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B16.25 Butt Weld End Globe Valve Disc Type Accurate With Manual Operation

B16.25 Butt Weld End Globe Valve Disc Type Accurate With Manual Operation
B16.25 Butt Weld End Globe Valve Disc Type Accurate With Manual Operation
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  • Product Model: J61Y
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B16.25 Butt Weld End Plug Disc Manual Operation BS 1873 Globe Valve
 
 
TEKO GLOBE VALVES
 
Globe valves are suited for service where Throttling is required. Globe valve flow characteristics allow accurate and repeatable flow control. Caution should be taken to avoid very close throttling when the pressure drop exceeds around 20%. This close throttling can lead to excessive noise or vibration and can result in damage to the valves and other piping system components.
 
ANSI STANDARDS - AMERICAN NATIONAL STANDARDS INSTITUTE

B1.1 Unified Screw Threads
B1.5 Acme Screw Threads
B1.8 Stub Acme Screw Threads
B1.12 Class 5 Interference - Fit threads
B2.1 Pipe Threads
B16.5 Steel Pipe Flanges, and Flange Fittings
B16.10 Face to Face and End to End Dimensions of Ferrous Valves
B16.11 Forged Steel Fittings, Socket Welding and Threaded
B16.20 Ring-Joint Gaskets and Grooves for Steel Pipe Flanges
B16.21 Non-metallic Gaskets for Pipe Flanges
B16.25 Buttwelding Ends
B16.34 Steel Valves
B18.2.2 Square and Hex Nuts
B31.1 Power Piping
B31.2 Fuel Gas Piping
B31.3 Petroleum Refinery Piping
B31.4 Liquid Petroleum Transportation Piping Systems
B31.5 Refridgeration Piping Systems
B31.6 Chemical Process Piping
B31.7 Nuclear Power Piping
B31.8 Gas Transmission and Distribution Piping Systems
B36.10 Wrought-Steel and Wrought-Iron Pipe

 
 
Mateiral Selection
 

ASTM Classifi cation

Service conditions

A216  WCB

For use in service up to  537°C)assuming corrosion and oxidation are not a factor (1)(2)

A217  C5

For use in service up to  649° . Offers good corrosion and oxidation resistance.

A351  LCC

For service between --46°C and 343°C. This material must be quenched and tempered to obtain tensile and impact properties needed at low temperatures.

A351  LC3

For service between -101°C and 343°C. Subsequent heat treatment is used to obtain tensile and impact properties needed at subzero temperatures.

A351  CF8M

For service up to 537°C , where corrosion and oxidation resistance are required.

A351  CF8

For service up to537°C, where corrosion and oxidation resistance are desired, but lower costs than CF8M and slightly lower strength and corrosion resistance can be accepted.

 
(1) Upon prolonged exposure to temperatures above 426°C , the carbide phase of carbon steel may be converted to graphite. Permissible, but not recommended for prolonged use above 426°C
 
(2) Product used within the jurisdiction of Power piping, ASME Code for Pressure piping B31.3, is subject to the same maximum temperature limitations placed upon the material in that document.

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