DIBBS #SPE7MC-26-T-308E

DLA request for four qualified temperature-regulating valves

DLA is seeking four qualified temperature-regulating valves for a maritime application. - Government buyer: Defense Logistics Agency (DLA), DLA Land and Maritime, Maritime Hardware/Electrical; contact listed as Paula Mcclary. - Solicitation: SPE7MC-26-T-308E; purchase request 7018495801. - Product: Four 1-1/2-inch temperature-regulating valves, NSN 4820-01-142-0257, piece number M19772-C1F1024. - OEMs and vendors: No manufacturer, OEM, or supplier is named in the notice or attachment. - Key technical requirements: - Temperature setting of 140°F, adjustable from 120°F to 180°F; safety shutdown must occur 5°F to 10°F above the setting. - For steam service: inlet pressure of 40–100 PSIG and inlet temperature of 267–425°F; bulb rated at 150 PSIG. - Special fail-safe construction; soft Rulon seat is acceptable, as is a forged-brass bonnet. Silbraze union ends are required. - Must operate smoothly under back pressure up to 10 PSIG and pass required shock and vibration testing. - Face-to-face dimension is 11-3/4 inches; specified height and width limits apply. The 11-3/4-inch end-to-end dimension may be achieved with correctly sized spools. - Thermal-element limits include a 1 1/8-12 straight-thread retaining nut, a combined nut-and-seal thickness of 1 inch, maximum 15-1/2-inch length into the heater, and bulb diameter under 13/16 inch. Bulbs may be flexible or partly rigid, with rigid portions no longer than 7 inches. - The item is identified as a qualified-products-list item and must meet the stated specification and testing requirements. - Delivery is required within 160 days after order.

Description

VALVE, REGULATING, TEMPE (QTY: 4, NSN: 4820-01-142-0257 Mil-Spec, Purchase Request: 7018495801)

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