Design Code | ASME B16-34 |
Valve Size | 15 to 300 mm (1/2” to 12”) |
Rating | ANSI 150 to 600 or equivalents to DIN, BS10, JIS etc |
End Connection | Flanged, Butt weld |
Body Material | Carbon steel, Chrome-moly steel, Stainless steel, Monel, Alloy 20, Hastelloy B/C, Duplex stainless steel, Aluminium bronze |
Bonnet | Standard up to 400°C Normalising between 250°C to 500°C Extended cold service -20°C to -100°C, Cryogenic -100 ºC to -250 ºC Bellowseal |
Gland Packing | PTFE Chevrons, Graphite, Low emission |
Trim Form | Skirt Guided, Linear, Pressure Balanced |
Trim Material | Stainless steel, Duplex stainless steel, 13% Chrome steel, Monel Hastelloy B/C, Stellite |
Flow Characteristic | Linear |
Seat Leakage | As per ANSI / FCI 70-2-2006 Class III, IV, V and VI |
Actuator Form | Diaphragm, Piston or Electric |
Actuator Type | Direct / Reverse Acting, Direct Acting air failure “Close” top port. Reverse Acting air failure “Opens” top port. |
Diaphragm | Nitrile / Neoprene (nylon reinforced) |
Spring Range | 3-15 PSIG (0.2 - 1.0 Bar) 6-30 PSIG (0.4 - 2.0 Bar) |
Air Supply | 20-60 PSIG (1.4 - 4.0 Bar) |
Air Connection | 1/4” or 1/2” NPT |
Accessories | Valve Positioners - Pneumatic, Electro-Pneumatic, Smart Instruments - Airset, Solenoid Valve, Volume Booster, Airlock, Limit Switches |
Features | Top or Side Mounted hand wheel, Limit Stops Removable Blind Head, Steam Jacketing etc. |