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Zhejiang Zhengfeng Valve Co.,Ltd
Tel: 86-577-67388156
Fax: 86-577-67318585
Contact person: DAVID
Add: Hengtong Road, Wuxing Industrial Park, Wenzhou, Zhejiang, China. 325105

DIN Butterfly Valve

DIN Butterfly Valve

ZFV DIN butterfly valve. Beside API standard butterfly valve, ZFV can also provide DIN standard butterfly valve.

Product Details

ZFV DIN butterfly valve. Beside API standard butterfly valve, ZFV can also provide DIN standard butterfly valve. Valve material is also very important, if the material is failure and not proper, will cause the shell and sealing surface leakage ; parts of the comprehensive mechanical properties, strength and steel can not meet the requirements of use or even fracture.

* Size : DN200,DN100,DN80

* Pressure Rate: PN16

* Connection Type : Wafer ends

* Operation : Gear box with handwheel

* Face to face length : DN200:71mm; DN100:56mm; DN80:49mm.

* Valve Structure : Triple offset

* Seal Structure : Laminated stainless steel + graphite

* Application : Industrial

* Need Extended Stem : No

* Suitable Temperature : -196°C ~ 200°C

* Suitale Pressure : PN<1.6Mpa

* Provide Matching Flanges and bolts : Availale

* Function : Shutoff

* Material : body material ASTM A351 CF8M

disc material ASTM A351 CF8M

seal material laminated SS316+graphite.

stem material A182 F316

* Standard : Design and manufacture DIN EN593

* Origin : China Mainland.

* EN 10204-3.1 certificate provided

ZFV triple offset butterfly valve products features :

1. Top flange/Yoke produced according to ISO5211, which is convenient for customer to install worm gear box, electric & pneumatic actuator. ZFV also produce top flange according to customer´s requirement.

2. Upper stem blowout proof design

3. Low leakage packing, use advanced wire braided graphite packing material as top and bottom layer packing, the low leakage packing material is in middle layer, which assure that Max. Leakage rate 20PPM in emision testing.

4.Multilayer sealing pairs design: sealng pairs is laminated with graphite and stainless steel plate, this elastic deformation of the sealing ring ensure reallization of the zero leakage, the sealing ring is replaceable ensure easy mainternance .

5.Valve seat hardfaced alloy: entire weld overlay hardfaced seat extend valve using life and reduce mainternance times and costs.

6.Bottom stem blowout proof design.

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