AAP Dual Disc Wafer Check, 2"

This AAP dual disc wafer check valve has a WCB cast steel body, 304 stainless steel discs and a Viton seat. It is supplied in 3 sizes from 2" (50mm) to 4" (100mm). A dual disc wafer check valve has two half-discs on a central pin, held shut by a spring. Forward flow pushes them open and the spring closes them as flow stops or reverses. The valve is short and light and fits between two pipe flanges.

The maximum working temperature is 150°C and the cold working pressure is 1,965 kPa (19.65 bar), with flanges to ANSI B16.5.

Where this product is used

• Preventing reverse flow after a pump stops
• Water, oil and gas lines between ANSI 150 flanges
• Higher temperature duty than an NBR seat allows
• High pressure liquid lines

Features

• 3 sizes from 2" (50mm) to 4" (100mm)
• WCB body, 304 stainless steel discs, Viton seat
• Flanges to ANSI B16.5, ANSI 150
• Cold working pressure 1,965 kPa (19.65 bar), maximum 150°C
• Suits water, oil, gas and high pressure liquids
• 3 sizes: 2", 3" and 4"

Key specifications

Choosing the right option

Choose the size to match your ANSI 150 flanges, and check that Viton suits your fluid.

Related AAP products: AAP Wafer Check Valve, Dual Disc, Cast Iron, NBR Seat, AAP Stainless Steel Wafer Check Valve, Dual Disc, Viton Seat, ANSI 150, AAP Wafer Check Valve, Single Disc, Cast Iron, EPDM Seat, AAP Resilient Seat Swing Check Valve, Flanged, Table E.