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  2. Pipeline Accessories 4 Products available
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  4. Separators & Strainers 12 Products available
  5. Pet And Farming Animals 12 Products available
  6. Flush Bottom Outlet Valve 5 Products available
  7. Chemical Reactors & Process Tanks 4 Products available
  8. Valves & Valve Fittings 61 Products available
  9. Measurement Gauges & Fittings 4 Products available
  10. Others 114 Products available

Pipeline Accessories

PVB Pressure Vacuum Breakers

  • Sizes 3/4", 1", 1-1/4", 1-1/2" and 2"
The PVB pressure vacuum breaker is designed for installation on potable water lines to prevent contaminated water back-siphonage into the potable water supply. Assembly shall provide protection against back-siphonage where a potential health hazard exists.
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Hose Connection Vacuum Breaker

  • Sizes 3/4"
Prevents dangerous back-siphonage and backflow into a potable water supply. All-brass construction with threaded connections, neoprene seat disc, rubber washer, and steel set screw. The V-3 is equipped with a protruding "tip" device for manual draining of faucet (after hose removal) preventing freezing. Maximum pressure is 125 psi; maximum temperature is 180F (82C). The V-3 is available chrome-plated (V-3C) on special order.
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Self-draining Hose Connection Vacuum Breaker

  • Sizes 3/4"
Prevents dangerous back-siphonage; automatically self-drains when all attachments are removed completely from the valve's outlet. Protects the valve and faucet from freezing and rupturing in cold weather. Constructed with brass body and adapter. Buna O-ring and seat disc, steel set screw, stainless steel springs and the highest quality molded parts.
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Atmospheric Type Vacuum Breakers

  • Sizes 1/2", 3/4" and 1"
Female connections, bronze body, and silicone seat. Designed for maximum intermittent water pressure of 125 psi. Suitable for temperatures up to 212F (100C). Not for continuous pressure use. A polished chrome model is also available (up to 1" size only). All models comply with ASSE Standard 1001, listed by IAPMO, and approved in all major cities and states.
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  • (Spence Control Engineering Dist. - M & M Control)
  • Grayslake, IL 60030 map, United States
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