Ductile iron body, Ball in aluminum covered rubber EPDM or NBR (or ductile iron covered rubber EPDM or NBR)
face to face: DIN3202 F6
inside and outside body coated powder epoxy coating


our other check valves:

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Anhui Sunval International Co., Ltd.![]() Profile Certified by SGS/BV
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Air Conditionning Connecting Copper Tube/Pipe with Single Layer Insulation Tube
Anhui Sunval International Co., Ltd.Insulated Copper Tube Coil for Air Conditioner
Anhui Sunval International Co., Ltd.Two Layers White PE Foam Insulation Pipe for Air Conditioner
Anhui Sunval International Co., Ltd.BS 1868 Nps10 Class 150 Swing/Lifted Check Valve
Zhejiang Feibike Valve Co.,Ltd.Iron Body Flang Silence Double Plate Swing Lift Ball Type Non Return Valve Check Valve
Guangdong Xiang an Xing Valve Technology Co., Ltd.Refrigeration Gas Brass and Copper Fittings Access Valve
Ningbo Domi Refrigeration Co., Ltd.