Series 2700A General-Purpose Control Valve
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Globe-bodied, bolted-bonnet control valve family designed for a wide range of pressures, temperatures, materials and trims. These single-ported control valves have balanced, unbalanced and restricted-port trims for a variety of flow characteristics.
Includes three valve/actuator configurations: 2700A Standard, 2700E Extended Bonnet and 2720 Close-Coupled. Series 2700A valves are used in general control service for a wide range of pressures, temperatures and fluids. Series 2700E valves are used for low-temperature service down to –150°F (–101°C) or high-temperature service up to 800°F (427°C). Series 2720 valves provide the features of Series 2700A valves, but with a close-coupled, space-saving, economical design.
Both plug-control and cage-control trims are available in metal-to-metal or metal-to-composition seating material for Class VI shut-off. All trims are interchangeable within the valve body.
Features
2700A Control Valve
- Balanced trims 1 inch and larger
- Unbalanced trims 1 inch and smaller
- Plug-control trims (modified percentage, quick opening)
- Cage-control trims (linear, equal percentage, cavitation control, noise reduction)
- Available with direct- or reverse-acting, yoke-mounted pneumatic diaphragm actuators
- Trim options include erosion-resistant, soft-seat ring, noise abatement and cavitation control
- Cage-control trim features dwell protected seat area
- TFE V-ring packing (non-adjustable, spring-loaded)
- Bolted closure bonnet
Series 2700E Extended Bonnet Control Valve
- Includes all 2700A features
- High and low temperature services
- Special trim and seal materials
Direct- or Reverse-Acting Actuators (2700A, 2700E)
- Available for a wide range of applications
- Broad selection of accessories, including side or top-mounted manual handwheel overrides, travel stops and spring ranges for all applications
- Molded diaphragm design gives precise positioning of the valve plug throughout valve travel
- Computer-designed, ductile iron yoke adds stability and strength to resist fatigue from vibration and high-frequency service or over-pressurization of the diaphragm housing
- Steel diaphragm housing helps prevent excessive deflection in over-pressure conditions
- Standard 3 to 15 psig and 6 to 30 psig spring ranges
Series 2720 Control Valve With Close-Coupled Actuator
- Includes all 2700A valve features
- Space saving, economical design
- Reverse, close-coupled (yokeless) actuator
- Non-adjustable, spring-loaded packing
- Interchangeable trim variations
- Visual travel indicator on the actuator housing
- Body sizes from 1 inch (25 mm) through 4 inch (100 mm)
Specifications
Series 2700A
- Operating temperatures from –50°F (–46°C) to 600°F (316°C)
- 17-4PH SST standard trim, other materials available
Series 2700E
- Operating temperatures from –150°F (–101°C) to 800°F (427°C)
Series 2720
- Operating temperatures up to 200°F (93°C)
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