GB Floating Flange Ball Valve

Short Description:

Design standards

• Technical specification: GB

• Design Standard: GB/T 12237

• Face to Face: GB/T 12221

• Flanged Ends: GB/T 9113 JB 79 HG 20592

• Test and Inspection: GB/T 13927 GB/T 26480

Performance Specification

• Nominal pressure: 1.6,2.5,4.0,6.3,10.0Mpa

• Strength test: 2.4, 3.8, 6.0, 9.5,15.0Mpa

• Seal test: 1.8,2.8,4.4, 7.0,11.0Mpa

• Gas seal test: 0.6Mpa

• Valve body material: WCB (C), CF8 (P), the CF3 (PL), CF8M (R), CF3M (RL)

• Suitable medium: water, steam, oil products, nitric add, acetic acid

• Suitable temperature: -29°C~150°C

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Product Detail

Product Tags

Product Overview

Manual flanged ball valve is mainly used to cut off or put through the medium, can also be used for fluid regulation and control.Compared with other valves, ball valves have the following advantages:
1, the fluid resistance is small, the ball valve is one of the least fluid resistance in all valves, even if it is a reduced diameter ball valve, its fluid resistance is quite small.
2, the switch is fast and convenient, as long as the stem rotates 90°, the ball valve will complete the fully open or fully closed action, it is easy to achieve fast opening and closing.
3, good sealing performance.Ball valve seat sealing ring is generally made of polytetrafluoroethylene and other elastic materials, easy to ensure sealing, and the sealing force of the ball valve increases with the increase of medium pressure.
4, the valve stem sealing is reliable.When the ball valve is opened and closed, the valve stem only rotates, so the packing seal of the valve stem is not easy to be destroyed, and the sealing force of the reverse seal of the valve stem increases with the increase of the medium pressure.
5. The opening and closing of the ball valve only does 90° rotation, so it is easy to achieve automatic control and remote control. The ball valve can be configured with pneumatic device, electric device, hydraulic device, gas-liquid linkage device or electro-hydraulic linkage device.
6, the ball valve channel is smooth, not easy to deposit medium, can be pipeline ball.

Product Structure

singlgime (2) singlgime (1)

ISO High Mount Pad

Main Parts And Materials

Material Name	Carbon steel	Stainless steel
Body	WCB、A105	CF8、CF3	CF8M、CF3M
Bonnet	WCB、A105	CF8、CF3	CF8M、CF3M
Ball	304	304	316
Stem	304	304	316
Seat	PTFE、RPTFE
Gland Packing	PTFE / Flexible Graphite
Gland	WCB、A105	CF8

The Main Dimensions And Connection Dimensions

(GB): PN1.6MPa

DN	L		D		DI	D2	b		t	Z-Φd		ISO5211	TXT
DN	Short series	Long series	JB/T 79	HG/T20592	DI	D2	JB/T 79	HG/T20592	t	JB/T 79	HG/T20592	ISO5211	TXT
15	108	130	95	95	65	45	14	16	2	4-Φ14	4-Φ14	F03/F04	9X9
20	117	130	105	105	75	55	14	18	2	4-Φ14	4-Φ14	F03/F04	9X9
25	127	140	115	115	85	65	14	18	2	4-Φ14	4-Φ14	F04/F05	11X11
32	140	165	135	140	100	78	16	18	2	4-Φ18	4-Φ18	F04/F05	11X11
40	165	165	145	150	110	85	16	18	2	4-Φ18	4Φ18	F05/F07	14X14
50	178	203	160	165	125	100	16	18	2	4-Φ18	4-Φ18	F05/F07	14X14
65	190	222	180	185	145	120	18	18	2	4-Φ18	8-Φ18	F07	14X14
80	203	241	195	200	160	135	20	20	2	8-Φ18	8-Φ18	F07/F10	17X17
100	229	280	215	220	180	155	20	20	2	8-Φ18	8-Φ18	F07/F10	22X22
125		320	245	250	210	185	22	22	2	8-Φ18	8-Φ18
150		360	285	285	240	212	24	22	2	8-Φ23	8-Φ22
200		457	340	340	295	268	26	24	2	12-Φ23	12-Φ22
250		533	405	405	355	320	30	26	2	12-Φ25	12-Φ26
300		610	460	460	410	378	30	28	2	12-Φ25	12-Φ26

(GB): PN2.5MPa

DN	L		D		DI	D2	b		t	Z-Φd
DN	Short series	Long series	JB/T 79	HG/T20592	DI	D2	JB/T 79	HG/T20592	t	JB/T 79	HG/T20592
15	108	130	95	95	65	45	16	16	2	4-Φ14	4-Φ14
20	117	130	105	105	75	55	16	18	2	4-Φ14	4-Φ14
25	127	140	115	115	85	65	16	18	2	4-Φ14	4-Φ14
32	140	165	135	140	100	78	18	18	2	4-Φ18	4-Φ18
40	165	165	145	150	110	85	18	18	2	4-Φ18	4-018
50	178	203	160	165	125	100	20	20	2	4-Φ18	4-Φ18
65	190	222	180	185	145	120	22	22	2	8-Φ18	8-Φ18
80	203	241	195	200	160	135	22	24	2	8-Φ18	8-Φ18
100	229	280	230	235	190	160	24	24	2	8-Φ23	8-Φ22
125		320	270	270	220	188	28	26	2	8-Φ25	8-Φ26
150		360	300	300	250	218	30	28	2	8-Φ25	8-Φ26
200		457	360	360	310	278	34	30	2	12-Φ25	12-Φ26
250		533	425	425	370	335	36	32	2	12-Φ30	12-Φ30
300		610	485	485	430	395	40	34	2	16-Φ30	16-Φ30

(GB): PN4.0MPa

DN	L	D		DI	D2	b		t	Z-Φd
DN	L	JB/T 79	HG/T20592	DI	D2	JB/T 79	HG/T20592	t	JB/T 79	HG/T20592
15	140	95	95	65	45	16	16	2	4-Φ14	4-Φ14
20	152	105	105	75	55	16	18	2	4-Φ14	4-Φ14
25	165	115	115	85	65	16	18	2	4-Φ14	4-Φ14
32	178	135	140	100	78	18	18	2	4-Φ18	4-Φ18
40	190	145	150	110	85	18	18	2	4-Φ18	4-Φ18
50	216	160	165	125	100	20	20	2	4-Φ18	4-Φ18
65	241	180	185	145	120	22	22	2	8-Φ18	8-Φ18
80	283	195	200	160	135	22	24	2	8-Φ18	8-Φ18
100	305	230	235	190	160	24	24	2	8-Φ22	8-Φ22
125	381	270	270	220	188	28	26	2	8-Φ26	8-Φ26
150	403	300	300	250	218	30	28	2	8-Φ26	8-Φ26
200	502	375	375	320	285	38	34	2	12-Φ30	12-Φ30
250	568	445	450	385	345	42	38	2	12-Φ33	12-Φ33
300	648	510	515	450	410	46	42	2	16-Φ33	16-Φ33

(GB): PN6.3MPa

DN	L	D		DI	D2	b		t	Z-Φd
DN	L	JB/T 79	HG/T20592	DI	D2	JB/T 79	HG/T20592	t	JB/T 79	HG/T20592
15	140	105	105	75	45	20	20	2	4-Φ14	4-Φ14
20	152	125	130	90	55	20	22	2	4-Φ18	4-Φ18
25	165	135	140	100	65	22	24	2	4-Φ18	4-Φ18
32	178	150	155	110	78	24	26	2	4-Φ23	4-Φ22
40	190	165	170	125	85	24	26	2	4-Φ23	4-Φ22
50	292	175	180	135	100	26	26	2	4-Φ23	4-Φ22
65	330	200	205	160	120	28	26	2	8-Φ23	8-Φ22
80	356	210	215	170	135	30	28	2	8-Φ23	8-Φ22
100	406	250	250	200	160	32	30	2	8-Φ25	8-Φ26
125	432	295	295	240	188	36	34	2	8-Φ30	8-Φ30
150	495	340	345	280	218	38	36	2	8-Φ34	8-Φ33
200	597	405	415	345	285	44	42	2	12-Φ34	12-Φ36
250	673	470	470	400	345	48	46	2	12-Φ41	12-Φ36
300	762	530	530	460	410	54	52	2	16-Φ41	16-Φ36

(GB): PN10.0MPa

DN	L	D		DI	D2	b		t	Z-Φd
DN	L	JB/T 79	HG/T20592	DI	D2	JB/T 79	HG/T20592	t	JB/T 79	HG/T20592
15	165	105	105	75	45	20	20	2	4-Φ14	4-Φ14
20	190	130	130	90	55	22	22	2	4-Φ18	4-Φ18
25	216	140	140	100	65	24	24	2	4-Φ18	4-Φ18
32	229	155	155	110	78	26	26	2	4-Φ22	4-Φ22
40	241	170	170	125	85	28	28	2	4-Φ22	4-Φ22
50	292	195	195	145	100	30	30	2	4-Φ26	4-Φ26
65	330	220	220	170	120	34	34	2	8-Φ26	8-Φ26
80	356	230	230	180	135	36	36	2	8-Φ26	8-Φ26
100	432	265	265	210	160	40	40	2	8-Φ30	8-Φ30
125	508	315	315	250	188	40	40	2	8-Φ33	8-Φ33
150	559	355	355	290	218	44	44	2	12-Φ33	12-Φ33
200	660	430	430	360	285	52	52	2	12-Φ36	12-Φ36
250	787	505	505	430	345	60	60	2	12-Φ39	12-Φ39
300	838	585	585	500	410	68	68	2	16-Φ42	16-Φ42

GB): PN16.0Mpa

DN	L	D		DI	D2	b		t	Z-Φd
DN	L	JB/T 79	HG/T20592	DI	D2	JB/T 79	HG/T20592	t	JB/T 79	HG/T20592
15	230	105	105	75	45	20	20	2	4-Φ14	4-Φ14
20	240	130	130	90	55	24	24	2	4-Φ18	4-Φ18
25	260	140	140	100	65	24	24	2	4-Φ18	4-Φ18
32	300	155	155	110	78	28	28	2	4-Φ22	4-Φ22
40	360	170	170	125	85	28	28	2	4-Φ22	4-Φ22
50	400	195	195	145	100	30	30	2	4-Φ26	4-Φ26
65	490	220	220	170	120	34	34	2	8-Φ26	8-Φ26
80	580	230	230	180	135	36	36	2	8-Φ26	8-Φ26
100	620	265	265	210	160	40	40	2	8-Φ30	8-Φ30

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