| Item | Forged Steel Single Disc Check Valve |
| Certification | ISO9001,ISO14001,ISO18001,TS,CE,API |
| Brand | VERVO |
| Model number | H71W-DN125-300LB |
| Port Size | 5'' DN125 |
| Structure type | Wafer Single Disc Type Check Valve |
| Pressure | 300LB |
| Temperature | -46-325degree |
| Connection form | WAFER |
| Material | Forging Steel Stainless Steel A182 F316 |
| Feature | Easy disassembly |
SINGLE DISC WAFER CHECK VALVES
VERVO Valves has very extended experience in manufacturing of Single
Plate Check Valves
Size: 2” up to 60”(DN 15 up to DN 1500)
Pressure Rating: ASME 150#,300#,600#,900#,1500#, 2500#
Materials: Carbon Steel, Low Temperature Carbon Steel, Stainless Steel, Duplex
Stainless Steel, Super Duplex Stainless Steel, Nickel Alloys, Nickel Aluminum Bronze, Hastelloy, Inconel Etc.
End Connection: Wafer Type, Wafer Lug Type
Specification
VERVO single plate swing type wafer check valve comes with a short
pattern sandwich type flangeless wafer body conforming to the API
6D and ASME B 16.10 face to face dimensions. The valve has a simple
but reliable and robust construction.
The wafer check valve is ideal for pump discharge duties. The
eccentric mounted hinge pin in combination with the disc seat
guarantees a positive shut off of the returning media. Wafer Check
Valves also available with Spring Loaded version on specific
request.
The short face to face dimensions and low weight allows a simple
space saving installation between the mating companion flanges. The
wafer check valves are suitable for mounting between weld neck or
slip on type companion flanges of different standards. The need for
flange gaskets during installation is totally eliminated due to the
in-built face sealing ‘O’ rings provided on the sealing face.
Material List
| NO. | Parts | MATERIALS |
| 1 | BODY | WCB | CF8 | CF8M |
| 2 | DISC | CF8 | CF8 | CF8M |
| 3 | NUT | 304 |
| 4 | SCREW SPRING | 304 |
| 5 | BOLT | 304 | 304 | 316 |
Dimension
| Size | d | L | D |
| 2" | DN50 | 25 | 15 | 104 |
| 2-1/2" | DN65 | 38 | 15 | 125 |
| 3" | DN80 | 46 | 16 | 140 |
| 4n | DN100 | 71.5 | 16 | 160 |
| 5" | DN125 | 95 | 17 | 185 |
| 6" | DN150 | 115 | 19 | 220 |
| 8" | DN200 | 140 | 26 | 270 |
| 10B | DN250 | 188 | 29 | 330 |
| 12B | DN300 | 216 | 38 | 380 |
Key Features
Very low face to face dimensions hence space required for mounting
is less than 10%of that conventional valves.
Very low weight-total weight is only approximately 1/6 the weight
of a conventional check valve.
Short wafer body enables mounting the valve with shorter length
fasteners of lesser number compared to flanged swing check valve.
Approximately 50% saving in cost of fasteners.
Considerable secondary advantages resulting in substantial savings
in handling, packing, transportation, installation and maintenance.
Saving in terms of overall length required for piping.
Tightening torque to be applied on the companion flange bolting is
lower due to face sealing O-rings.
Practically maintenance free due to fewer number of parts and
simple construction.
Self centering in pipeline due to controlled outside diameter,
enables easy installation.
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Valve
