Check valves

Check Valve DataSheet

 

Features:

1. Grooved end connections.
2. Compact, lightweight design.
3. Non–slamming, spring loaded clapper to minimize water hammer.
4. Approved for horizontal and vertical installation.
5. Streamlined body design provides very low friction loss.
6. Elastomer faced clapper provides leak–free, non–sticking sealing.

Sizes

Available sizes are 2½” (65 mm), 76 mm 3” (80 mm), 4” (100 mm), 6” (150 mm), 165 mm & 8” (200 mm)

Valve Description:

1. Rated working pressure 250 psi (17,25 bar).
2. Factory hydrostatic test pressure 500 psi (34,5 bar).
3. Friction loss, expressed in equivalent length of Sch. 40 pipe with C = 120 (based on Hazen and Williams formula):
2½” (65 mm) & 76 mm – 7 ft (2.13 m)
3” (80 mm) – 7 ft (2.13 m)
4” (100 mm) – 10 ft (3.05 m)
6” (150 mm) & 165 mm – 16 ft (4.88 m)
8” (200 mm) – 15.9 ft (4.85 m)
4. Standard grooved end dimensions per ANSI/AWWA C606