Z61H/Y forged steel gate valveDetailed product description：

Z61H/Y forged steel gate valve reference standard:
The design of gate valves is in accordance with API602, BS5352, and ASME B16.34. Inspection and testing shall be carried out in accordance with API598, and marking shall be carried out in accordance with MSS-SP-25

Structural characteristics of Z61H/Y forged steel gate valve:
There are three types of valve cover designs for forged steel gate valves. The first type is bolt type valve cover, which is designed in this way. The valve body and valve cover are connected by bolts and nuts, and sealed with wrapped gaskets (made of 316 clip flexible graphite). When customers have special requirements, metal rings can also be used for connection. The second design form is a welded valve cover. According to this design form, the valve body and valve cover are connected by threads and fully welded sealed. When customers have special requirements, full penetration welding can also be used. The third type is the pressure self tightening valve cover. Valves designed in this form have a threaded connection between the valve body and the valve cover, and are sealed with an internal pressure self sealing ring.

Material Description of Main Components:

Serial number	Part Name	CS to ASTM	AS to ASTM	SS to ASTM
		Type A105N	Type F22	Type F304(L)	Type F316(L)
one	valve body	A105N	A182 F22	A182 F304(L)	A182 F316(L)
two	valve seat	A276 420	A276 304	A276 304(L)	A276 316(L)
three	ram	A182 F430/F410	A182 F304	A182 F304(L)	A182 F316(L)
four	valve stem	A182 F6a	A182 F22	A182 F304(L)	A182 F316(L)
five	Gasket	316 clip flexible graphite		316 clip PTFE
six	valve cover	A105N	A182 F22	A182 F304(L)	A182 F316(L)
seven	Valve cover bolt	A193 B7	A193 B16	A193 B8	A193 B8M
eight	cylindrical pin	A276 420		A182 F304
nine	packing gland	A276 410		A182 F304(L)	A182 F316(L)
ten	swivel bolt	A193 B7	A193 B16	A193 B8	A193 B8M
eleven	packing gland	A105	A182 F11	A182 F304(L)	A182 F316(L)
twelve	nut	A194 2H	A194 4	A194 8	A194 8M
thirteen	stem nut	A276 420
fourteen	lock nut	A194 2H	A194 4	A194 8	A194 8M
fifteen	Nameplate	SS
sixteen	handwheel	A197
seventeen	Lubricating gasket	A473 431
eighteen	filler	flexible graphite		PTFE
Applicable Medium		Water, steam, oil products, etc	Water, steam, oil, etc	Nitric acid, acetic acid, etc
Applicable temperature		-29°C～425°C	-29°C～550°C	-29°C～200°C

Note: Other materials required by the customer can also be used. The matching of sealing surface materials is determined by the internal part code specified by the customer.
CS=Carbon Steel; AS=alloy steel; SS=stainless steel;

Main external dimensions of Z61H/Y forged steel gate valve:

NPS		1/2″	3/4″	1″	11/4″	11/2″	2″
L	900-150Lb	one hundred and forty	one hundred and forty	one hundred and forty	one hundred and seventy-eight	one hundred and seventy-eight	two hundred and sixteen
	2500Lb	one hundred and eighty-six	one hundred and eighty-six	one hundred and eighty-six	two hundred and thirty-two	two hundred and thirty-two	two hundred and seventy-nine
H (on)		three hundred and twenty-one	three hundred and twenty-one	three hundred and twenty-one	three hundred and eighty	four hundred and fourteen	five hundred and two
W		one hundred and sixty	one hundred and sixty	one hundred and eighty	two hundred	two hundred and fifty	two hundred and eighty
Weight	900Lb-1500Lb	eleven point five	ten point eight	ten point five	nineteen point six	twenty-one	fifty-five point four
	2500Lb	twelve point three	eleven point six	ten point eight	twenty-six	twenty-eight point four	sixty