Description
KEY FEATURES/BENEFITS
- The swing-through vane which has no contact with the valve body enables the valves to be used with high pressures and a wide range of temperatures
APPLICATIONS
- Due to the standard concentric vane, the application are for low dynamic deltaP throttling service or isolation when the shut-off is not essential (Class II)
- Water systems
TEMPERATURE RANGE
- 200ºC to 1000ºC (-328ºF to 1832ºF)
DESIGN STANDARDS
- 50 to 2000 mm (2′ to 80′)
ALL CASTABLE MATERIALS
- Carbon Steel
- Austenitic Stainless Steel
- Duplex
- Super Duplex
- Hastelloy
- Inconel
- Monel
- Aluminium
- Bronze
- Titanium
BODY TYPE
- Wafer
- Lugged
- Flanged
- Clamped
- Butt-welded
- Actuation can be with diaphragm, piston (rotary or cylinder), electric or manual
UPGRADES/ADAPTATIONS
- A contoured vane can be supplied with equal percentage characteristics over 10-90º travel
- Varidiff Trim can be used to avoid problems related to cavitation
- Live loaded glands for control of emissions to atmosphere
- Open & closed extensions for valves on elevated temperature duty
- Cold bonnet for cryogenic valves
- Purge connections between packings
- Gland with Lubricator fitted
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