Application of Standards

① The design and manufacture of valves are in accordance with JB/T8927 and GB/T12238.
② Acceptance and Inspection: GB/T 13927, GB/T26480
③ Welded joint dimensions: GB/T12224 or as specified by the customer.
④ Structure length: B/T12221
⑤ Temperature and pressure rating: GB/T12224
⑥ Fire safety: JB/T6899

Product specifications

① Main material: carbon steel, stainless steel, alloy steel
② Nominal diameter: DN40 to DN2000
③ Pressure range: 1.0MPa~6.4MPa
④ Operating temperature: -29℃~+600℃
⑤ Drive modes: manual, worm gear, electric, pneumatic, hydraulic
⑥ Application scope: It can be used for cutting off in the fluid pipelines of water supply, sewage, construction, food, electric power, medicine, metallurgy, light textile, energy, etc.

Main Components Material

		Material
Order number	Part name	Stainless steel	Cast steel
1	Nut bolt	A193 B8	A193 B7
2	Rear co- ver	304	A105
3	Sheet gasket	PTFE	Metal wound pad
4	Valve stem	304	2Cr13
5	Valve body	CF8	WCB
6	Gasket ring	PTFE	PTFE
7	Nut bolt	A193 B8	A193 B7
8	Mel t	304	2Cr13
9	Alveolar plate	CF8	WCB
10	Platen	304	A105
11	Filling	PTFE	Flexible graphite
12	Stuffing box gland	CF8	WCB
13	Nut	A1948	A1942H
14	Bolt	A193 B8	A193 B7
15	Support	WCB	WCB
16	Worm gear	Groupware	Groupware

product-417-419

product-281-75

Welded Butterfly Valve
Welded seal butterfly valve

product-833-383

Key size measurements

PN0.6-1.0MPa

Nominal pressure PN0. 6MPa									Nominal pressure PN1.0MPa
Latus rectum		External dimensions (reference values)							Latus rectum		External dimensions (reference values)
mm	inch	L	D	d	H	H1	A	B	mm	inch	L	D	d	H	H1	A	B
600	24	390	636	602	499	1280	570	660	600	24	390	636	602	499	1280	570	660
700	28	430	726	692	566	1480	750	550	700	28	430	726	692	566	1480	750	550
800	32	470	826	792	632	1608	750	550	800	32	470	826	792	632	1608	750	550
900	36	510	926	892	693	1857	750	550	900	36	510	926	892	693	1857	750	550
1000	40	550	1028	992	757	2038	900	750	1000	40	550	1028	992	757	2038	900	750
1200	48	630	1228	1192	851	2237	1000	925	1200	48	630	1228	1192	851	2237	1000	925
1400	56	710	1428	1392	876	2411	1000	925	1400	56	710	1428	1392	876	2411	1000	925
1600	64	790	1628	1592	1095	2756	1000	925	1600	64	790	1628	1592	1095	2756	1000	925
1800	72	870	1828	1792	1214	3093	1100	980	1800	72	870	1828	1792	1214	3093	1100	980
2000	80	950	2028	1992	1332	3355	1100	980	2000	80	950	2028	1992	1332	3355	1100	980

PN1.6MPa

Nominal pressure PN1. 6MPa									Nominal pressure PN1.6MPa
Latus rectum		External dimensions (reference values)							Latus rectum		External dimensions (reference values)
Latus rectum									Latus rectum
mm	inch	L	D	d	H	H1	A	B	mm	inch	L	D	d	H	H1	A	B
80	3	180	90	78	90	356	180	200	600	24	390	636	602	509	1369	570	660
100	4	190	110	96	100	375	180	200	700	28	430	726	692	572	1492	750	550
125	5	200	135	121	113	401	180	200	800	32	470	826	792	638	1622	750	550
150	6	210	161	146	130	450	270	280	900	36	510	926	892	700	1924	750	550
200	8	230	222	202	205	545	400	425	1000	40	550	1028	992	765	2054	900	750
250	10	250	278	254	235	630	400	425	1200	48	630	1228	1192	860	2259	1000	925
300	12	270	330	303	275	715	450	560	1400	56	710	1428	1392	986	2610	1000	925
350	14	290	382	351	309	817	450	560	1600	64	790	1628	1592	1106	2856	1000	925
400	16	310	432	398	346	923	535	580	1800	72	870	1828	1792	1216	3221	1100	980
450	18	330	484	450	392	1059	535	580	2000	80	950	2028	1992	1345	3385	1100	980
500	20	350	535	501	427	1126	535	580	1	1	1	1	1	1	1	1	1

API Butt-welded Butterfly Valve American standard butt-welded butterfly valve

PN2.5-4.0MPa

Nominal pressure PN2.5MPa									Nominal pressure P N 4.0 M P a
Latus rectum		External dimensions (reference values)							Latus rectum		External dimensions (reference values)
mm	inch	L	D	d	H	H1	A	B	mm	inch	L	D	d	H	H1	A	B
80	3	180	90	78	90	356	180	200	80	3	180	90	78	108	430	180	200
100	4	190	110	96	106	387	180	200	100	4	190	110	96	108	392	180	200
125	5	200	135	121	122	413	180	200	125	5	200	135	120	120	414	180	200
150	6	210	161	146	136	459	270	280	150	6	210	161	145	135	494	270	280
200	8	230	222	202	215	585	400	425	200	8	230	222	200	202	578	400	425
250	10	250	278	254	247	649	400	425	250	10	250	278	252	235	673	400	425
300	12	270	330	303	288	771	450	560	300	12	270	330	301	280	793	450	560
350	14	290	382	351	333	929	450	560	350	14	290	382	351	315	921	450	560
400	16	310	432	398	359	993	535	580	400	16	310	432	398	355	1021	535	580
450	18	330	484	450	405	1053	535	580	450	18	330	484	448	370	1143	535	580
500	20	350	535	501	444	1245	535	580	500	20	350	535	495	420	1192	535	580
600	24	390	636	602	521	1750	570	660	600	24	390	636	595	490	1327	570	660
700	28	430	726	692	586	1519	750	550	1	/	1	1	1	1	1	1	1
800	32	470	826	792	659	1659	750	550	1	1	1	1	1	1	1	1	1
900	36	510	926	892	720	1829	750	550	1	1	1	1	1	1	1	1	1
1000	40	550	1028	992	780	1949	900	750	1	1	1	1	1	1	1	1	1
1200	48	630	1228	1192	889	2243	1000	925	1	1	1	1	1	1	1	1	1
1400	56	710	1428	1392	1000	2462	1000	925	1	1	1	1	1	1	1	1	1

CLASS150Lb

NPS	3"	4"	6"	8"	10"	12"	14"	16"	18"	20"	24"	28"	30"	32"	36"
L	180	190	210	230	250	270	290	310	330	350	390	430	430	470	510
H1	295	305	366	396	429	483	498	579	630	655	744	790	815	874	899
H	430	460	536	594	660	752	795	912	996	1049	1196	1301	1351	1451	1501
E	198	198	211	267	254	254	404	404	404	465	465	465	559	559	559
B	84	84	84	145	114	114	145	145	191	191	191	191	269	269	269
D	200	200	250	250	315	315	315	315	315	400	400	400	400	400	400
Weight (kg)	32	35	43	60	90	107	153	207	267	327	473	653	760	1033	1200

CLASS300Lb

NPS	3"	4"	6"	8"	10"	12"	14"	16"	18"	20"	24"	28"	30"	32"	36"
L	180	190	210	230	250	270	290	310	330	350	390	430	430	470	510
H1	295	358	389	417	465	546	579	642	673	701	775	904	963	1054	1161
H	427	508	577	638	717	836	897	1010	1069	1123	1270	1463	1557	1671	1837
E	198	198	254	254	404	404	465	465	465	559	559	648	648	648	805
B	84	84	144	114	145	145	191	191	191	269	269	351	351	351	429
D	200	200	315	315	315	315	400	400	400	400	400	400	400	400	630
Weight (kg)	34	44	73	132	151	257	286	416	497	571	881	1320	1478	1699	2379

Design, test standards, and operating conditions

Design criteria		API 609
Pressure temperature class		ASME B16.34
Structure length		API 609,ASME B16.10
Welding standard for butt welding		ASME B16.25
Inspection and Testing		API 598
Nominal pressure (Class)		150LB	300LB	600LB
	Shell test	3	7.5	16.5
Test pressure (MPa	High pressure sealing test	2.2	5.5	12.1
	Low pressure gas seal test	0.6	0.6	0.6
Applicable temperature		-29℃ to 550℃ (materials vary depending on operating conditions)
Applicable medium		Water, oil, steam, and various corrosive media (different materials are selected for different media)