Butterfly Valve Descriptions
Short neck, wafer-style body; 2
through 16-inch sizes
Dimensions Components
Recommended Service and Special Features:
General
on/off and throttling services from 1mm absolute vacuum to 175 psi (12
bar) cold working pressure at temperatures from -40º to 300º 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.
Short neck, notched body; 2- through 6-inch
sizes
Dimensions Components
Recommended service and special features
General on/off and throttling service from 1mm absolute vacuum to 175
psi (12 bar) cold working pressure at temperatures from -40º to 300º
F, depending on seat material.
Standard Model 12N is notched to fit between light weight
flanges.
Contact Thraco
for details.
Long neck, wafer body, 2- through 12-inch
sizes
Dimensions Components
Recommended service and special features
General on/off and throttling services from 1mm absolute
vacuum to 175 psi (12 bar) cold working pressure at temperatures from
-40º F to 300º 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
General
on/off and throttling services from 1mm absolute vacuum to 175 psi (12
bar) cold working pressure at temperatures from -40º F to 300º
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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