Butterfly Valve,China Butterfly Valve,Butterfly Valve manufacturer,Butterfly Valve exporter,China Butterfly Valve supplier,Butterfly Valve factory,China Zhongquan Group Valve Co., Ltd.

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Ball Valve

Butterfly Valve

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Butterfly Valve

Zhongquan Group Valve Co., Ltd manufactures the valves with such standards as American ANSI/API, Japanese JIS, German DIN and Chinese GB. It’s main products including Gate Valve, Globe Valve, Check Valve, Ball Valve, Butterfly Valve,Center line butterfly valve,Triple eccentric butterfly valve,Adjust butterfly valve etc. The size ranges from DN15 to DN1050. The pressure ranges from Class 150 to Class 2500. And the main materials of the products are WCB, WCC, WC6, WC9, CF8, CF8M, CF3, CF3M, LCB, A105, etc. We can produce according to the clients’ special requirements. The products are widely applied to the field of petroleum, chemical, metallurgical, power, fuel gas, city pipeline networks and so on. Our products are exported to Southeast Asia, Europe, Unite States, Middle East and other countries. With high content of technology and reliable quality, our products enjoy a good reputation.

Butterfly Valve

Center line butterfly valve

Triple eccentric butterfly valve

Adjust butterfly valve

JOCH butterfly valves have center line, eccentric and triple eccentric types. Classified for stop type, adjust type and vent types, Metal seal and non-metal seal. The liner materials of centerline butterfly valve. Including PTEF, NR, EPEM, NBR, SI, VITON, CR, IIP, suitable fob different temperature and medium. Eccentric butterfly valve has flexible seal, multiple-line seal and metal seal. The end connection of butterfly valve has flexible seal, multiple-line seal and metal seal. The end connection of butterfly valve including wafer, double flange, butt weld, lug wafer. There are rich varieties of types for selection, only some types are shown in this book, please contact us for more information.

Butterfly valve design construction and specifications

JOCH cast butterfly valve conform to API609, MSS-SP-68, ANSI B16.34.Each is tested according to API 598 and Marking is per MSS-SP-25.

Construction is as follows

Triple eccentric butterfly valve. Beveled wedge disc, small friction and torque, self-clean.
Manual, electric, pneumatic and gear operation etc
Applicable for chemical industry, petroleum, water supply and drain of city, heat supply, metallurgy, metallurgy, water treatment etc.
Close and open smartly, prompt, light weight, small figure.

Seat material and working temperature

EPDM	-40~+125 °C
NBR	-20~80 °C
SI	-70~+150 °C
VITON	-23~+150 °C
PTFE	23~+150 °C
316+Graphite	-46~+350 °C
STL/STL	-46~+35 °C

Pressure test

Class	Shell test (MPa)	Seal test (MPa)	Air test (MPa)
150Lb	3.1	2.3	0.5-0.7
300Lb	7.6	3.6	0.5-0.7
600Lb	16.0	11.0	0.5-0.7

Tripe eccentric butterfly valve

Tripe eccentric butterfly valve

Technical requirements

1. Design and manufacture comply to MSS SP 67-1997

2. Inspect and test comply to API 598

3. Face to face dimetion complies to BS5155

4. Flanges comply to API605

5. Pressure-temperature grade complies to ANSI B6.34

Three-dimensional incline taper airproof seat 900 openinger cleaning

Triple eccentric. Bereled wedge disc small friction and torque, self-clean

Manual, electric, pneumatic and gear operation etc.

A216WCB, A351 CF8, A351 CF8M

A217LCB, A351 CF3, A351 CF3M

Material specification

NO.	Part name	Material
NO.	Part name	A216 WCB	A217 LCB	A351 CF8	A351 CF8M	A315CF3M
1	Nether cover	A105	A105	A182 F304	A182 F316	A182 F316L
2	Bearing	A182 F6a	A182 F304	A182 F304	A182 F316	A182 F316L
3	Wrash	F304+Flexible graphite PTFE
4	Body	A216 WCB	A217 LCB	A351 CF8	A351CF8M	A351 CF3M
5	Nut	A194 2H	A194 4	A194 8	A194 8M	A194 8M
6	Bolt	A193 B7	A193 B16	A193 B8	A193 B8M	A193 B8M
7	Gland	A182 F410	A182 F304	A182 F304	A182 F316	A182 F316L
12	Key	A194 2H
13	Gear action	Nodular cast iron
14	Yoke	A216 WCB A351 CF8
15	Shaft packing	Flexible graphite PTFE
16	Bearing	B148/SF-1/17-7PH
17	Tailpiece	A216 WCB	A217 LCB	A351 CF8	A351 CF8M	A351 CF3M
18	Seal seat	Flexible graphite PTFE
20	Pin	A276 316	A276 316	A276 316	A276 316	A276 316
21	Butterfly board	A351CF8M	A351CF8M	A351CF8M	A351 CF8M	A351 CF3M
22	Shaft	A276 316	A276 316	A276 316	A276 316	A276 316L

Tripe eccentric butterfly valve

Tripe eccentric butterfly valve

150Lb
NPS		2"	3"	4"	5"	6"	8"	10"	12"	14"	16"	18"	20"	24"	30"	32"	36"	42"
L-RF		43	64	64	70	76	89	114	114	127	140	152	152	178	229	241	241	305
L-BW		107	114	127	140	140	152	165	178	190	216	222	229	267	292	318	330	410
L-WF		43	49	56	64	70	71	76	87	92	102	114	127	154	165	190	203	251
D1		120.5	152.5	190.5	216	241.5	298.5	362	432	476	540	578	635	749.5	914	978	1085	1257
D2		92	127	157	186	216	270	324	381	413	470	533	584	692	857	914	1022	1194
H		345	380	415	455	545	615	695	830	900	980	1030	1110	1305	1525	1585	1765	1871
H1		280	315	350	390	455	522	605	730	800	870	920	1000	1155	1375	1435	1585	1610
H2		110	125	145	165	175	210	250	285	320	355	380	415	475	580	630	680	680
WT Kg	RF	20	29	35	40	81	94	156	183	239	302	346	434	638	788	880	1042	1670
	BW	21	27	34	41	43	81	102	132	164	193	238	302	457	910	1093	1410	1870
	WF	9	11	13	16	26	34	51	72	106	133	176	290	394	476	618	762	963
300Lb
L-RF		43	64	64	70	76	89	114	114	127	140	152	152	178	229	241	241	305
L-BW		43	49	56	64	70	71	76	86	92	102	114	127	154	165	190	203	251
L-WF		160	180	190	200	210	230	250	270	290	310	330	350	390	430	470	510	550
D1		127	168	200	235	270	330	387	451	514	571	628	686	813	997	1054	1168	1206.5
D2		92	127	157	186	216	270	324	381	413	470	533	584	692	867	914.5	1022	1136
H		345	380	415	455	524	615	695	830	900	980	1030	1110	1305	1525	1585	1765	1871
H1		280	315	350	390	455	525	605	730	800	870	920	1000	1156	1375	1435	1585	1610
H2		110	125	145	165	175	210	250	285	320	355	380	415	475	580	630	680	680
WT Kg	RF	27	31	38	43	45	85	110	142	172	201	245	315	467	922	1105	1430	1890
	BW	24	27	38	50	54	100	13	260	280	320	500	550	900	1234	1468	1782	2300
	WF	11	12	15	18	28	37	56	71	116	145	193	209	433	523	838	972	1000