Stainless Steel Flanged Butterfly Valve（Worm Gear）

Technical Parameters

Item model number: D341X

Nominal diameter: DN50～2000mm

Nominal pressure: PN0.6~1.6MPa

Applicable temperature: ≤120℃

Body material: all kinds of rubber, PTFE

Drive form: manual, worm and worm gear drive, pneumatic drive, electric drive

Applicable medium: air, water, sewage, steam, gas, oil, etc.

Design standard: GB/T2238

Flange connection size: GB/T9113.1; GB/T9115.1; JB78

Structure length: GB/T12221

Pressure test: GB/T13927; JB/T9092

Product Details

Product overview

The worm gear flange type soft sealing butterfly valve is suitable for the water supply and drainage and gas pipelines of food, medicine, chemical industry, petroleum, electric power, light textile, papermaking, etc. with temperature ≤120℃ and nominal pressure ≤1.6MPa.

Main dimensions and weight (PN1.0/1.6MPa)

DN	L	D	D1	D2	b	f	N-d0	A	K	E	F	H	H1	H2	Φ2	N-d1
50	108	165	125	102	18	3	4-Φ18	180	65	50	13	83	338	28	12.6	4-Φ7
65	112	185	145	122	18	3	8-Φ18	180	65	50	13	93	358	28	12.6	4-Φ7
80	114	200	160	138	20	3	8-Φ18	245	65	50	13	100	413	28	12.6	4-Φ7
100	127	220	180	158	20	3	8-Φ18	240	90	70	13	114	428	28	15.77	4-Φ10
125	140	250	210	188	22	3	8-Φ18	240	90	70	13	125	444	28	18.92	4-Φ10
150	140	285	240	212	22	3	8-Φ22	350	90	70	13	143	553	28	18.92	4-Φ10
200	152	340	295	268	24	3	12-Φ22	350	125	102	13	170	678	38	22.1	4-Φ12
250	165	405	355	320	26	3	12-Φ26	550	125	102	13	198	742	38	28.45	4-Φ12
300	178	460	410	378	28	4	12-Φ26	600	125	102	20	223	803	38	31.6	4-Φ12
350	190	520	470	438	30	4	16-Φ26	600	150	125	20	270	866	45	31.6	4-Φ14
400	216	580	525	490	32	4	16-Φ30	600	175	140	20	300	940	51	33.15	4-Φ18
450	222	640	585	550	40	4	20-Φ30	750	175	140	20	340	995	51	37.95	4-Φ18
500	229	715	650	610	44	4	20-Φ33	750	175	140	22	355	1058	57	41.12	4-Φ18
600	267	840	770	725	54	5	20-Φ36	750	210	165	30	410	1163	70	50.63	4-Φ22
700	292	910	840	795	40	5	24-Φ36	750	300	254	30	478	1283	66	63.35	8-Φ18
800	318	1025	950	900	42	5	24-Φ39	750	300	254	30	529	1398	66	63.35	8-Φ18
900	330	1125	1050	1000	44	5	28-Φ39	1250	300	254	34	584	1498	118	75	8-Φ18
1000	410	1255	1170	1115	46	5	28-Φ42	1500	300	254	34	357	1608	142	85	8-Φ18
1200	470	1485	1390	1330	52	5	32-Φ48	1500	350	298	34	799	1876	150	105	8-Φ22

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