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GB globe valve

Qiaofa Machinery Manufacturing Co., Ltd., as an industry-leading steam system solutions expert, is committed to providing customers with premium GB globe valve products and professional services. With mature production processes and a comprehensive technical support system, we offer precise product selection recommendations and customized solutions tailored to actual operating conditions.

We adhere to customer-oriented principles and drive innovation through technology, providing comprehensive services from product selection to technical consultation, helping enterprises enhance steam system efficiency and create greater value.

Detailed Introduction

Structural advantages and characteristics

1、The product designed and manufactured according to national standard GB 12235,reasonable structure,reliable sealing,excellent performance and beautiful shape.

2、Flap valve,the valve seat sealing surface of iron based alloy or stellite (stellite)made of cobalt-based alloy welding,wear-resistant,high temperature, corrosion,anti-abrasion performance,long life.

3、Stem quenched and the nitrogen treatment,with good resistance to corrosion and scratch resistance.

4、Can be used with a variety of standard pipe flanges and flange sealing surface types to meet various project needs and user requirements.

5、Body material variety,packing,gasket can be based on actual working conditions or the user requests a reasonable option,can be applied with all kinds of pressure,temperature and medium conditions.

6、Sealed with screw connection seal back seat or body made of stainless steel welding,sealing and reliable replacement of filling in non-stop convenient and efficient manner does not affect system operation.

Standards and norms

设计与制造
Design and Manufacture

结构长度Structure Length

压力、温度等级Pressure、

temperature rating

连接法兰
Connecting flange

检验与试验
Test and Inspection

GB 12235

GB 12221

GB 12224

JB/T 79/82~1994
GB9113
HG 20592-20635

JB/T 9092-1999 GB13927

主要零件材料Main components material

名称Name	材料Material
阀体/阀盖Body/Bonnet	CF8	CF3	CF8M	CF3M	WCB	LCB	WC6	WC9	C5
阀瓣Wedge	CF8	CF3	CF8M	CF3M	WCB	LCB	WC6	WC9	C5
阀杆Stem	F304	F304L	F316	F316L	2CR13	F304	F304	F304	F304
阀杆螺母Stem Nut	铝青铜Aluminium Bronze
填料Packing	PTFE/柔性石墨				石墨Graphite
垫片Gasket	PTFE/金属缠绕垫				石墨Graphite
压盖Gland	CF8	CF3	CF8M	CF3M	WCB	LCB	WC6	WC9	C5
螺栓Bolt					35CrMoA
螺母Nut	不锈钢Stainless Steel				45、35CrMoA
手轮Handwheel	不锈钢Stainless Steel 铸钢Cast Steel

Main external and connection dimension JB/T79.1-1994

JB/T79.2-1994

公称压力 PN(MPa)	公称通径 DN(mm)	尺寸Size(mm)										重量 Weight(Kg)
公称压力 PN(MPa)	公称通径 DN(mm)	L	D	D1	D2	D6	b-f	f2	Z-Φd	H	D0	重量 Weight(Kg)
1.6	10	130	90	60	40	/	14-2	/	4-14	198	120	4.7
	15	130	95	65	45	/	14-2	/	4-14	218	120	5.2
	20	150	105	75	55	/	14-2	/	4-14	230	140	7.1
	25	160	115	85	65	/	14-2	/	4-14	240	160	7.4
	32	180	135	100	78	/	16-2	/	4-18	250	180	8.5
	40	200	145	110	85	/	16-3	/	4-18	262	200	12.5
	50	230	160	125	100	/	16-3	/	4-18	280	240	19.2
	65	290	180	145	120	/	18-3	/	4-18	327	280	26.5
	80	310	195	160	135	/	20-3	/	8-18	355	280	29
	100	350	215	180	155	/	20-3	/	8-18	415	320	41
	125	400	245	210	185	/	22-3	/	8-18	460	360	57
	150	480	280	240	210	/	24-3	/	8-23	510	400	86.5
	200	600	335	295	265	/	26-3	/	12-23	588	400	140
	250	650	405	355	320	/	30-3	/	12-25	725	450	220
	300	750	460	410	375	/	30-4	/	12-25	925	500	325
	350	850	520	470	435	/	34-4	/	16-25	1030	600	590
	400	950	580	525	485	/	36-4	/	16-30	1170	700	750
	450	1050	640	585	545	/	40-4	/	20-30	1220	800	89
	500	1150	705	650	608	/	44-4	/	20-34	1410	900	1225
	600	1350	840	770	718	/	48-5	/	20-41	1610	1000	2200
2.5	10	130	90	60	40	/	16-2	/	4-14	198	120	4.9
	15	130	95	65	45	/	16-2	/	4-14	218	120	5.4
	20	150	105	75	55	/	16-2	/	4-14	258	140	7
	25	160	115	85	65	/	16-2	/	4-14	275	160	7.4
	32	180	135	100	78	/	18-2	/	4-18	280	180	8.5
	40	200	145	110	85	/	18-3	/	4-18	330	200	12.5
	50	230	160	120	100	/	20-3	/	4-18	350	240	20
	65	290	180	145	120	/	22-3	/	8-18	400	280	29
	80	310	195	160	135	/	22-3	/	8-18	355	280	32
	100	350	230	190	160	/	24-3	/	8-23	415	320	45
	125	400	270	220	188	/	28-3	/	8-25	460	360	63
	150	480	300	250	218	/	30-3	/	8-25	510	400	90
	200	600	360	310	278	/	34-3	/	12-25	710	400	160
	250	650	425	370	332	/	36-3	/	12-30	786	450	240
	300	750	485	430	390	/	40-4	/	16-30	925	500	390
	350	850	550	490	448	/	44-4	/	16-34	1030	600	650
	400	950	610	550	505	/	48-4	/	16-41	1170	700	820
	450	1050	660	600	555	/	50-4	/	20-34	1220	800	960
	500	1150	730	660	610	/	52-4	/	20-41	1450	900	1310
	600	1350	840	770	718	/	56-5	/	20-41	1810	1000	2420
4.0	10	130	90	60	40	35	16-2	4	4-14	198	120	4.9
	15	130	95	65	45	40	16-2	4	4-14	233	120	5.7
	20	150	105	75	55	51	16-2	4	4-14	275	140	7
	25	160	115	85	65	58	16-2	4	4-14	285	160	8.8
	32	180	135	100	78	66	18-2	4	4-18	302	180	11.8
	40	200	145	110	85	76	18-3	4	4-18	355	200	16.5
	50	230	160	125	100	88	20-3	4	4-18	373	240	24
	65	290	180	145	120	110	22-3	4	8-18	408	280	33
	80	310	195	160	135	121	22-3	4	8-18	436	320	44
	100	350	230	190	160	150	24-3	4.5	8-23	480	360	60
	125	400	270	220	188	176	28-3	4.5	8-25	558	400	89
	150	480	300	250	218	204	30-3	4.5	8-25	611	400	98
	200	600	375	320	282	260	38-3	4.5	12-30	720	400	190
	250	650	445	385	345	313	42-3	4.5	12-34	665	500	265
	300	750	510	450	408	364	46-4	4.5	16-34	720	550	430
	350	850	570	510	465	422	52-4	5	16-34	860	600	715
	400	950	655	585	535	474	58-4	5	16-41	1010	700	900
	450	1050	680	610	560	524	60-4	5	20-41	1190	800	1440
	500	1150	755	670	612	576	62-4	5	20-48	1260	900	2660

Note:Electric or gear drive,the price extra.

Main external and connection dimension JB/T79.4-1994

JB/T79.2-1994

公称压力 PN(MPa)	公称通径 DN(mm)	尺寸Size(mm)											重量
公称压力 PN(MPa)	公称通径 DN(mm)	L	D	D1	D2	D6	D8	b-f	f2	Z-φd	H	D0	重量
6.3	10	170	100	70	50	35		18-2	4	4-14	198	120	5.7
	15	170	105	75	55	40	/	18-2	4	4-14	195	140	10
	20	190	125	90	68	51	/	20-2	4	4-18	228	160	13
	25	210	135	100	78	58	/	22-2	4	4-18	275	180	14.5
	32	230	150	110	82	66	/	24-2	4	4-23	325	200	19
	40	260	165	125	95	76	/	24-3	4	4-23	360	240	25
	50	300	175	135	105	88	/	26-3	4	4-23	410	280	35
	65	340	200	160	130	110	/	28-3	4	8-23	450	320	48
	80	380	210	170	140	121	/	30-3	4	8-23	485	360	56
	100	430	250	200	168	150	/	32-3	4.5	8-25	537	400	70
	125	500	295	240	202	176	/	36-3	4.5	8-30	631	400	100
	150	550	340	280	240	204	/	38-3	4.5	8-34	646	450	152
	200	650	405	345	300	260	/	44-3	4.5	12-34	813	500	283
	250	775	470	400	352	313	/	48-3	4.5	12-41	985	550	462
	300	900	530	460	412	364	/	54-4	4.5	16-41	1214	600	885
	350	1025	595	525	475	422	/	60-4	5	16-41	1432	650	1554
	400	1150	670	585	525	474	/	66-4	5	16-48	1650	700	1850
10.0	10	170	100	70	50	/	35	20-2	/	4-14	198	120	6
	15	170	105	75	55	/	45	20-2	/	4-14	202	140	11
	20	190	125	90	68	/	50	22-2	/	4-18	228	160	13.2
	25	210	135	100	78	/	65	24-2	/	4-18	250	180	14
	32	230	150	110	82	/	75	24-2	/	4-23	326	220	15
	40	260	165	125	95	/	85	26-3	/	4-23	359	240	29
	50	300	195	145	112	/	110	28-3	/	4-25	414	280	49
	65	340	220	170	138	/	115	32-3	/	8-25	434	320	65
	80	380	230	180	148	/	145	34-3	/	8-25	547	400	95
	100	430	265	210	172	/	145	38-3	/	8-30	621	450	115
	125	500	310	250	210	/	175	42-3	/	8-34	732	450	149
	150	550	350	290	250	/	205	46-3	/	12-34	840	500	310
	200	650	430	360	312	/	265	54-3	/	12-41	925	550	590
	250	775	500	430	382	/	320	60-3	/	12-41	1155	600	991
	300	900	585	500	442	/	375	70-4	/	16-48	1340	700	1361
16.0	15	170	100	75	52	/	35	24-2	/	4-18	148	140	12.2
	20	190	130	90	62	/	45	26-2	/	4-23	156	160	15
	25	210	140	100	72	/	50	28-2	/	4-23	125	180	17
	32	230	165	115	85	/	65	30-2	/	4-25	200	200	21.4
	40	260	175	125	92	/	75	32-3	/	4-27	231	240	32
	50	300	215	165	132	/	95	36-3	/	8-25	262	250	52
	65	340	245	190	152	/	110	44-3	/	8-30	303	320	69
	80	380	260	205	168	/	130	46-3	/	8-30	341	400	98
	100	430	300	240	200	/	160	48-3	/	8-34	485	450	119
	150	550	390	318	270	/	190	74-3	/	12-41	630	550	446
	200	650	480	400	345	/	205	78-3	/	12-48	775	700	930

Note:Electric or gear drive,the price extra.

GB globe valve

低温截止阀 DJ41F-16/40P

不锈钢氧气专用截止阀 YJ41H-25-40P/T

不锈钢抗生素法兰截止阀 KJ41F-16-40/P/R

保温截止阀 BJ45H/Y-15-40C/P/R

柱塞截止阀 UJ41H

法兰氨用截止阀 J41B

日标截止阀

美标截止阀J41W、J41H、J41Y