The Steam control valves consist of a body with trim, bonnet and pneumatic actuator, optionally with metal bellows or insulating extension. The valves may be also equipped with electric, electro-hydraulic, or hand-operated actuators, as well as control accessories and other instrumentation.

Features of Steam Control Valve

• Modular design, rugged and heavy duty construction, full range of body and trim materials
• One-piece ultra-rigid valve bonnet and yoke up to size 6”
• Field retrofit table extension bonnets and metal bellows seals
• Many configurations, e.g. Cryogenic or 'Lethal service'
• Self-adjusting, live-loaded PTFE V-ring stuffing box
• Port-guided V-port asymmetric plugs above CV 20 standard
• Excellent dynamic response and high trim stability
• Self-locking seats, exchangeable for various CV values
• Low height, reversible, multi-spring/rolling diaphragm actuatorComplete selection of actuators options, positioners and Steam Control Valve accessories

Standard Versions

• Body ASTM Cast A 126 Cl. B, A 216 WCB, A 351 CF8M, alter-natively Forged A105 or A 182 F316
• End connections ANSI Class 125 with FF-Flanges, Class 250 Female threaded NPT, Class 150 or 300 with RF-Flanges
• Packing PTFE V-ring spring-loaded/self-adjusting, temperature range 15 °F to 430 °F (− 10 °C to + 220 °C)
• Trim equal percentage characteristic, metal-to-metal seal