Big Size Flange Triple Offset Butterfly Valve

Big Size Flange Triple Offset Butterfly Valve

ZFV big size flange triple offset butterfly valve. The valve shown in photo is 40inch ( DN1000 ) pressure rate class 150LB, material carbon steel with gear operator. It’s available that both bi-directional butterfly valve and uni-directional butterfly vlave. Is customer do not have special...

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Product Details

ZFV big size flange triple offset butterfly valve. The valve shown in photo is 40inch ( DN1000 ) pressure rate class 150LB, material carbon steel with gear operator. It’s available that both bi-directional butterfly valve and uni-directional butterfly vlave. Is customer do not have special reqirement about the direction , we suggest uni-directional valve for lower cost. The seal of uni-directional valve fixed with a bolt oval distribution , not only accurate positioning, but also make each bolt bear balanced force, avoid any sealing seat loose and leakage cause by the uneven distribution of stress .

 

Products : Big size flange triple offset butterfly valve.

* Size : 40Inch ( DN1000)

* Pressure : ANSI B16.5 150LB

* Connection Type : Double Flange type 

* Operation : Gear box reducer with handwheel 

* Torque : 48000/N.m

* Face to face length : 410mm

* Valve Structure : Triple eccentric / offset 

* Seal Structure : SS + Graphite layer 

* Application : Power plants , Chemical-industry 

* Painting Color : Silver 

* Painting Color RAL number : RAL7001

* Suitable Temperature : -29°C ~ 250°C

* Suitale Pressure : Not higher than 150LB

* Provide Matching Flanges and bolts : Availale 

* Material : body CS A216 WCB painted, 

                   disc CS A216 WCB, 

                   seal SS304+gra.,

                   stem A276 410

* Standard : Design and manufacture API 609

                    Face to face dimension API 609

                    End flanges dimension ANSI B16.47 A&B series 

                    Test & inspection as API 598

* Origin : Mainland, China 

* EN 10204-3.1 certificate : Yes

 

ZFV have facilities to produce large diameter butterfly valve. It include lathes for valve 1000mm, 1250mm vertical lathes, and certical lathes for DN2000 butterfly valve. It includes boring machine and milling machina, large diameter drilling machine. It also have hydrostatic testing machine for butterfly valve DN2000. The butterfly valve ZFV can produce from DN50 to DN2000. Pressure rate from 0.01 Mpa to 10Mpa ( pressure ANSI 600LB )


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