ZFV LUG double offset butterfly valve
* Valve Size : 28''
* Pressure : Class 150
* Connection Type : Flange ends
* Operation : Manual gear box
* Torque : 17000/N.m
* Face to face length : 165mm
* Valve Structure : Double offset
* Need Extended Stem : No
* Application : Industrial application
* Painting Color : Gray
* Seal Structure : Laminated stainless steel + graphite
* Suitable Temperature : -29°C ~ 280°C
* Suitale Pressure : PN<2.0Mpa
* Suitable service : Water Usage
* Provide Matching Flanges and bolts : Availale
* Material : body material carbon steel A216 WCB, disc material stainless steel, seal material laminated SS+graphite.
* Standard : Design and manufacture API 609
Face to face dimension API 609
End flanges dimension ANSI B16.5
Test & inspection as API 598
* Supplying Mode : OEM production & ZFV
* EN 10204-3.1 certificate : Yes
ZFV butterfly valve can be operated by manual lever, manual handwheel with gear, pneumatic actuator, electric actuaor, hydrostatic actuator and so on.
A valve actuator is connected to valve top flange. if customer do not have their further requirement, multi-turn valve shall be produced according to standard ISO5210, part-turn valve according to standard ISO5211. Butterfly valve belong to part-turn valve.
ZFV provide valve with top flange standard ISO5210, 5211, which is international standard, world wide actuator manufacturers comply to these standard. customer may match actuator ( manmal , pneumatic , electric, hydraustic type ) according to to standard dimension. Just in case, it's better customer confirm top flange dimension or standard before purchase valve from ZFV.