Control Valves [VBR]
EN 60534
Description
DN 50 (2’’) ÷ DN 350 (14’’)
Class 150 ÷ Class 900
Execution
- Casted body and bonnet
- Bolted bonnet (BB)
- Parabolic disc or perforated disc
- Rising stem (RS), outside screw and yoke (OS&Y)
- Seats are integral or welded on
Applications:
- Power plant, Chemical, Petrochemical, Refining
Media:
- Depending on the valve materials: water, steam, gas, oil and oil derivates and other non aggressive media
Pressure and temperature
- Class 150 ÷ Class 900
- Temperature up to 600 oC
Materials
- Carbon, heat resistant alloy and stainless steels
Advantages
- Long service life
- Respect to emission standards
- Easy handling and maintenance
- Stem packing replacement in working conditions
Options
- Electric, hydraulic or pneumatic actuator
- Valve characteristic linear or equal-percentage
- Multistage regulation
- Y-Type (VBRY)
- Angle Type (VBRA)
- Spring loaded stuffing box (SLSB)
- Extended stem
- Locking device
- Seats and sealing made of elastic
Testing: Every produced valve was tested according to ANSI/FCI 70-2