Jis Check Valve




Our company JIS check valve usually be reliably used in steam, air, coal pas, oil or oil gas etc high or low -pressure condition. High or low-pressure valve

normal adopt internal rocker to reduce medium external leakage. It can be equipped external lever and adjusting foundry weight and can be select connection

type and trim material according to working condition if user need. Large check valve usually be equipped with vibration absorber.

Construction as follows

1. Full Bore/Reduce bore

2. Rising disc/swing desc

3. Detachable seat

4. Bolted cover/Pressure seal cover




Design And ManufactureFace To FaceFlange DimensionPressure-                Temperture ratingInspection And Test
JIS B2071 B2081JIS B2002JIS B2212 B2214JIS B2071 B2081JIS B2003


                                               Capability criterion

Body materialSPCH2-11SPCH2-32SCS13ASCS19ASCS14ASCS16ASCPL1
Suitable Temperature≤425℃≤540℃≤275℃≤200℃≤275℃≤200℃-45~150℃
Appropriate MediumWater Steam Oil GoodsNitric AcidAcetic AcidLiquid Ammonia