China Check Valve-Double Plate Rubber Check Valve

China Check Valve-Double Plate Rubber Check Valve Application：

Used in pure piping and industrial, environmental protection, water treatment, and high-rise building water supply and drainage pipelines to prevent the medium from flowing backwards.

China Check Valve Manufacturer-Double Plate Rubber Check Valve Product Details:

Nominal Diameter: 2" to20"

Nominal Pressure:PN10-16/Class 150

Design Standard:  BS5153                                                            FTF Dimension：EN558/DIN3202

Flange Connection: ASME B16.5 CL150/EN1092 PN10-16

Inspection and Test: API598/ EN12266

Material List：

NoItem              Material                                  Symbol

1Body      Stainless Steel               ASTM A351 CF8/CF8M

              Cast Iron                       GG25

              Ductile Iron               GGG40/GGG50

              Bronze                       C95400

              WCB                                 ASTM A216 WCB

2Disc              Stainless Steel               ASTM A351 CF8/CF8M

              Cast Iron                       GG25

              Ductile Iron               GGG40/GGG50

              Bronze                       C95400

              WCB                               ASTM A216 WCB

3Shaft      Stainless Steel               ASTM A276 304/316

              Stainless Steel               2Cr13

              Bronze                      C95400

              Carbon Steel               45 #  chrome plated

4Spring      Stainless Steel               304/316/304L/420

5Washer      PTFE/STEEL               PTFE/STEEL

6Seat              EPDM/NBR/VITON       EPDM/NBR/VITON

7Gasket      PTFE/STEEL               PTFE/STEEL

Structure and Feature

1.    OEM Factory : Professional manufacturer, clients from whole world.

2.    High Quality, Competitive Price: Custom is accepted.

3.    Complete Service: Long service Life, Fast delivery, Multilingual services.

4.    Certificates: ISO9001, CE, NSF, TS, WRAS.

5.    Low MOQ: Ready for providing the sample and producing some small orders  

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