Product Description

AX742X diaphragm safety pressure relief/pressure sustaining valve is installed on the pipelines of high-rise buildings, fire water supply systems and other water supply systems. When the pressure in the water supply pipeline exceeds the set pressure of the pressure relief valve, the pressure relief valve automatically opens and quickly releases the pressure. , protect the safety of the pipeline, and can also be used as a pressure sustaining valve to ensure the water supply pressure upstream of the main valve. It can accurately maintain the constant safety set pressure. Once the pressure is exceeded, the pressure relief valve will be opened quickly and the pressure will be released in time. Smooth and reliable closing, eliminating pressure aftermath.

The Main Technical Parameters

PNMpa	Shell test pressureMpa	Seal test pressureMpa	Voltage regulation rangeMpa	Applicable media	Proper temperature℃
1.0	1.5	1.1	0-1.0	Water	0~80
1.6	2.4	1.76	0-1.6
2.5	3.75	2.75	0-2.5

Main External Connection Dimensions

DN	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700	800	900	1000
L	203	216	250	320	365	415	500	605	698	787	914	978	978	1150	1300	1450	1650	1800
H	300	337	467	520	580	640	778	889	1010	1037	1264	1294	1324	1600	1750	1900	2100	2400