When is it necessary to replace a check valve instead of repairing it

Spring Kits; 304 Stainless Steel Nuts & Bolts; Drain Plug/Flush port; Braided Teflon Hinge Pin Packing. Resources: Check Valve Selection Chart ( ... A Sump & Sewage Check Valve is very easy to install, and even though they are not usually code, it is good practice to make sure you have one included in your ... Pumps. Check valves in pumps is one of their more common uses. ... Parallel Pump System – In a parallel pump system, a check valve prevents the duty pump from ... Product Details. Our standard 1-1/4″ or 1-1/2″ slip x slip full flow check valve for basement sump or drain pump applications. The rubber coupling with ... Humphrey offers check valves from the miniature TAC family and specialty Check Valves (with override) from our Classic Diaphragm-Poppet Series. The globe style is compact and light weight with integral ANSI Class 125/150 flanged connections, standard lead-free bronze trim and EPDM rubber seat for leak ... REGE check valve. PN 25/12. Body brass UNE-EN 12165. Vulcanizated NBR gasket plate. Stainless steel spring AISI 304. Gas threaded ends (BSP) F-F ISO 228/1. Max. Check Valve for Mini-Thermostatic Valve 11197. $9.00. Qty Add to Cart. Collections: Aerators & Check Valves. Type: PARTS. Valve Type. Silent Check Valve. Material. Cast Iron. ANSI/Pressure Rating. Class 125. End Connection. Wafer. Body Style. Wafer. Seat Material. 244AB LF Brass EzPress Swing Check Valve. Horizontal “T” Pattern. Low Lead Brass Disc. AB1953, NSF/ANSI 61 & 372 Spec Sheet.