Single-Lever Safety Valve (GA42H)

Model NO.: GA42H Structure: Lever Category: Safety Valve Size: Dn50 Medium: Steam or Air Usage: Overpressure Protection Safety Device Trademark: Goole, OEM Origin: Wenzhou, Zhejiang, China Pressure: Pn16-Pn100 Material: C.S Model No: Ga42h Connecting Type: Flange Medium Temperature: Below 450 Deg C Application: Boiler or Other Pressure Container Specification: CE, SGS, TUV HS Code: 8481400000 Lever Safety Valvecan be classified into Single-Lever Safety valve and Dual-Lever Safety Valve or called Double-Lever Safety Valve.
GA42H, and GA44H Type Safety Valve is applicable to the boiler and pressure container ( The working Temperature is 450 Deg C or Less.), which will avoid the pressure rate over seed the allowable upper limit. The medium of this Single-Lever Safety Valve can be steam or air.
GA41H, GAGA51H Type Safety Valve, except the lever  (Lever material is carbon steel), hammer(hammer material is cast iron), the materials of other parts is the same as GA41H-16C Spring loaded type safety valve.

GA42H Single Lever Safety Valve Material List

	Part name	Material
1	Nozzel	WCB
2	Disc	2Cr13
3	Hammer	Cast Iron
4	Body	WCB/WC6
5	Stem	2Cr13
6	Lever	WCB
7	Guide	SS

 
Lever Safety Valve Main Dimension.

PN(Mpa)	DN(mm)	Dimension
		do-z	L	H	Flanged Outlet					SW Outlet
					DN'	D2'	D1'	D'	n-M	d1	K2	K3	D3
1.6	50	40×1	840	412	125	175	200	235	8-M16	120	145	162	190
2.5	50	40×1	840	412	125	175	200	235	8-M16	120	145	162	190
4.0	50	40×1	840	412	125	175	200	235	8-M16	120	145	162	190
6.4	50	40×1	840	420	125	175	200	235	8-M16	120	145	162	190
10.0	50	40×1	840	420	125	175	200	235	8-M16	120	145	162	190

,GA42H Single Lever Safety Valve Structure

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