ZFV Wafer triple offset butterfly valve. The valve shown in photo is worm gear operated with carbon steel material. The seat sealing material can be all metal ring, can be laminated metal with graphite type, can elastic type. PTFE seat seal is one kind of elastic seat butterfly valve. This seat can be design and produce as zero leakage type and suitable for corrosive medium. It easy to produce and cost lower than all metal seated butterfly valve.

Products : Wafer ends triple offset butterfly valve

* Size : 14''(DN350)

* Pressure : 150LB

* Connection Type : Wafer ends

* Operation : Manual Gear Box with Handwheel

* Cv figure : 3780

* Face to face length : 92mm

* Valve Structure : Triple eccentric

* Seal Structure : Stainless steel plate with graphite

* Application : water pipeline

* Painting Color : Blue

* Painting Color RAL number : RAL9017

* Need Extended Stem : Available

* Suitable Temperature : -29°C ~ 300°C

* Suitale Pressure : PN<20Bar

* Suitable service : Water , Oil and gas

* Provide Matching Flanges and bolts : Availale

* Function : Shutoff

* Material : body material A216 WCB,

disc material A351 CF8,

seal laminated SS+graphite.

stem Alloy Steel

* Standard : Design and manufacture API 609

Face to face dimension API 609

End flanges dimension ANSI B16.5

Test & inspection as API 598

* Origin : Mainland China

* EN 10204-3.1 certificate shall be provided

ZFV Product features：

1.Without any friction between disc and sealing surface when opening or closing;

2.Can be installed in any position；

3.Zero leakage design;

4. Soft seat or metal seat is available as per customer request;

5. Unidirectional seal or Bidirectional seal is available as per customer request;

6.Spring loaded packing can be chosen;

7.Low emission packing can be chosen according to ISO 15848 requirement;

8.Stem extended design can be chosen;

9.Low temperature or ultra low temperature butterfly valve can be chosen as per customer request.

http://www.zfvcn.com/