Soft sealing flange butterfly valve

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Soft sealing flange butterfly valve

Model: D341X
Nominal diameter: DN50 ~ 1000mm
Nominal pressure: PN0.6 ~ 1.6MPa
Temperature: ≤120 ℃
Body Material: kinds of rubber, PTFE
Drive forms: manual, worm gear, gas transmission, electrical transmission
Medium: air, water, water, steam, gas, oil and other design criteria: GB / T2238-1989
Flange size: GB / T9113.1-2000; GB / T9115.1-2000 ; JB78
Length of the structure: GB / T12221-1989
Pressure test: GB / T13927-1992; JB / T9092-1999

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The main technical parameters

Nominal diameter	DN (mm)	50 ~ 2000
Nominal pressure	PN (MPa)	0.6	1.0	1.6
test pressure	Strength test	0.9	1.5	2.4
	Seal test	0.66	1.1	1.76
	Gas seal test	0.6	0.6	0.6
Suitable media	Air, water, sewage, steam, gas, oil and so on
Drive form	Manual, worm gear drive, gas drive, electric drive

The main parts of the material

Part Name	material
Body	All kinds of rubber, PTFE
Butterfly plate	Gray cast iron, ductile cast steel, cast steel, stainless steel and special materials
Sealing ring	Ductile cast steel, cast steel, alloy steel, stainless steel
Valve stem	2Cr13, stainless steel
filler	O-ring, flexible graphite

The main dimensions and weight (PN1.0 / 1.6MPa)

DN (mm)	A	B	C	D	D1	D2	D3	D4	D5	L	L1	L2	nd	a	f	n-d1	Weight WT (kg)
50	83	130	20	52.9	125	165	99	57.15	65	108	111	32	4-19	90 °	3	4-7	7.6
65	93	145	20	64.5	145	185	118	57.15	65	112	115	32	4-19	90 °	3	4-7	9.7
80	100	155	22	78.8	160	20	132	69.85	65	114	117	32	8-19	45 °	3	4-7	10.6
100	114	170	24	104	180	220	156	69.85	90	127	130	32	8-19	45 °	3	4-10	13.8
125	125	190	26	123.3	210	250	184	69.85	90	140	143	32	8-19	45 °	3	4-10	18.2
150	143	205	26	155.6	240	285	211	88.9	90	140	143	32	8-23	45 °	3	4-10	21.7
200	170	235	26	202.5	295	340	266	88.9	125	152	155	45	8-23 12-23	45 ° / 30 °	3	4-14	31.8
250	198	280	28	250.5	350/355	395/405	319	107.95	125	165	168	45	12-23 12-28	30 °	3	4-14	44.7
300	223	310	28	301.5	400/410	445/460	370	107.95	150	178	182	45	12-23 12-28	30 °	4	4-14	57.9
350	279	340	30	333.3	460/470	505/520	429	158.75	150	190	194	45	16-23 16-28	22.5 °	4	4-14	81.6
400	300	375	32	389.6	515/525	565/580	480	158.75	175	216	221	51.2 / 72	16-28 16-31	22.5 °	4	4-20.6	106
450	345	430	32	440.5	565/585	615/640	530	158.75	175	222	227	51.2 / 72	20-28 20-31	18 °	4	4-20.6	147
500	355	500	34	491.6	620/650	670/715	582	215.9	210	229	234	52.75 / 77.5	20-26 20-34	18 °	4	4-20.6	165
600	410	560	36	592.5	725/770	780/840	682	254	210	267	272	70.2 / 82	20-31 20-37	18 °	5	4-22	235
700	478	620	40	695	840	895/910	794	254	300	292	299	66/82	24-31 24-37	15 °	5	8-18	338
800	529	620	44	794.7	950	1015/1025	901	254	300	318	325	66/82	24-34 24-40	15 °	5	8-18	475
900	584	665	46	864.7	1050	1115/1125	1001	254	350	330	338	118	28-34 28-40	12.9 °	5	8-22	595
1000	657	735	50	965	1160/1170	1230/1255	1112	254	350	410	417	141	28-37 28-43	12.9 °	5	8-22	794

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