GB Trunnion -Mounted Ball Valve

Application of Standards

① Design and Manufacturing: Cast Steel Ball Valve in Accordance with GB/T12237 and GB/T12224
② Acceptance and Inspection: GB/T 13927, GB/T26480
③ Flange connection dimensions: JB/T79, HG/T20592, GB/T9113
④ Welded end: GB/T12224
⑤ butt and socket welding end: JB/T 7746
⑥ Structure length: GB/T12221
⑦ Temperature and pressure rating: GB/T12224
⑧ Fire safety: JB/T6899

Product specifications

① Main material: carbon steel, stainless steel, alloy steel
② Nominal diameter: DN40 to DN900
③ Pressure range: 1.0MPa~16.0MPa
④ Operating temperature: -29℃~+450℃
⑤ Drive modes: manual, worm gear, electric, pneumatic, hydraulic
⑥ Application scope: Suitable for water supply, sewage treatment, construction, food processing, and power generation.
It is used for cutting, regulating and throttling in fluid pipelines of medicine, metallurgy, light textile, energy and so on.

Main Components Material

Order No.	Part name	Material
Order No.	Part name	Stainless steel	Cast steel
1	Bonnet	CF8	WCB
2	Bolt	A193 B8	A193 B7
3	Nut	A1948	A1942H
4	Valve seat	304	A105
5	O molding ring	NBR	NBR
6	Gasket ring	PTFE	PTFE
7	Pad	PTFE	PTFE
8	Pad	PTFE	PTFE
9	Rear co- ver	304	A105
10	Nut bolt	A193 B8	A193 B7
11	Lower valve stem	304	2Cr13
12	Spherome	304	2Cr13
13	Valve body	CF8	WCB
14	Flat key	304	2Cr13
15	Valve stem	304	2Cr13
16	Loam cake	CF8	WCB
17	Pad	PTFE	PTFE
18	Nut bolt	A193 B8	35CrMoA
19	Filling	PTFE	PTFE
20	Stuffing box gland	CF8	WCB
21	Bolt	A193 B8	A193 B7
22	Support	WCB	WCB
23	Turbine	Groupware	Groupware
24	Nut bolt	35CrMoA	A193 B7

Q347F

Q647F

Q947F

Key size measurements

PN1.6MPa

DN		25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700
d1		25	32	40	50	65	80	100	125	150	200	250	300	337	387	438	489	591	686
L		140	165	165	203	222	241	305	356	394	457	533	610	686	762	864	914	1067	1245
H		50	55	80	102	114	127	152	184	219	273	360	395	430	470	550	580	700	800
Hand movement	H1	75	85	95	107	125	152	178	300	330	398	495	580	625	670	698	840	1050	1100
	E	-	-	-	-	-	-	-	-	-	116	116	171	171	257	257	257	150	83
	F	-	-	-	-	-	-	-	-	-	350	350	400	420	400	420	400	410	650
	W	160	160	230	230	400	400	650	1050	1050	600	600	800	800	800	800	800	800	800
Motor-driven	H2	-	-	-	-	-	-	-	-	554	600	652	760	770	830	-	940	940	1115
Motor-driven	L1	-	-	-	-	-	-	-	-	235	235	235	259	400	400	-	410	410	410
Pneumatic	H3	215	240	264	274	379	389	479	552	666	736	926	1059	1127	1393	1468	1538	1538	1450
	L2	200	270	270	270	405	405	576	576	776	776	776	1060	1060	1360	1360	1360	1360	2840

PN2.5MPa

DN		25	32	40	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700
d1		25	32	40	50	65	80	100	125	150	200	250	300	337	387	438	489	591	636
L		165	180	190	216	241	283	305	381	403	502	568	648	762	838	914	991	1143	1346
H		50	55	80	102	114	127	152	184	219	273	360	395	430	470	550	580	700	800
Hand movement	H1	75	85	95	107	125	152	178	300	330	398	495	580	625	670	698	840	1050	1100
	E	-	-	-	-	-	-	-	-	-	116	116	171	171	257	257	257	150	83
	F	-	-	-	-	-	-	-	-	-	350	350	420	420	400	400	400	410	650
	W	160	160	230	230	400	400	650	1050	1050	600	600	800	800	800	800	800	800	800
Motor-driven	H2	-	-	-	-	-	-	-	-	235	235	400	400	410	410	-	420	690	690
Motor-driven	L1	-	-	-	-	-	-	-	-	74	350	350	420	420	400	-	400	410	650
Pneumatic	H3	215	240	264	340	379	452	479	646	666	814	1002	1059	1150	1205	1250	1295	1390	1470
	L2	200	270	270	405	405	574	574	756	756	1060	1060	1060	1360	1360	2840	2840	3300	3300