Bronze Y-Pattern

Bronze Y-Pattern

Legend Y-pattern check valves are constructed of heavy duty bronze. They have a screwed cap, swing type disc, and integral seat. The Y-pattern design has excellent full flow characteristics and can be installed vertically or horizontally. Recommended for preventing backflow in commercial and industrial applications.

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DESCRIPTION       
1/2" Bronze Y-Pattern Check   
3/4" Bronze Y-Pattern Check   
1" Bronze Y-Pattern Check   
1-1/4" Bronze Y-Pattern Check   
1-1/2" Bronze Y-Pattern Check   
2" Bronze Y-Pattern Check   

 
Flanged Iron Body

Flanged Iron Body

These valves may be installed in both horizontal and vertical lines, with upward flow, or in any intermediate position.

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DESCRIPTION       
2" Flgd. Iron Body Check Valve   
2-1/2 Flgd. Iron Body Check Va   
3" Flgd Iron Body Check Valve   
4" Flgd. Iron Body Check Valve   
6" Flgd. Iron Body Check Valve   

 
Double

Double

A double check valve, or double check assembly (DCA), is a backflow prevention device designed to protect water supplies from contamination. In the case of usage in water supply, it consists of two check valves assembled in series. This employs two operating principles, first one check valve will still act, even if the other is jammed or stuck open. Second the closure of one valve reduces the pressure differential across the other, allowing a more reliable seal and avoiding even minor leaks.

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Reduced Pressure

Reduced Pressure

These valves differ from the regular double check valves in that they are used for higher risk applications. This means they are used for applications in which backflow could cause contamination, or other high risk problems.

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DESCRIPTION       
1" RPZ Backflow w/Ball Valve   

 
Brass Swing

Brass Swing

This is a tee style brass swing check valve. It is for use on a line that can only have one direction of flow. Both ends are FIPT, or female iron pipe thread.

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DESCRIPTION       
1-1/2" Brass Swing Check   
2" Brass Swing Check   
2-1/2" Brass Swing Check   
3" Brass Swing Check   
4" Brass Swing Check   

 
Stainless Steel Swing

Stainless Steel Swing

A spring check valve in which the closing member, the movable part to block the flow, is a spherical ball. In some ball check valves, the ball is spring-loaded to help keep it shut. For those designs without a spring, reverse flow is required to move the ball toward the seat and create a seal. The interior surface of the main seats of ball check valves are more or less conically-tapered to guide the ball into the seat and form a positive seal when stopping reverse flow.

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DESCRIPTION       
1/2" 316 200#SwingChk ValveTxT   
3/4" 316 200#Swing ChkValveTxT   
1" 316 200# SwingChk Valve TxT   
1-1/4" 316 200#SwngChk ValvTxT   
1-1/2" 316 200#SwngChk ValvTxT   
2" 316 200# Swing Chk ValveTxT   

 
 
 

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O'TOOL INDUSTRIES, Pipe, Lubbock, TX