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2 Application
RTZ-※/0.4FQ(F) Series direct-action mode pressure regulator for gas is suitable for civilian used houses as well as middle and small-size public service users. It is applicable for natural gas, artificial coal gas and liquefied petroleum gas（LPG）.
It accords with the standard CJ274-2008 “City Gas Pressure Regulators”.

2 Main Technical Parameter
Inlet Pressure Rank(P1): 0.05～0.4MPa
Outlet Pressure Rank(P2): 1～5kPa
Pressure Precision Grade: AC5
Shut Off Pressure Grade: SG10
Working Temperature(t): -20～60℃
Caliber: DN25,DN40

2 Features
◆ Limiting pressure shut off valves installed inside（Type F installed with no shut off valves）
◆ Self-force Gas-driven Control
◆ Cut off Precision Grade: ≤±5%
◆ Reaction Time: ≤1s
◆ Manual Reset
◆ Safety bleeding valve installed inside (liquefied petroleum gas not included)

2 (PS: The figures showed in the chart are the flows when the Natural gas relative density reached 0.6 under the standard statement. Other gas flow should be multiplied by their conversion coefficient: Propane: 0.63, Butane: 0.55, Gas: 0.78 Nitrogen: 0.79)