Industrial Valves

Dual Plate Check Valve

Description

Wafer-style dual plate check valve featuring NBR-lined ductile iron body, springloaded design with soft-seated aluminum bronze plates.
Suitable Media：Oil, Seawater and freshwater
Temperature Range: -20℃ to 180℃

product details

Specification

Norminal Diameter

DN 50-DN700

Pressure Rating

PN 10 PN 16

Design & Manufacture

API 594

Flange Dimensions

DIN 2501

Face To Face

ISO 5752 Series 16

Inspection & Test

API 598

Material List

Part

Material

Body

GGG40

Plate

C95400

Spring

Inconel

Hinge Pin

Monel

Stop Pin

Monel

Plug

Steel

Body Bearing

PTFE

Spring Bearing

PTFE

Body Seat

NBR

Main DimensionsUnit:mm

DN	Pressure Rating	øD	øD1	L	R	T
50	PN 16	107	65	43	28.8	19
65	PN 16	127	80	46	36.1	20
80	PN 16	142	94	64	43.4	28
100	PN 16	162	117	64	52.8	27
125	PN 16	192	145	70	65.7	30
150	PN 16	218	170	76	78.6	31
200	PN 16	273	224	89	104.4	33
250	PN 16	328	265	114	127	50
300	PN 16	378	310	114	148.3	43
350	PN 10	438	360	127	173	45
400	PN 10	489	410	140	198	52
450	PN 10	539	450	152	217.8	58
500	PN 10	594	505	152	241	58
600	PN 10	695	624	178	292	73

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