The Vatac Non-slam Check Valves are
designed and manufactured to ensure low leakage to international standards,
Extensive base line laboratory testing (static and cycle testing) has been
performed establishing critical design parameters necessary to achieve low
emission sealing in the Vatac Cast Iron non-slam Checks, In-house testing
procedure has been developed and is periodically performed to ensure that
standard product design and manufacturing criteria consistently result in the Vatac
cast iron check Valve meeting a maximum of leakage prior to shipment.
The Vatac Silent or Non Slam Check Valve is the valve of
choice in applications when silent operation and cost are of major concern. Its
short linear stroke and spring return action combine to close the valve prior
to flow reversal. This effectively eliminates the shock and water hammer
normally associated with the sudden stoppage of a reverse flow. Its silent
operation and low purchase price have made it a favorite of engineers in clear
liquid applications.
THE
VATAC NON-SLAM CHECK VALVES DESIGNING FEATURES
» Double Guided Disc
» Large Bearing Surfaces
» Cast Iron Body / Bronze of Stainless Steel Trim
» Silent Operation with Low Head Loss in a Compact Wafer Body
» Specially Designed Spring Controls The Closure of Vatac Silent Check
Valves
» Water Hammer and Damaging Shock Reducing Efficiently
» Easily Replaceable Parts and Bronze Bushing
» Optional
Counterweight or Bypass Devices
» Functions Equally Well in All Positions
» Drop-Tight Seating
» API 6D, ASME B16.34, DIN 3202
» ASME B16.10, BS EN558
» ASME B16.1 CLASS 125, ASME B16.5 CL150, EN1092, EN12226,
BS 2532-2533, ISO 5208, API 598
» Sizes: 2" thru 40"
» Body Styles: End connections Wafer or Flanged Ends
» Pressure Class: ASME #150 thru ASME #1500
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