Disc Check Valve

Conformity To Standard & Codes

Design & Manufactuting	DIN EN 558-2
Inspection & Testing	API 598 / BS 6755 Part-1
Valve Face to Face	DIN EN 558-2
End Connection	Sandwich between ANSI B16.5

Design Features

Size Range	15 NB to 150 Nb
Pressure Rating	PN 25 / PN 40
Seak Leakage	Class IV (Metal Seated) Class VI (Zero leakage in soft seat)
Operation	Self Acting
Operating Temp.	-25° C to 200° C Technical

Technical Specification

Body & Disc: ASTM A215 Gr. WCB / ASTM A351 Gr. CF8 / CF8M Disc : ASTM A215 Gr. WCB / ASTM A351 Gr. CF8 / CF8M Spring : SS304, SS316 Lock Plate : SS304, SS316 Seat : Metal to Metal / PTFE (On Request)

Sailent Features

→ Investment Casting Construction. → Compact & Rugged Design. → Stronger, Lighter and Smaller than Conventional Swing Check Valve, Hence Less Expensive to Install and Maintain. → Single Disc Type. → Spring Loaded Disc to Prevent Reverse Flow in Pipe Lines. → Easy To Installation between Two Pipe Flanges. → Metal To Metal or Soft Seat (On Request). → Maintenance Free Design. → Zero Leakage (In Soft Seat). → Full Port Opening. → Wafer, Flangeless, Sandwich Type. → Spring Loaded Disc to Prevent Reverse Flow in Pipe Lines. → Easy To Installation between Two Pipe Flanges. → Shorter Length, Required minimum space.

All Dimensions are in mm Unless Specified (150#)

Size(mm)	A	B	C	D	H
15	12.5	28.5	37.5	39	16
20	20.5	36	45.5	47.5	20
25	23	44	54.5	57	23
40	38	60	75.5	78	32
50	50	77	93	94	40
65	64	93	108	110	47
80	79	114	127	129	50
100	99	132	147	154	61

Applications

Oil Refineries

Chemical & Solvent Industries

Petro Chemical Industries

Compressed Air Line

Gas Industries

Water Line Process

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Unitech Valve, with its accomplished trained professionals, spends significant time in assembling modern valves and offers specialized help and one-stop answers for the worldwide market.

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