wafer butterfly valve
1.DN40-1200;PN1.0/1.6MPa
2.Medium:Water,Oil,Gas
3.T:-10~120
4.Material:CI,DI,Stainless steel

 

 

wafer butterfly valve

1.Type: Wafer  
2.Nominal Pressure:    PN1.0/1.6MPa 
3.materials: 
  3-1.body: cast iron 
  3-2.Disc : ductile iron with Ni plated 
  3-3.Seat: EDPM  
  3-4.Shaft/Stem: SS416 with pin 
  3-5.Handle:  
    3-5-1.Hand lever for DN40-DN200:Malleable Iron 
    3-5-2.Worm gear for DN250-DN600:Cast Iron 

1. Product characteristics:

Simple and compact structure, small in size and light in weight, easy to transport, install, disassemble and maintain, it can be mounted wherever needed.Center plate structure, quick 90 degree on-off operation, minimized operating torque, quick open and close, energy saving.Disc has two-way bearing, perfect seal, and no leakage under the pressure test.Long service life. Standing the test of ten thousands opening and closing operation.Wide selection of materials, applicable for various medium.Flow curve tending to straight line. Excellent regulation performance, Can be used in cutting off and regulating medium.Strong wash and brush resistance, and can fit to bad working condition.

2. Dimensions (Under PN1.0/PN1.6MPa)

Size		A	B	C	D	L	D1	n-φ	K	E	n1-φ1	φ2	G	n2-M
(mm)	(inch)
50	2"	161	80	42	52.6	32	120	4-23	77	57.15	4-6.7	12.6	118	-
65	2.5"	175	89	44.7	64.3	32	136.2	4-26.5	77	57.15	4-6.7	12.6	137	-
80	3"	181	95	45.2	78.8	32	160	8-18	77	57.15	4-6.7	12.6	143	-
100	4"	200	114	52.1	104	32	185	4-24.5	92	69.85	4-10.3	15.77	156	-
125	5"	213	127	54.4	123.3	32	215	4-23	92	69.85	4-10.3	18.92	190	-
150	6"	226	139	55.8	155.7	32	238	4-25	92	69.85	4-10.3	18.92	212	-
200	8"	260	175	60.6	202.4	45	295	4-25 4-23	115	88.9	4-14.3	22.1	268	-
250	10"	292	203	62.6	250.5	45	357	4-29	115	88.9	4-14.3	28.45	325	-
300	12"	337	242	76.9	301.5	45	407	4-29	140	107.95	4-14.3	31.6	403	-
350	14"	368	267	76.2	333.5	45	467	4-30	140	107.95	4-14.3	31.6	436	-
400	16"	400	309	85.7	389.6	51.2  72	515 525	4-26 4-30	197	158.75	4-20.6	33.15 37.9	488	-
450	18"	422	328	104.6	440.5	51.2  72	565 585	4-26 4-30	197	158.75	4-20.6	38 42.86	539	-
500	20"	480	360	130.23	491.6	52.75  77.5	620 650	4-26 4-33	197	158.75	4-20.6	41.15 45.72	593	-
600	24"	562	459	151.36	592.5	70.2  82	725 770	20-30 20-36	276	215.9	4-22.2	50.65 53.98	824	-
700	28"	624	520	163	695	66 82	840	24-30 20-36	300	254	8-18	55 63.35	895	4-M33
800	32"	672	591	188	794.7	66 82	950	24-33 24-39	300	254	8-18	55 63.35	1015	-
900	36"	720	656	203	864.7	118	1050	24-33	300	254	8-18	75	1115	4-M30
1000	40"	800	722	216	965	141	1160	24-36	300	254	8-18	85	1230	4-M33