Ductile Cast-Iron Rubber Seat Lug Type Butterfly Valve

Performance Parameters

PN:PN1.0MPa,PN1.6MPa,150LB

DN:DN40~1200mm

Suitable temperature:≤100°C

Media:water,oil,gas

Main Parts Materials

Body:ductile iron/cast iron/stainless steel/cast steel

Disc:ductile iron/stainless steel

Stem:stainless steel/carbon steel

Seat:NBR/EPDM/PTFE

Actuator:handle/gear worm/electric/pneumatic

Executive Standard

Design and manufacture:GB/T12238-2008,API609

Flange connection dimension:GB/T9113.1,GB/T17241.6,ANSI B16.5

Test and inspection:GB/T13927,API598

Connection mode:Wafer

Main Dimensions

DN	A	B	C	d0	L	B1	&^.	ANSI D1 n-M		DIN PN10/PN16 D1 n-M		AS 2129 TABLEE D1 n-M
50	165	76	42	12.6	45	10	90^.	120.5	4-5/8''	125	4-M16	114	4-M16
65	178	89	45	12.6	45	10	90^.	139.5	4-5/8''	145	4-M16	127	4-M16
80	185	95	45	12.6	45	10	45^.	152.4	4-5/8''	160	4/8-M16	146	4/8-M16
100	202	114	51	15.77	45	12	45^.	190.5	8-5/8''	180	8-M16	178	8-M16
125	216	127	55	18.92	45	14	45^.	216.0	8-3/4''	210	8-M16	210	8-M16
150	227	139	55	18.92	45	14	45^.	241.5	8-3/4''	240	8-M20	235	8-M20
200	263	175	60	22.1	75	17	30^.	298.5	8-3/4''	295	8/12-M20	292	8-M20
250	294	203	67	28.45	75	22	30^.	362.0	12-7/8''	350/355	12-M20/M24	356	12-M20
300	338	242	76	31.6	75	22	30^.	432.0	12-7/8''	400/410	12-M20/M24	406	12-M24

Note: 1. For general supply,DN50~150comes as a handle type, but can also be fitted with a worm- gear device, for over DN150 the worm- gear type is used.

2. The yubber part part can also be made of EPDM or fluorine rubber.

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