Industrial Valves

Wafer Butterfly Valve

Description
A soft-seated, centric, wafer-type butterfly valve featuring one-piece stem and vulcanized rubber liner (injection-molded). The top flange complies with ISO 5211. Thanks to the meticulous vulcanization process of the liner, the valve is suitable for negative pressure (vacuum) applications.
Suitable Media:Oil, Gas, Seawater and freshwater
Temperature Range:-35℃ to 95℃
Actuator Type:Lever, Handwheel, Square nut, Pneumatic and Electric

product details

Specification

Norminal diameter

DN40-DN1000

Pressure Rating

PN6 PN 10 PN 16 PN25
ANSI 150

Structure Length

EN 558-1 Series 20

Inspection & Test

EN 12266-1

Material List

No.

Part

Material

Body

Ductile iron /WCB/CF8M

Disc

C95400/CF8M/1.4462

SS316

Sealing Components

NBR/EPDM/FKM/PTFE

Stem

SS430/316/1.4462

Main DimensionsUnit:mm

DN	Pressure Rating	L	H2	H1	D	E	H
40	PN25	33	113	66	F07	11	19
50	PN25	43	118	71	F07	11	19
65	PN25	46	126	80	F07	11	19
80	PN25	46	113	88	F07	11	19
100	PN25	52	147	106	F07	11	19
125	PN25	56	160	118	F07	14	19
150	PN25	56	180	140	F07	14	19
200	PN25	60	204	167	F07	17	25
250	PN25	68	245	203	F10	22	30
300	PN25	78	270	228	F10	22	30
350	PN25	78	315	288	F12	27	30
400	PN 16	102	350	305	F12	27	30
450	PN 16	114	375	335	F14	36	38
500	PN 16	127	415	379	F14	36	38

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