Dual-Lever Safety Valve

Dual-lever safety valve applications

GA44H type safety valve is apply-cable to the power-station boiler and pressure container (The working tem-premature is 450℃ or less.), Which will avoid the pressure rate beyond the al-rowed upper limit. The medium can be steam or air.

Dual-lever safety valve brief figure of structure

Dual-lever safety valve explanation of the materials for main parts

For the materials of main parts GA44H lever safety valve are just same as GA42H-16C/25/40 lever safety valve.

Single-lever safety valve dimensions (mm)

Type	Nominal Diameter DN (mm)	Dimension (mm)
		do-z	D	D1	D2	D6	f	f1	b	Z-￠d	L	H	Outlet Flanged					Outlet Socket
													DN’	D2’	D1’	D’	n-M	d1	K2	K3	D3
GA42H-16	50	40×1	165	125	100	/	3	/	16	4-18	840	412	125	175	200	235	8-M16	120	145	162	190
GA42H-25	50	40×1	165	125	100	/	3	/	20	4-18	840	412	125	175	200	235	8-M16	120	145	162	190
GA42H-40	50	40×1	165	125	100	88	3	4	20	4-18	840	412	125	175	200	235	8-M16	120	145	162	190
GA42H-64	50	40×1	175	135	105	88	3	4	26	4-23	840	420	125	175	200	235	8-M16	120	145	162	190
GA42H-100	50	40×1	195	145	112	88	3	4	28	4-25	840	420	125	175	200	235	8-M16	120	145	162	190

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Next: Middle Temperature And Pressure Impulse Safety Device

Catalog: Safety valves

Above: Single-Lever Safety Valve