Description

Investment Casting Wafer Type Check Valve (Flap NRV) – SS 304 / SS 316 – Specifications & Price

The Investment Casting Wafer Type Check Valve (Flap NRV) – SS 304 / SS 316 is made by Universal Valves Pvt. Ltd., Ahmedabad, part of the Universal Group, which has manufactured industrial valves since 1972. A wafer type check valve (flap NRV) uses a hinged flap that opens with forward flow and closes on flow reversal, in a slim body that fits between two flanges.

Investment (lost wax) casting gives a dense, smooth body with accurate dimensions and a fine surface finish. CF8 is the cast equivalent of SS 304 and CF8M the cast equivalent of SS 316. CF8M contains molybdenum for better resistance to chlorides, acids and pitting.

Available in sizes 25 mm to 800 mm. Choose material from CF8 (SS 304), CF8M (SS 316). Select your size and options above to see the price per piece.

Key Features

  • Slim wafer body – fits between flanges
  • Hinged flap closes automatically on reverse flow
  • Low pressure drop
  • Wide size range

Technical Specifications

Type Wafer type flap / swing check valve
Body CF8 (SS 304) / CF8M (SS 316) – investment casting 25–250 mm; barstock or sand casting 300–800 mm
Disc SS 304 / SS 316
Mounting Wafer type – fits between flanges
Size Range 25 mm to 800 mm
Material Options CF8 (SS 304), CF8M (SS 316)
Testing Hydrostatic shell & seat test, generally to API 598
Manufacturer Universal Valves Pvt. Ltd., Changodar, Ahmedabad, Gujarat, India

Applications

Typical uses include water supply, pump discharge, cooling water, HVAC and effluent lines. Investment Casting construction is widely used in chemical, pharmaceutical, food & beverage, dairy, water treatment and general process industries.

Pricing & Ordering

  • Prices are per piece in Indian Rupees, ex-works Ahmedabad.
  • GST extra: 18% IGST, or 9% CGST + 9% SGST within Gujarat.
  • Packing & forwarding: 1.5% extra.
  • Third-party inspection, if required: 5% extra.
  • Test certificates and material test certificates are available on request.

For special sizes, materials, pressure ratings, drilling standards or actuation, contact our sales team – custom valves are made to your drawing or specification.

Additional information

Size

25 mm, 40 mm, 50 mm, 65 mm, 80 mm, 100 mm, 125 mm, 150 mm, 200 mm, 250 mm, 300 mm, 350 mm, 400 mm, 450 mm, 500 mm, 550 mm, 600 mm, 650 mm, 700 mm, 800 mm

Material

CF8 (SS 304), CF8M (SS 316)

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