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Viking Johnson - Model 31 -Resilient Seated Gate Valve
The Viking Johnson Resilient Seated Gate Valve is fully compliant to BS EN 1074-2 and include WRAS approved materials. Its lightweight design construction of ductile iron offers a robust and durable extended life performance.
Durable
The valve is suitable for use in a wide range of applications including potable water, neutral liquids, irrigation, heating and chilled water, fire systems etc, in either above ground or buried service applications and requires minimal maintenance. Viking Johnson Resilient Seated Gate Valves have a rated working pressure of 16 Bar. The valves seal 100% leak tight. The waterway is clear, unobstructed and free from pockets. Resilient seated gate valves are fusion bonded epoxy coated both on the interior as well as the exterior surfaces of the valve, flange surfaces are also fully epoxy coated.
- Suitable for use with water, neutral liquids and sewage
- Clockwise closing as standard or anti-clockwise closing where specified
- Handwheel option
- Valve Position Indicator option
- Sea water version
- ISO flanged version for gearbox or actuator mounting
- Gearbox option
- Powered Actuator option
- WRAS approved materials
Manufactured from ductile iron to EN-GJS-450 offering improved durability.~~ Flanges are available drilled to PN10 or PN16
OperationHandwheel – Where valves are installed above ground Gearbox & Handwheel – Where high system pressures increase operating forces above the level suitable for direct operation. Actuation – Electric, hydraulic or pneumatic to suit remote operation Cap Top as standard – Dimensions in accordance with BS1074 design standards for operation using a standard waterworks tee-key
Applications- Potable water distribution mains
- Effluent systems
- Irrigation
- Fire protection
- Pumping systems
- Industrial water systems
- Cooling water systems Air conditioning systems
WRAS listed fusion bonded epoxy coating, minimum thickness 250 micron Corrosion resistant construction
FastenersA2 stainless steel sealed body / bonnet bolts for enhanced corrosion resistance
WedgeDuctile Iron Wedge totally encapsulated with EPDM WRAS elastomer (Nitrile option available)
StemStem sealing o-rings replaceable under pressure Stainless steel non rising stem - for improved corrosion resistance
Ancillaries- Handwheels
- Gearboxes c/w handwheels
- Powered actuators – Electric, hydraulic, pneumatic
- Valve position indicators
- Extension spindles
- Chain wheels