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Conbraco 4V-505-02 PVB - 1 inch Pressure Vacuum Breaker



Conbraco 4V-505-02 1 Inch PVB - Pressure Vacuum Breaker 
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Click here for additional info on Conbraco PVB
Click here for additional info on Conbraco PVB
 
The Conbraco Series 4V-500 Pressure Vacuum Breaker (PVB)

Overview

Designed to protect against back siphonage in a continuous pressure installation. Includes Ball Valves. Protects the performance of irrigation systems in even the coldest conditions. Designed with plastic float and integral relief valve that vents automatically. Bottom test cock assures easy draining.

Features
  • Replaceable check valve cartridge
  • Apollo ball valves standard
  • 150 psig maximum working pressure
  • Comes standard with Apollo full port ball valves with stainless steel handles
  • Operating temperature range 33F-180F
  • ASSE 1020, CSA B64.1.2 and USC FCCC & HR approved
  • Designed, manufactured, assembled and tested in South Carolina, USA

 

Operation

During normal flow conditions, the check valve remains open and the float seals on the cap assembly. As the line pressure falls to 1 psi, the spring loaded atmospheric vent valve opens, breaking the vacuum and thereby preventing back-siphonage. In the event of exposure to freezing temperatures, a spring loaded relief valve in the cap assembly protects the PVB body and internal components from damage. As the ambient temperature increases above freezing, the relief valve automatically reseats. During normal conditions, the relief valve will not discharge.

 

Approvals:

The Series 4V-500 is approved under ASSE 1020, CSA B64.1.2 and USC's FCCC&HR.  Contact local water authorities for installation/service requirements.

 

Materials:

Part Materials
Body Bronze
Canopy Powder Coated Steel
Cap Acetal
Check Valve Acetal
Float Acetal
Springs Stainless Steel
Test Cocks Brass

The Conbraco Series 4V-500 Pressure Vacuum Breaker (PVB) is designed to prevent contamination of the potable water supply due to back-siphonage. The PVB is ideally suited for continuous pressure, outdoor applications such as irrigation equipment, livestock watering systems, swimming pools, etc. The device consists of a unique one piece cap/float assembly and independently acting check valve, all attractively packaged in a rugged yet compact bronze body. All components are made of corrosion resistant materials, guaranteeing years of reliable service.

 



4V-505-02

Weight: 8.20 lbs

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