China Butterfly Valve-Full Lining Rubber Double Offset Butterfly Valve

China Butterfly Valve-Full Lining Rubber Double Offset Butterfly Valve is widely used in pipelines of corrosive media such as metallurgy, electric power, petroleum, chemical industry, air, coal gas, combustible gas, and water supply and drainage.

China Butterfly Valve-Full Lining Rubber Double Offset Butterfly Valve Product Details

Nominal Diameter:        DN100–DN2000

Nominal Pressure:        10Bar/16Bar/150lb

Design Standard:          BS EN593/BS5155/API609/DIN3354

FTF Dimension:             ISO 5752 SERIES 13&14 /BS EN558 SERIES 13&14 /API609/DIN3202/ASME B16.10

Flange Connection:      ASME B16.1 Class125/ASME B16.5 CL150/ASME B16.47 CL150/AWWA C207/

                                        DIN 2501 PN10-16-25/EN1092 PN10-16-25

Inspection and Test:     EN12266-1/API 598/ISO5208

Material List:

1. Body

    Ductile Iron                    ASTM A536 60-40-18/ DIN1693 GGG40

    Carbon Steel                 ASTM A216 WCB

    Stainless Steel               ASTM A351 CF8/CF8M

2. Disc

    Ductile Iron                    ASTM A536 60-40-18/ DIN1693 GGG40

    Carbon Steel                 ASTM A216 WCB

    Stainless Steel              ASTM A351 CF8/CF8M

    Bronze AL-Bronze         ASTM B148 C954

    Body coating                 Lining hard rubberNR

    Disc coating                  Lining hard rubberNR

3. Stem

    Stainless Steel              ASTM A182 F53

    Alloy                              Monel K500

4. Seat                              SS304/SS316/Brass

5. Sealing Ring                 EPDM

6. Retaining Ring             SS304/SS316

7. Screw                           SS304/SS316

8. Packing                        NBR/EPDM/VITON/Flexible Graphite

9. Yoke                             Carbon Steel

10. Bushing                      PTFE/Bronze

11. Pin

      Stainless Steel           ASTM A182 316

      Alloy                           Monel K500

China Butterfly Valve-Full Lining Rubber Double Offset Butterfly Valve Structure and Feature

1. Bi-directional tightness.

2. Small in size and light in weight. Easy installation and maintenance. It can be mounted wherever needed.

3. Simple and compact construction, quick 90 degree on-off operation.

4. Minimized operating torque, energy saving.

5. Flow curve tending to straight line. Excellent regulation performance.

6. Long service life. Standing the test of tens of thousands opening/closing operations.

7. Bubbles-tight sealing with no leakage under the pressure test.

8. Wide selection of materials, applicable for various medium. 

China Butterfly Valve Manufacturer all the pictures in the article is original .If you want to copy it, please ark the derivation!