RTZ-FQ Series Gas Pressure Regulator

2 Brief
It is suitable for kinds of city gas transmission and distribution system for pressure regulation and stabilization, and it is used to regulate pressure for residential quarters’ users, small-size public welfare users and gas boiler etc. and it can be refitted into wall-mounted pressure regulator box or floor-type pressure regulator cabinet.
Features
Stable performance, good adaptability, automatically shut off for limiting pressure.

2 Technical Parameters
Inlet pressure range: P1 0.02～0.4MPa
Outlet pressure range: P2 1～30KPa (adjustable)
Pressure precision: δP≤±15%
Closing pressure: ≤1.25P2
MAX. Flow: Q=860Nm3/h
Caliber: DN40, DN50, DN80 (Flange PN1.6)

RTZ-FQ Structure and Dimension

Specification	A(mm)	Caliber DN(mm)	Flange standard
RTZ-31(21)/40FQ	222	40	GB4216.4-84
RTZ-31(21)/50FQ	254	50
RTZ-31(21)/80FQ	298	80

Flow Characteristics of RTZ-FQ Series Direct-burning Regulator (Nm3/h)

Specification	Diameter	Outlet pressure(KPa)	Inlet pressure(MPa)
Specification	Diameter	Outlet pressure(KPa)	0.03	0.05	0.1	0.15	0.2	0.3	0.4
RTZ-31(21)/40FQ	40	3	49	68	93	135	162	209	310
RTZ-31(21)/50FQ	50	3	60	80	110	151	182	243	400
RTZ-31(21)/80FQ	80	3	105	160	230	360	480	620	860
RTZ-32(21)/40FQ	40	10	47	66	90	133	162	209	310
RTZ-32(21)/50FQ	50	10	55	72	100	151	182	243	400
RTZ-32(21)/80FQ	80	10	102	153	217	320	480	620	860

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