Thin Type Single-Plate Wafer Check Valve

• Media: Oil
• Temperature: Low Temperature
• Material: Cast Steel
• Connection Form: Wafer
• Structure: Swing
• Pressure: Ordinary Temperature
• Model NO.: H77H
• Sealing Form: Gland Packings Globe Valve
• Flow Direction: Unidirection
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Color: Custom
• Transport Package: Plywooden Case
• Specification: 1" - 48"
• Trademark: Fly
• Origin: Zhejiang Province, China
• HS Code: 8481804090
• Production Capacity: 50000tons

Product Description

Thin Type Single-plate Wafer Check Valve

This thin type of single-plate wafer check valves are swing type, that performs the same with swing check valve with much less cost. The disadvantage of this single-plate wafer check valves is, the inside diameters of the valves can only meet 60-80% of Norminal Pipe Size(NPS),  which limits the flow coefficient.

Features of Thin Type Single-plate Wafer Check Valves:
One Piece Forged Steel Body
Short Face-to-face (Thin Type)
Reduced Bore, Swing Plate
Disc Spring Available
O-ring on Body Available

Applicable Standards of Thin Type Single-plate Wafer Check Valves:
a) Design&Manufacture:API 6D, API 594
b) Face to Face: API 6D, ASME B16.10, EN 558
c) Connection End: ASME B16.5, EN 1092, JIS B2220
d) Test and Inspection: API 6D, EN 12266, API 598

Sizes: 2" - 36" or DN50 - DN900
Pressure Rating: Class150 - Class600 or PN16 - PN100
Material of Valve Body: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc.

 

arts No.	Parts Name	Material
		WCB	CF8	CF8M
1	Body	A216 WCB	A351 CF8	A351 CF8M
2	Disc	A216 WCB / A351 CF8 / A351 CF8M
3	Body Seal	NBR / EPDM / VITON / PTFE
4	Seat	NBR / EPDM / VITON / PTFE / METAL / A.S. Overlay
5	Fix Bush	SS316
6	Socket Head Cap Screw	SS316
7	O-Bolt	A105	SS304

Note:

The chart above only lists out some common composition of steel single door wafer check valve parts. We may provide other different parts material composition according to the customer's request or the actual valve working condition.

 

Seat Material	Medium	Max. W,P. (Mpa)	Max. Temperature Range ( °C )
NBR	W.O.G	1.2	-10 °C to 90 °C
EPDM	W.O.G	1.2	-20 °C to 120 °C
VITON	W.O.G	1.2	-30 °C to 160 °C
PTFE	W.O.G	1.2	-30 °C to 200 °C
Metal	W.O.G & Others	1.5	Same as Body
Metal with Overlay	W.O.G & Others	1.5	Same as Body

 

NPS		L	∮d	∮D		NPS		L	∮d	∮D
inch	mm			10K	150 LB	inch	mm			10K	150 LB
1/2"	15A	14	8	55	47	6"	150A	20	113	220	220
3/4"	20A	14	9	60	56	8"	200A	27	142	270	278
1"	25A	14	12	70	66	10"	250A	29	190	325	340
1-1/4"	32A	14	16	80	76	12"	300A	35	211	370	409
1-1/2"	40A	14	21	85	85	14"	350A	38	260	415	448
2"	50A	14	30	104	104	16"	400A	45	306	475	510
2-1/2"	65A	14	43	124	124	18"	450A	55	358	530	548
3"	80A	14	50	134	134	20"	500A	65	408	580	605
4"	100A	18	72	155	174	22"	550A	70	450	640	657
5"	125A	18	93	190	190	24"	600A	70	485	690	715