Check Valve: Ductile Iron - Class 150/300 - Silent Wafer Style
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Check Valves
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Sizes:
2" ~ 24"
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Ductile Iron
Body
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Center Guided
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Wafer Body Type
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Dual Pressure
Service (Sizes 2" ~ 6"
Only)
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Model:
CV 90-DI
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Bronze or Stainless Trim
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Buna or Viton Seat
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Silent
Shut-Off
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Prevents Water
Hammer
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Minimal Head
Loss
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WORKING
PRESSURE & TEMPERATURE
NON-SHOCK |
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WOG:
(Class 150 lb) |
250 PSI @
100 F |
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WOG: (Class 300 lb)
(Sizes: 2" ~ 6" Only) |
640 PSI @
100 F |
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Ductile Iron check valves offer
higher pressure ratings than Cast
Iron check valves. For example,
Ductile Iron check valves (2"
~ 24") are rated at 640 PSI WOG. By
comparison, Cast Iron check valves
(2" ~ 12") are rated at 500
PSI WOG and (14" ~ 24") are
only rated at 300 PSI WOG. |
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Silent shut-off is achieved via the fully
automatic, spring-assisted, double-guided disc
that closes at zero flow velocity
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Short travel distance and quick closure of the disc
helps to eliminate
water hammer by creating a positive shutoff
prior to flow reversal
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Head loss is minimized by providing a large
cross-sectional area which exceeds that of the
adjacent pipeline
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Ductile iron body maintains the anti-corrosive
properties of cast iron while achieving a yield
strength comparable to carbon steel
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Can be installed in any position (horizontal or
vertical with upward flow) - consult factory for
vertical with downward flow
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Available with aluminum bronze or stainless
steel trim.
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Buna and Viton resilient soft seats are
available.
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Ideal Solution for Pump Discharge Service in Municipal Water,
Irrigation, and Industrial Class HVAC Systems
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