Spring Loaded Disc Check Valve

Wafer Type Spring Loaded Disc Type Non Return Valve
Flangeless, Sandwich Type Check Valves

Cast Heavy Duty Body as per Design Standard – DIN EN 558-2
End Connection – Flangeless, Sandiwch Pattern, Wafer Type
Pressure Rating – 150# / 300# / PN10 / PN16 / PN 25

Disc Check Valve – Model Series: NDC15

Disc Check Valve Manufacturing Size Range: DN15/15mm/Half Inch, DN20/20mm, DN25/25mm/1″/One Inch, DN32/32mm/1-1/4″/One and Quarter Inch, DN40/40mm/1-1/2″/One and Half Inch, DN50/50mm/2”/Two Inch, DN65/65mm/2-1/2”/Two and Half Inch, DN80/80mm/3”/Three Inch, DN100/100mm/4”/Four Inch, DN125/125mm/5”/Five Inch, DN150/150mm/6”/Six Inch Size.

Nivz Spring Loaded Disc Check Valves – Non Return Valve feature a wafer type, compact and rugged design Cast Carbon Steel (ASTM A 216 GR. WCB) or Stainless Steel (ASTM A 351 GR. CF8/CF8M/CF3/CF3M/SS304/SS316/SS304L/SS316L) construction and are suitable for any process liquid, air, gas, steam etc.

The Single Disc Check Valve (Wafer Type Single Disc Check Valve) consists of four main components: the body, a disc, a star guide and a spring. The Disc check valves are opened by the pressure of fluid and closed through compression spring as soon as flow stops thus preventing reverse flow.

The design of Wafer Design, Sandwich Type, Flangeless Single Disc Spring Loaded Check Valves allows them to be installed between any flanges of different standard and in any position; including vertical pipelines where the fluid flows downwards.

Wafer Type Spring Loaded Disc Check Valves is also available with Zero Leakage by the use of Soft Seat. Nivz Valves & Automation has cover Disk Check Valve up to 6” (DN150) Size and Pressure Rating up to PN40.

Nivz Valves a leading Spring Loaded Disc Check Valve Manufacturer, Disc Check Valve Exporter, Stockist, Importer, Supplier. Flangeless – Wafer – Sandwich Type Disco Check Valves, Non Return Valve – NRV.

Salient Features of Disc Check Valve

Investment Casting Body 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 option
Maintenance Free Design
Zero Leakage (In Soft Seat)
Full Port Opening
Less Pressure Drop
Wafer, Flangeless, Sandwich Type
Shorter Length, Required minimum space
Offer any 3rd Party or Client Inspection

Features	Specifications
Design Standard:	DIN EN 558 - 2
Inspection & Testing Standard:	BS EN ISO 12266 - I (BS 6755 - I) / API 598 / ISO 5208
Face To Face Distance:	DIN EN 558 - 2
End Connection:	Wafer Type, Flangeless, Sandiwch Pattern Suitable to mount between two flanges.
Manufacuring Size Range:	1/2" (DN15) to 6"(DN 150)
Pressure Rating of Valve:	150# / PN 10 / PN 16 / PN 25
Valve Seat Leakage :	Leakage Class IV (Zero Leakage) Leakage Class VI (Zero Leakage in Soft Seal)

Features

Specifications

Design Standard:

DIN EN 558 - 2

Inspection & Testing Standard:

BS EN ISO 12266 - I (BS 6755 - I) / API 598 / ISO 5208

Face To Face Distance:

DIN EN 558 - 2

End Connection:

Wafer Type, Flangeless, Sandiwch Pattern
Suitable to mount between two flanges.

Manufacuring Size Range:

1/2" (DN15) to 6"(DN 150)

Pressure Rating of Valve:

150# / PN 10 / PN 16 / PN 25

Valve Seat Leakage :

Leakage Class IV (Zero Leakage)
Leakage Class VI (Zero Leakage in Soft Seal)