standard design
various standards of valve can be provided to clients:din,3a,sms,iso,bs/rjt,asme/bpe etc.
the parts of valve usually include:two piece body of valve ,disc,gasket of valve disc,gasket , and the entire valve is assemble together with bolts and nuts.3 piece butterfly valve also include two flanges and two gasket of flange.
the series of actuator:1.stainless steel pnematic actuators specification:φ85，φ108，andφ133;
2.aluminum pnematic actuators ,specification :zt050d,zt075d,zt088d,zt100d,zt115,
3.electric actuators,specification:hl-05,hl-10,hl-20
