Double Flange Butterfly Valve

Double Flange Butterfly Valve

ZFV double flange butterfly valve. ZFV provide various of standard valve to meet requirement of different customers over the world, include : API609/ANSI/ASTM standard, AWWA/AWWA C207 standard, EN593/DIN/BS standard, ISO standard, JIS/JIS B2220 standard, GOST/ GOST 54432 standard, etc,.

Product Details

ZFV double flange butterfly valve. ZFV provide various of standard valve to meet requirement of different customers over the world, include : API609/ANSI/ASTM standard, AWWA/AWWA C207 standard, EN593/DIN/BS standard, ISO standard, JIS/JIS B2220 standard, GOST/ GOST 54432 standard, etc,.


Products features :

* Size : DN300

* Pressure : PN16

* Connection Type : Flange ends Valve

* Torque : 2200/N.m

* Operation : Manual gear box with handwhel

* Cv figure in Full Open Position : 3520

* Face to face length : 178mm

* Valve Structure : three eccentric / triple offset

* Seal Structure : stainless steel + graphite layer

* Application : Chemical application

* Material Heat Treatment : Solution treatment.

* Need Extended Stem : No

* Suitable Temperature : -29°C ~ 200°C

* Suitale Pressure : PN<16Bar

* Suitable service : W.O.G. Acid. Corrosive service .

* Provide Matching Flanges and bolts : Availale

* Function : Shutoff & regulation

* Material : body material austenite A351 CF8, disc A351 CF8, seal SS316 + graphite, stem A182 F304

* Standard : Design and manufacture BS EN593

Face to face dimension BS EN558

End flanges dimension BS EN1092-1

Test & inspection as BS EN12266-1

* Origin : Wenzhou , China.

* Supplying Mode : OEM production & ZFV brand .

* EN 10204-3.1 certificate shall be provided along with valves.


ZFV main parts of standard structure triple offset butterfly valve include :

Body, Cover, Gasket, Stem, Sleeve, Disc, sealing ring, retainer, Packing ,Yoke, bolt, nut, Actuator.

ZFV standard triple offset butterfly valve section photo:


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