Wafer Type · Rubber Lined · Compact Design

Compact Wafer Butterfly Valves with Rubber Liner for Versatile Pipeline Installation

PN10/PN16, 125LB/150LB, JIS10K — sizes 1-1/2″ to 40″ (40~1000mm), available in ductile iron, carbon steel, stainless steel, and aluminum bronze with epoxy coating ≥250μm.

Overview

Wafer butterfly valve rubber lined is one type of central lined butterfly valve, which is one normal type of butterfly valve in need of big quantity. It is mounted between two matching flanges of the piping with bolts & nuts. According to actual piping conditions, wafer type butterfly valve can be manufactured according to different flanges standards, such as ASME B16.1, EN1092, AS2129, DIN2501, BS4504, JIS10K, GB 17241.6. Wafer butterfly valve can be mounted on the piping end as exhaust valve. Flowspec Luokai can produce the wafer butterfly valve rubber lined in accordance with EN593, API609 and ASME B16.34. Welcome to contact us for detailed information and best quotes if you have any questions or inquiries.

1. Features

Simple and compact construction
Small in size and light in weight
Quick 90° on-off operation, low torque
Good sealing capability, no leakage

2. Technical Specifications

PN10 / PN16 / 125LB / 150LB / JIS10K / 150PSI / 200PSI
Size: 1-1/2″ ~ 40″ (40~1000mm)
Materials: A126 B (GG25), A536 65-45-12 (GGG40), A216 WCB, S.S.304(CF8), S.S.316(CF8M), B148 C954
Epoxy coating with thickness ≥ 250μm
Applicable medium: water, sewage, sea water, air, corrosive liquids
Applicable temperature: -45℃ ~ +150℃ (higher temperature is available upon request)

3. Standards

Design & manufacturing: ASME B16.34, EN593, API609
Face to face: ANSI B16.10, EN 558-1, API609
Matching flanges: ANSI B16.1, EN 1092, JIS10K, AS 2129
Top flange: ISO 5211
Inspection & testing: API598, GB13927

4. Applications

Water works, water projects
Environment protection
Public facilities
Power plant
Building industry, real estate
Petroleum, chemical industry
Steel work, metallurgy
Paper plant
Food & beverage
Water treatment plant

Wafer Butterfly Valve Rubber Lined — Structure

Wafer Butterfly Valve Rubber Lined — Dimensions

Wafer Butterfly Valve Rubber Lined — Cutaway

Parts and Materials

No.	Part	Material
1	Body	C.I., D.I., WCB, ALB, CF8 (S.S.304), CF8M (S.S.316)
2	Disc	D.I., CF8 (S.S.304), CF8M (S.S.316), ALB, DupleX S.S., Hastelloy Alloy, Monel
3	Stem	SUS416, SUS304, SUS316, SUS431, 17-4PH
4	Seat	NR, NBR, EPDM, VITON
5	Taper pin	SUS416, SUS316, SUS431, 17-4PH
6	Bushing	Bronze, PTFE
7	O-Ring	NBR, EPDM
8	Key	45#, 1045
9	Bearing	Bearing Steel
10	End cover	C.I., WCB, CF8 (S.S.304), CF8M (S.S.316)
11	Bolt	Q235, Gr.33, 35#, 1035, SUS304
12	Hex. screw	Q235-A, Gr.33

Main Connection Dimensions

DN	A	B	C	D	L	H	D1	n-Ø	K	E	n1-Ø1	Ø2	G	n2-M	f	J	X	Weight
40	145	70	33	43	28	77.77	110	4-18	65	50	4-7	12.6	100	–	13	13.8	3	2.3
50	161	80	43	53	28	84.84	120	4-23	65	50	4-7	12.6	100	–	13	13.8	3	2.8
65	175	89	46	64	28	96.2	136.2	4-26.5	65	50	4-7	12.6	120	–	13	13.8	3	3.5
80	181	95	46	79	28	61.23	160	8-18	65	50	4-7	12.6	127	–	13	13.8	3	3.7
100	200	114	52	104	28	70.8	185	4-24.5	90	70	4-10	15.77	156	–	13	17.77	5	5.4
125	213	127	56	123	28	82.28	215	4-23	90	70	4-10	18.92	190	–	13	20.92	5	7.7
150	226	139	56	156	28	91.08	238	4-25	90	70	4-10	18.92	212	–	13	20.92	5	9.3
200	260	175	60	202	38	112.89	295	4-25	125	102	4-12	22.1	268	–	15	24.1	5	14.5
250	292	203	68	250	38	92.4	357	4-29	125	102	4-12	28.45	325	–	15	31.45	8	23
300	337	242	78	302	38	105.34	407	4-29	125	102	4-12	31.6	403	–	20	34.6	8	36
350	368	267	78	333	45	91.11	467	4-30	150	125	4-14	31.6	436	–	20	34.6	8	45
400	400	325	102	390	51	100.47	515	4-26	175	140	4-18	33.15	488	–	22	36.15	10	65
450	422	345	114	441	51	88.39	565	4-23	175	140	4-18	37.95	536	–	22	40.95	10	86
500	480	378	127	492	57	86.99	620	4-26	175	140	4-18	41.15	590	–	22	44.15	10	113
600	562	475	154	593	70	113.42	725	20-30	210	165	4-22	50.62	816	–	22	54.65	16	209
700	624	543	165	695	66	109.65	840	24-30	300	254	8-18	63.35	895	–	30	71.4	18	292
800	672	606	190	795	66	124	950	24-33	300	254	8-18	63.35	1015	–	30	71.4	18	396
900	720	670	203	865	110	117.57	1050	24-36	300	254	8-18	75	1115	4-M30	34	84	20	520
1000	800	735	216	965	135	129.89	1160	24-36	300	254	8-18	85	1230	4-M33	35	95	22	668
1200	941	878	254	1160	150	135.26	1380	28-39	350	298	8-22	105	1455	4-M36	35	117	28	1080