Eccentric Butterfly Valve Application In Industry

Nominal Diameter:            DN50–DN1200

Nominal Pressure:           10Bar/16Bar/150lb

Design Standard:             BS EN593/BS5155/API609/DIN3354

FTF Dimension:                ISO 5752/BS EN558/API609/ASME B16.10/DIN3202

Flange Connection:         ASME B16.5 /DIN 2501 /EN1092 

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

3. Stem

    Stainless Steel                  ASTM A182 304/316/410

    Alloy                                  Monel K500

4. Seat

    Stainless Steel                  ASTM A182 304/316/410

5. Sealing Ring                     PTFE

6. Retaining Ring                  Carbon Steel/SS304/SS316

7. Screw                                SS201/SS304/SS316

8. Packing                             NBR/EPDM/VITON/Flexible Graphite

9. Yoke                                  Carbon Steel

10. Bushing                           PTFE/Bronze

11. Pin

      Stainless Steel                 ASTM A182 304/316/410

      Alloy                                 Monel K500

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.