasa.gov is acceptable -- Firm date for receipt of offers will be stated in the RFO -- This procurement is a total small business set-aside.-- The solicitation and any documents related to this procurement will be available over the Internet -- These documents will be in ASCII format and reside on a World-Wide Web (WWW) server, which may be accessed using client browsers, such as, MOSAIC -- The WWW address, or URL, of the MSFC Procurement home page is: ''http://procure.msfc.nasa.gov''. (0325)

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