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Triple Offeset Wafer Type Metal Seal Butterfly Valve

Triple Offeset Wafer Type Metal Seal Butterfly Valve

The butterfly valve can be operated automatically through actuator or manually with the handle. The handle blocks the valve in the "open" or "closed" position, certainly there are the other position available. The actuator push piston of axial movement into 90 degree so that it controls butterfly valve.
Product Details

Triple Offeset Wafer Type Metal Seal Butterfly Valve

Zhejiang-Naibang-Valve-Co-Ltd- (1)

Product Description

1) Design and manufacture standards:
A) Wafer and lug: API 609, DIN3354
B) Flange and weld: BS5155 / EN598

2) Inspection and test standards:
API 598, DIN3230, BS5146

3) F-to-F:
A) Wafer and lug: API609, DIN3202 K2
B) Flange: ISO 5752

4) End flange dimension:
ASME B16.5 (for NPS<24"), ASME B16.47 series B,
API605, ASME B16.47 series A, MSS SP-44 (for NPS>24"), or BSEN 1092

5) Top flange: ISO5211

6) Connecting: Wafer, Lug, Flange, Weld

7) Size: 1-1/2" - 40", DN40 - DN1000

8) Pressure: Class125 - Class300, PN6 - PN40

9) Temperature: -20° C - 200° C

10) Body: Cast iron / ductile iron / WCB / 304 / 316

11) Disc: Ductile iron / WCB / 304 / 316 / CF8 / CF8M

12) Stem: 13%Cr / 316 / 304 / SS17-4pH


Wafer or Lug Style

Cast Carbon, Stainless or Alloy Steel

Other sizes and classes available on request

Design Features

Upper and Lower Bearings to maximize valve life

Integral ISO mounting pad for easy valve operation no bracket needed

Each valve is shell and seat pressure tested per industry standard API 598

Available in Wafer and Lug styles

Seat Materials: Multiple seat materials available.

High Temperature                 
Zero Leak
Low Torque

Body Materials:WCB+Stainless Steel
Disc Materials:WCB+Stainless Steel
Stem Materials:WCB+Stainless Steel
Seat Materials:WCB+Stainless Steel
Design specifications:API609
Applications:High Pressure, High Temperature, Critical Service

Municipal Engineering
Circulating water system
Water treatment system   
Fire extinguisher system


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