Model &Name: ZHA BT, ZSA BT Series Pneumatic Diaphragm Control Valves

Characteristics：No packing, no external leakage,antitoxin, fireproof, explosion-proof, safe and reliable, tight 

closure(Leakage Level: Class VI), especially suitable for the regulation and shutoffcontrol for toxic, harmful, 

strong acid, strong alkali, high viscosity,fiber-containing, particle-containing mediums;Differentaccessories 

available for different control functions.

NominalDiameter (DN):15~250mm

NominalPressure (PN):1.0MPa

Spring Range(kPa):40~200, 80~240 kpa

OperationTemperature (℃): Diaphragm: F46: -20~+150; Fluororubber: -20~+200;Polychloroprene: 0~+65.

Material:ZG230-450 Liner F46, ZG1Cr18Ni9; Diaphragm: F46, Fluororubber.

Flange Standards: JB/T79-94