Figure 340 Plain Swing Check Valve
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This “plain” swing check valve has no outside closure devices and can be direct buried. It has a cast iron body for up to 175 PSI (1,207 kPa) working pressure and bronze metal-to-metal seating and is available from 3” (DN80) to 16” (DN400) with ANSI Class 125 flanged ends and meets the AWWA C508-01 standardized laying length.
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Figure 340-S Outside Lever & Spring Swing Check Valve
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The Figure 340-S is standard with ductile iron body and cover rated for 250 PSI (1,274 kPa) working pressure from 3” (DN80) to 30” (DN750) size, bronze body seat, stainless steel hinge shaft and rubber faced ductile iron disc for drop tight shutoff. The lever & spring can be adjusted to close the valve even more quickly than the lever & weight. The Figure 240-S meets the standardized face-to-face length of AWWA C508-01.
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Figure 340-W Outside Lever & Weight Swing Check Valve
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The Figure 340-W is standard with ductile iron body and cover rated for 250 PSI (1,274 kPa) working pressure from 3” (DN80) to 30” (DN750) size, bronze body seat, stainless steel hinge shaft and rubber faced ductile iron disc for drop tight shutoff. The lever & weight provides a quicker closure and is less likely to be slammed shut than a plain check valve. The Figure 240-W meets the standardized face-to-face length of AWWA C508-01.
Standard Valve O & M Standard Valve Data Sheets Standard Valve Drawings Get Specification
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