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Large diameter metal seal butterfly valve
Model: D343H / Y
Nominal diameter: DN50 ~ 2000mm
Nominal: PN0.6 ~ 4.0MPa
Temperature: -40 ℃ ~ 570 ℃
Suitable medium: water, oil, steam, gas, acid, alkali and other
Manufacturing standards: GB / T 122387-89
Flange standard: GB9113-2000, GB17241.6-1998
Construction length standard: GB12221-89
Test standard: GB / T 13927-92
Product details

First, large diameter metal seal butterfly valve Description: 
 D343H, D343Y, D341H PN6 ~ PN40 multi-level hard-seal butterfly valve installed in the petroleum, chemical, food, medicine, textile, paper, water and electricity, ships, water supply and drainage, smelting and other systems , In all water, gas, oil, semi-fluid and solid powder pipelines and containers used as regulation and closure, can be installed in any horizontal or vertical pipelines. D343H Turbine metal hard sealing butterfly valve than the soft rubber sealing butterfly valve to help long life, the valve is usually carbon steel or stainless steel.

Second, large diameter metal seal butterfly valve main performance parameters:

Nominal diameter DN 50 ~ 2000mm
Nominal pressure 0.6MPa 1.0MPa 1.6MPa 2.5MPa 4.0MPa
Test pressure PsMPa Strength test 0.9 1.5 2.4 3.75 6.0
Seal test 0.66 1.1 1.76 2.75 4.4
Gas seal test 0.5 ~ 0.8 MPa
Suitable media Water, oil, steam, gas, acid, alkali and so on
proper temperature -40 ℃ ~ 570 ℃


Third, large diameter metal seal butterfly valve main shape and connection dimensions:

D343H-10C, D343Y-10C, D341H-10C Worm Flanged Hard Sealing Butterfly Valve Connection Size:

 D343H-16C, D343Y-16C, D341H-16C Worm Flanged Hard Sealing Butterfly Valve Connection Size:

2.5Mpa pressure models are: D343H-25C, D343Y-25C, D341H-25C; 4.0Mpa pressure models are: D343H-40C, D343Y-40C, D341H-40C


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