Name: China Cryogenic Gate Valve Manufacturers, Suppliers and Factory - Zhengmao Valve
Brand: Zhengmao
SKU: 292732930

Application of Standards

① Design and manufacturing comply with: API600, GB/T12234, and GB/T24925
② Inspection and testing shall comply with: API598, GB/T 13927, GB/T26480
③ Flange connections comply with ASME standards. B16.5,JB/T79,HG/T20592,GB/T9113
④ Welding end: ASME B16.25, GB/T12224
⑤ butt and socket welding: ASME B16.11, JB/T 7746
⑥ Structural length: ASME B16. 10, GB/T12221
⑦ Temperature rating: ASME B16.34, GB/T12224

Product specifications

① Main material: low-temperature carbon steel, stainless steel
② Nominal diameter: DN15 to DN1000
③ Pressure range: 1.0MPa~10.0MPa
④ Operating temperature: -196℃~+200℃
⑤ Drive modes: manual, bevel gear, electric, pneumatic, hydraulic
⑥ Application scope: It can be used in medicine, metallurgy, energy and other low temperature fluid pipeline as cutting or regulating and throttling.

Main Components Material

Order number	Part name	Material
		Material
		Stainless steel	Cast steel
1	Valve body	CF8	LCB
2	Flashbo- ard	CF8	LCB+STL
3	Valve stem	304	2Cr13
4	Middle flange gasket	PTFE	PTFE
5	Bonnet	CF8	LCB
6	Filling	PTFE	PTFE
7	Pin roll	304	35
8	Stuffing box gland	CF8	LCB
9	Dog bolt	A193 B8	A193 B7
10	Nut	A1948	A1942H
11	Valve-stem nut	Copper alloy	Copper alloy
12	Gland	35	35
13	Nut	35	35
14	Hand wheel	KTH330-08	KTH330-08
15	Bolt stud	A193 B8	A193 B7
16	Hex nut	A194 B8	A1942H

product-65-71

Normal Valvular ZHENGMAO VALVE

product-382-518

Low-Temperature Gate Valve

low temperature gate valve

product-788-389

Main connection dimension

PN1.6MPa

Size	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700
L/L1	mm	130	150	160	180	200	250	265	280	300	325	350	400	450	500	550	600	650	700	800	900
H	mm	175	180	210	210	350	358	373	435	500	614	674	818	1225	1415	1630	1780	2050	2181	2599	2845
W	mm	180	180	200	200	200	240	240	280	320	360	360	400	450	500	500	600	720	720	720	720

PN2.5MPa

Size	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700
L/L1	mm	130	150	160	180	200	250	265	280	300	325	350	400	450	500	550	600	650	700	800	900
H	mm	175	180	210	210	350	358	373	435	500	614	674	818	1225	1415	1630	1780	2050	2181	2599	2845
W	mm	180	180	200	200	200	240	240	280	320	360	360	400	450	500	500	600	720	720	720	720

PN4.0MPa

Size	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500
L/L1	mm	130	150	160	180	200	250	280	310	350	400	450	550	650	750	850	950	1050	1150
H	mm	175	180	210	210	350	386	430	498	558	650	720	1086	1298	1530	1750	1900	2100	2250
W	mm	180	180	200	200	200	240	240	280	320	360	360	450	560	560	500	600	720	720

PN6.4MPa

Size	DN	15	20	25	32	40	50	65	80	100	125	150	200	250	300	350	400
L/L1	mm	170	190	210	230	240	250	280	310	350	400	450	550	650	750	850	950
H	mm	175	180	210	210	350	358	373	435	500	614	674	818	1225	1415	1630	1780
W	mm	120	120	140	160	200	240	280	320	360	400	400	450	560	640	800	800