Single-Lever Safety Valve

Model
GA42H/GA41H/A51H

Single-lever safety valve applications

GA42H type safety valve is applicable to the power-station boiler and pressure container (The working temperature is 450℃ or less.), Which will avoid the pressure rate belong the allowed upper limit. The medium can be steam or air.

Single-lever safety valve brief figure of structure

Single-lever safety valve materials for main partsTop of page

No.	Name of part	Materials
1	Body	Carbon steel
2	Guide sleeve	Stainless steel
3	Disc	2Cr13
4	Stem	2Cr13
5	Lever	Carbon steel
6	Hammer	Cast iron

Single-lever safety valve dimensions (mm)Top of page

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

Single-lever safety valve applicationsTop of page

GA41H, A51H type safety valve is applicable to the boiler and pressure contain-err (The working temperature is 450℃ or less.), Which will avoid the pressure rate beyond the allowed upper limit. The medic-um can be steam or air.

Single-lever safety valve explanation of the materials for main partsTop of page

GA41H, A51H type safety valve, except the lever (material is carbon steel), hammer (material is cast iron), the materials of other parts is the same as A41H-16C spring load type safety valve.

Single-lever safety valve dimension (mm)Top of page

Nominal Diameter DN (mm)	Dimension (mm)
	do	L	L1	D	K	g1	f	b	z-⊄d	DN´	D1	K1	g2	b1	f´	z-⊄d1
25	20	100	85	115	85	65	22	16	4-14	25	115	85	65	16	2	4-14
32	25	115	100	140	100	78	3	18	4-18	32	140	100	78	18	2	4-18
40	32	120	110	150	110	85	3	18	4-18	40	150	110	85	18	3	4-18
50	40	135	120	165	125	100	3	20	4-18	50	165	125	100	20	3	4-18
80	65	160	135	200	160	135	3	20	8-18	80	200	160	135	20	3	8-18
100	80	170	160	220	180	155	3	22	8-18	100	220	180	155	22	3	8-18
150	125	205	195	285	240	210	3	24	8-23	150	285	240	210	24	3	8-23
200	150	240	230	340	295	265	3	26	12-23	200	340	295	265	26	3	12-23

Single-lever safety valve ralated productsTop of page

• Spring Loaded Low Lift Type Safety Valve
• Closed Spring Loaded Low Lift Type-High Pressure Safety Valve
• Closed Spring Loaded Full Bore Type-High Pressure Safety Valve
• Corrugated-Duct Full-Open Type Safety Valve
• Spring Full-Open Type Safety Valve Sixth A Radiator
• Air Compressor Safety Valve
• Safety Overflow Valve
• Vacuum Negative-Pressure Safety Valve
• High Temperature And High-Pressure Safety Valve
• Special Full-Lift Safety Valve For Gas
• Safety Back-Flow Valve
• Twin spring type safety valve
• Inner Assemble Safety Valve
• Impulse Safety Valve
• Single-Lever Safety Valve
• Dual-Lever Safety Valve
• Middle Temperature And Pressure Impulse Safety Device
• Pilot Operated Safety Valve
• Micro-Open Type Safety Valve
• Spring Micro-Open Type Safety Valve
• A41C Type Pound-Grade Low Lift Spring Loaded Safety Valve
• WA41C blanced bellows spring loaded safety valve
• A42C Type Pound-Grade Low Lift Spring Loaded Safety Valve
• WA42C blanced bellows spring loaded safety valve
• A44C Type Pound-Grade Full Lift Spring Loaded Safety Valve
• WA44C blanced bellows spring loaded safety valve
• A48C Type Pound-Grade Full Lift Spring Loaded Safety Valve
• A48SC Type Pound-Grade Full Lift Spring Loaded Safety Valve
• TA、A Type Special Safety Valve Series For Oil Refining
• J Series Safety Valve With Jacket
• M、R、F Series Safety Valve Screwed/Flanged
• A46C Type Pilot-Operated Pressure Relief Valve

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