Product Type: ZJHN
ZJHN fine small pneumatic diaphragm-type seat control valve, the valve body has two seats, the fluid flowing through the upper and lower valve sealing surface, the unbalanced force is small, is a balanced structure that allows the use of larger pressure for big pressure, flow, leakage requirements are not stringent requirement, widely used in petroleum, chemical, pharmaceutical, metallurgy, power plants, and other industrial sectors, control gas, liquid, steam and other media.
Body type: through engine casting ball valves
Nominal Diameter: 25 ~ 300mm
PN: PN1.6 4.0 6.4MPa
Connection: Flanged press JB78-59 JB79-59
Material: HT200 ZG230-450 ZG1Cr18Ni9Ti ZG0Cr18Ni12Mo2Ti
Normal temperature type: -20 ℃ ~ + 200 ℃
Radiator type: -40 ℃ ~ + 450 ℃
Gland form: Bolt Clamp
Packing: V-type PTFE packing, flexible graphite, stainless steel bellows.