Z Series Self-operated Valve

Z series self-operated valve without external energy, the energy of the medium itself was transferred as a power source. Automatic control valve medium flow rate , the pressure stabilizing device of pressure valve to maintain constant.Widely used in the cnotinuous gas natural gas production and transportation, city gas, metallurgy, petroleum, chemical and other industrial sectors.

Product Description

Z series self-operated valve without external energy, the energy of the medium itself was transferred as a power source. Automatic control valve medium flow rate , the pressure stabilizing device of pressure valve to maintain constant.Widely used in the cnotinuous gas natural gas production and transportation, city gas, metallurgy, petroleum, chemical and other industrial sectors.

TECHNICAL PARAMETERS

Nominal SizeDN15 ~ DN300
Pressure RatingPN16/25/40; CL150(PN20)/300(PN50)
Operateing Temperature-29℃~ +538℃
CharacteristicsQuickly open
Rangeability30:1
Seat Leakage ClassANSI B16.104: IV、V、VI
Body MaterialWCB/WCC/LCB/LCC;WC6/WC9;CF8/CF8M;4A/5A etc.
Trim Material630/316/316+ST/316nitriding/316+Ni60/316+WC etc.
Seal MaterialPTFE+ graphite v-shaped packing, flexible graphite ring packing, graphite +PTFE braided packing etc.