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This type of Valve with its classic globe body shape, which reflects its name, uses the variable area generated between the plug and seat to control fluid flow. It is very versatile offering reduced trim options as well as a variety of special trims for severe high pressure drop applications. This style of valve is easily adapted for use on cryogenic tempetatures and for high temperature duties. This valve is preferred for tight shut – off, positioning accuracy, high rangeability and simplified maintenance, satisfy the majority of control valve applications throughout the process and power industries in control of Air, Steam, Water, Gas, Chemicals etc.
| DESIGN | ASME B16-34 |
|---|---|
| VALVE SIZE | 15 to 450 mm ( 1/2” to 18” ) |
| RATING | ANSI 150 to 2500 or Equivalents to BS, DIN, etc. |
| FACE TO FACE | ISA S.75.03 1985 up to 600 ISA S.75.16 900 and above |
| END CONNECTION | Flanged, Screwed, Butt Weld, Socket weld. |
| BODY MATERIALS | Carbon Steel, Chrome-moly Steel, Stainless Steel, Monel, Alloy20, Hastelloy B/C, PP, Teflon etc. Teflon Lined / Teflon Metal Housed |
| BONNET | Standard upto 250°C Normalizing (Finned) between 250°C to 500°C Extended cold service – 20°C to – 200°C Extended Bellows seals. |
| GLAND PACKING | Grafoil / PTFE V Rings. |
| TRIM DESIGNS | Top Guided Contoured, Splined Micro Flow, V-Ported (Balanced / Unbalanced), Low Noise ( LN1, LN2, LN3, LN4 ) |
| TRIM MATERIALS | Stainless Steel, Alloy20, Monel, Hastelloy B/C, Stellite (Alloy 6 ) |
| CHARACTERISTICS | Equal Percentage, Linear and Quick Opening. |
| SEAT LEAKAGE | As per FCI-70-2 (ANSI B 16.104) Class III. IV, V and VI ( STANDARD LEAKAGE RATES ) Metal to Metal Seating Class IV, Less than 0.01% of rated Cv. Metal to Soft Seating – Bubble tight (Zero Leakage) |
| ACTUATOR TYPE | Diaphragm, Cylinder or Electric. |
| ACTUATOR ACTION | Direct / Reverse Acting. |
| DIAPHRAGM | Nitrile / Neoprene |
| SPRING RANGES | 3 – 15 PSIG ( 0.2 – 1.0 Kg/cm² ) 6 – 30 PSIG ( 0.4 – 2.0 Kg/cm² ) |
| AIR SUPPLY | 20 – 35 PSIG (1.4 – 2.5 Kg/cm² ) |
| AIR CONNECTION | 1/ 4” or 1/ 2” NPT |
| HANDWHEEL | Top or Side Mounted Handwheel |
| ACCESSORIES OPTIONAL | Valve Positioner – Pneumatic , Electro Pneumatic, Smart Positioner, Airset, Solenoid Valve, Air Lock, Volume Booster, I/P Converter, Position Transmitter, Limit – Proximity Switches etc. Removable Blind Head, Steam Jacketing, etc. |