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Butterfly Valve Descriptions

Model 12 

Short neck, wafer-style body; 2 through 16-inch sizes

Dimensions   Components

Recommended Service and Special Features:

Weco Model 12 Butterfly ValvesGeneral on/off and throttling services from 1mm absolute vacuum to 175 psi (12 bar) cold working pressure at temperatures from -40 to 300  F, depending on seat material.

 14- to 16 inch sizes limited to 150 psi (10 bar) cold working pressure.

 All Model 12 valves are self-centering and mount between 125 lb or 150 lb ANSI flanges.

 Model 12 bodies can be notched to fit between special flanges.  Special materials are available to meet 285 PSIG--consult factory for details.

Contact Thraco for details.

 

Model 12 N

Short neck, notched body; 2- through 6-inch sizes

Dimensions  Components

Recommended service and special features

Weco Model 12 N Butterfly Valve

General on/off and throttling service from 1mm absolute vacuum to 175 psi (12 bar) cold working pressure at temperatures from -40 to 300 F, depending on seat material.

 Standard Model 12N is notched to fit between light weight flanges.

Contact Thraco for details.

 

 

 

Model 22 Butterfly Valves

Long neck, wafer body, 2- through 12-inch sizes

Dimensions  Components

Recommended service and special features

Weco Model 22 Butterfly Valve

General on/off and throttling services from 1mm absolute vacuum to 175 psi (12 bar) cold working pressure at temperatures from -40 F to 300 F, depending on seat material.  

All Model 22 valves mount between 125 lb to 150 lb ANSI flanges.  

Neck length allows for 3-inches pipe insulation.

Contact Thraco for details.

 

 

 

Model 22L Butterfly Valves

Long neck, lug body; 2- through 24-inch sizes

Dimensions Components

Recommend service and special features

Weco Model 22 L Butterfly ValvesGeneral on/off and throttling services from 1mm absolute vacuum to 175 psi (12 bar) cold working pressure  at temperatures from -40 F to 300 F, depending on seat material.  

Tapped lugs allow independent upstream or downstream bolting to 125 lb or 150 lb ANSI flanges. 

 Neck allows for 3-inches pipe insulation.  Special materials are available to meet 285 PSIG. 

Contact Thraco for details.

 

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