LLA CHECK VALVES

The U.S. Army Engineer District Walla Walla is soliciting firm-fixed-price quotes for two new 18-inch Carbon Steel Globe Body Silent Check Valves to be delivered to Lower Granite Dam, under solicitation number W912EF26QA083. This is a total small business set-aside with a NAICS code of 332911, and only new equipment is acceptable—remanufactured, refurbished, or gray market items are prohibited. The valves must be engineered to prevent flow reversal, surge, and water hammer while meeting all applicable ASTM standards, including a cast carbon steel body (ASTM A216 Grade WCB), 316 stainless steel trim and disc (ASTM A351 Grade CF8M), a 302 stainless steel spring (ASTM A276), and stainless steel guide pins and bushings. Operational specifications require a minimum pressure and temperature rating of 285 PSI at 100°F, ANSI Class 150 integrally cast flanged ends with a 16-hole bolt pattern, a flow capacity of at least 110% of the pipe size, a cracking pressure of less than 1 PSI, and top-and-bottom guided disc alignment to accommodate multi-angle installations. The valves must also include a metal-to-metal hand-lapped drop-tight seal and a permanently affixed, corrosion-resistant stainless steel nameplate listing the manufacturer, model, size, rating, and manufacturing date. Physical dimensions are strictly defined with no tolerance allowed: face-to-face measurement must be exactly 22.5 inches, overall diameter must not exceed 31 inches, and total weight must not exceed 1,300 lbs. Flanges must conform to ASTM A105 and ASME B16.5 standards with a 25-inch outside diameter, 22.75-inch bolt circle diameter, and 16-hole configuration. Quotes must be submitted by the deadline of August 14, 2026, and deliveries are to be made to a location in Washington with a zip code of 99347. Primary point of contact is Gregory Moyer, reachable via email at Gregory.Moyer@usace.army.mil or phone at 509-527-7207, with Kristin Hyde as the secondary contact. The solicitation was posted on July 27, 2026, and