Cla-Val

Valves  

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Cla-Val Company
Check Valves

 

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Cla-Val Check Valves

Check Valves

Spec & Tech Sheets       

     

Model # 501A Wafer Swing Check Valve

Engineering Data Sheet Quick Manual       
501A Claval Wafer Swing Check Valve
Wafer Swing Check Valve

501A Wafer Swing Check Valve


Benefits & Features

Cla-Val Series 501A Wafer Swing Check Valve has a quick, spring-assisted closure that minimizes the possibility of water hammer.  The swing check design offers low head loss and a full-flow passageway making it ideal for water or wastewater applications.  The short lay length of the valve allows for a space-saving design.  It is available in sizes 2" to 30", with either a 125 lb. or 150 lb. pressure class rating.

 

 

Model # 580 Series Silent Wafer Check Valve

Engineering Data Sheet Quick Manual       
Silent Wafer Check Valve
580 Series Silent Wafer
Check Valve

580 Series Silent Wafer Check Valve


Benefits & Features

The Cla-Val Series 580 Silent Wafer Check Valve has a spring- loaded poppet that allows the valve to close before flow reversal occurs, resulting in a silent, non-slam closure. It is a truly silent check valve.  For ease of installation, the valve can be installed in vertical or horizontal positions with flow up or flow down. The short lay length of the valve allows for a space-saving design.  Silent Wafer Check Valves are available in sizes 2" to 10", with either a 125 lb. or 250 lb. pressure class rating.

 

 

Model # 581 Series Silent Globe Check Valve

Engineering Data Sheet Quick Manual       
Silent Globe Check Valve
581 Series Silent
Globe Check Valve

581 Series Silent Globe Check Valve


Benefits & Features

The Cla-Val Series 581 Silent Globe Check Valve has a spring- loaded poppet that allows the valve to close before flow reversal occurs, resulting in a silent, non-slam closure.

Constructed of a cast iron body with bronze trim, the Cla-Val Silent Globe Check Valve offers watertight shutoff with metal-to-metal seating.  For special applications, stainless steel trim is available and Buna-N®  resilient seats are available as options. 

 

     

Model # 582 Series Two-Door Wafer Check Valve

Engineering Data Sheet
Quick Manual
Parts List       
Two-Door Wafer Check Valve
582 Series Two-Door
Wafer Check Valve

582 Series Two-Door Wafer Check Valve


Benefits & Features

The Cla-Val Series 582 Two-Door Wafer Check Valve has torsion springs that force the two doors to shut before flow reversal, reducing the water hammer potential that normally occurs with single-door swing check valves.  To help reduce water hammer, the two-door design also reduces the travel distance from open to shutoff for a quicker response.  Extremely short in lay length, the valve is both a compact and an economical solution. 

Although lighter in weight than globe style swing check valves, Cla-Val Two-Door Wafer Check Valves are designed for heavy-duty applications.

 

 

Model # 81-02/681-02 Check Valve

Engineering Data Sheet
Technical Manual
Purchase Specs       
Quick Manual       
Model 81-02 Check Valve
81-02/681-02 Check Valve

81-02/681-02 Check Valve


Benefits & Features

The Cla-Val Model 81-02/681-02 Check Valve is a hydraulically operated No-Slam Check Valve with dual speed controls.  This valve opens when the pressure at the inlet exceeds the discharge pressure. A gradual rate of opening prevents sudden opening surges. When a pressure reversal occurs, the higher downstream pressure is applied to the cover chamber through the control tube lines, and the valve closes drip tight.

This valve is ideally suited for use where a positive shutoff is required. The rubber disc assures tight sealing even if the fluid contains grit or other small-size particles. The simple packless design insures reliable operation and freedom from leaks.

 

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