Product Description

Features: 1) DETAI check valves conform to ASME B*6.*4 2) Each tested according to API **9, and marking is per MSS SP**5 3) Three bonnet designs a) Bolted b) Welded c) Pressure seal 4) Three different design configurations a) Piston check b) Ball check c) Swing check 5) Investment casting 6) Working pressure: **5Lb~***0Lb 7) Temperature range: **9~**5 &#***1; 8) Material: WCB, SS **6, SS **4 9) Size: from 1/4" to 2" *0) Thread: NPT, BSPT, BSP, DIN**9/***9