SAM #80NSSC27948882Q

NASA sole-source requirement for an 8-inch KTM 3-way ball valve assembly

NASA needs a direct-replacement valve assembly for the 20 Mach 6 tunnel at Langley Research Center. - Opportunity: NASA/NSSC is seeking one 8-inch, 3-way L-port ball valve assembly for the HP air leg of the tunnel. - Sole-source basis: The notice identifies Robert E. Mason & Associates, Inc. as the sole provider. NASA says alternatives would require facility redesign and could cause 4–6 months of downtime. - Required configuration: KTM NB1HF valve (part number NB1HF-0200R3A200A2-SES06U8MCG0AIB), Bettis G4016-SR4 pneumatic actuator, stainless-steel mounting bracket, and Topworx DXP-M211NES switchbox. - Key specifications: 8-inch, ASME 300 RF flanged; 316 stainless-steel body and ball; Duplex 329 stem; Stellite seat; L-port; actuator sized for 90 psig supply. The switchbox includes two GO switches and a green/red position indicator. - Delivery: Required by July 2, 2027. Contract start date and duration are not stated. - Response: Quotes are not requested or evaluated. Interested vendors must submit a capability statement referencing the notice ID.

Description

THIS IS A SOLE SOURCE REQUIREMENT For 3-Way Ball Valve with Pneumatic Actuator

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