parameter list  of  ZAZN electrically regulating valve
Body and bonnet: HT200, ZG230-450, ZG1Cr18Ni9Ti
Valve core: ZG1Cr18Ni9Ti, company too lai alloy surfacing enhanced ptfe
Packing: teflon, flexible graphite
Push rod, bushings: 2Cr13
Gaskets: rubber asbestos board, 10, 1Cr18Ni9Ti asbestos spiral wound gasket
Bellows: 1Cr18Ni9Ti

 Connection standard

Flange standards: cast flanges according to GB4216-84, cast flanges according to GB9113-88
Flange seal face type: PN10, PN16 for convex
PN40, PN64 for bump surface, body is the concave
The structural length: GB12221-89
Clip set of insulation type clip set heat body interface: butt weld phi 18 x 4
Valve flange and flange face distance can according to user specified standard manufacture. E.g., ANSI, DIN, JIS standard.