Full Lining Rubber Double Offset Butterfly Valve DIN3354

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

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.