Construction The GEMU 312/314 pneumatically operated 3/2-way valves have a rugged low maintenance aluminium piston actuator. GEMU 312 is flanged, GEMU 314 has threaded sockets. The connection for the control medium can be rotated through 360°. The double sided valve plug is connected to the actuator via a spindle. The valve spindle is sealed by a self-adjusting gland packing providing low maintenance and reliable valve spindle sealing even after a long service life. A wiper ring fitted in front of the gland packing protects the seal against contamination and damage.
Construction The GEMU 507 manually operated 2/2 way angle seat globe valve has an ergonomically designed plastic handwheel. The valve spindle is sealed by a self-adjusting gland packing providing low maintenance and reliable valve spindle sealing even after a long service life. The wiper ring fitted in front of the gland packing protects the seal against contamination and damage. A stainless steel bellows and a handwheel extension (not for bonnet size 0) are available as options enabling full operator isolation.
Advantages
Various valve body connections: threaded sockets, threaded spigots, butt weld spigots
Construction The GEMU 512 pneumatically operated 2/2 way globe valve has a robust low maintenance aluminium piston actuator. The valve spindle is sealed by a self-adjusting gland packing providing low maintenance and reliable valve spindle sealing even after a long service life. The wiper ring fitted in front of the gland packing protects the seal against contamination and damage.
Features
Suitable for individual applications due to choice of various actuator sizes and valve body materials
Customized design option as a control valve
Control medium connection can be rotated through 360°
Special versions for medium temperatures up to 300°C on request
Construction The GEMU 514 pneumatically operated 2/2 way angle seat globe valve has a low maintenance aluminium piston actuator. The valve spindle is sealed by a self-adjusting gland packing providing low maintenance and reliable valve spindle sealing even after a long service life. The wiper ring fitted in front of the gland packing protects the seal against contamination and damage.
Features
Substantially reduced installation dimensions when using the body with male threads which can be removed using union nuts
Suitable for high working temperatures and pressures
Control medium connection can be rotated through 360°
Advantages
Various valve body connections: threaded sockets, ...
Construction The GEMU 520 pneumatically operated 2/2-way globe valve has a low maintenance membrane actuator which can be controlled by inert gas. The valve plug is fixed to the spindle in such a way as to allow flexing during closure in order to ensure tight shut off. The valve spindle is sealed by a self-adjusting gland packing providing low maintenance and reliable valve spindle sealing even after a long service life. The wiper ring fitted in front of the gland packing protects the seal against contamination and damage.
Advantages
Good flow capability
Broad range of operating temperatures and pressures
Extensive range of accessories: Stroke limiter / optical position indicator / manual override ...
Construction The GEMU 552 pneumatically operated 2/2 way valve is a globe valve which can be used in relatively high temperature applications. It has a pneumatic plastic piston actuator and PTFE seat. The valve spindle is sealed by a self-adjusting gland packing providing low maintenance and reliable valve spindle sealing and an excellent service life. A wiper ring fitted in front of the gland packing protects the seal against contamination and damage.
Features
Suitable for inert and corrosive liquid and gaseous media
Suitable for individual applications due to choice of various actuator sizes and valve body materials
Construction The GEMU 554 pneumatically operated 2/2 way angle seat globe valve, which can also be used at relatively high temperatures, has a plastic pneumatic piston actuator and PTFE seat providing reliable operation. The valve spindle is sealed by a self-adjusting gland packing providing low maintenance and reliable valve spindle sealing even after a long service life. The wiper ring fitted in front of the gland packing protects the seal against contamination and damage.
Features
Substantially reduced installation dimensions when using the body with male threads which can be installed using union nuts
When using actuated valves in sizes 0 and 1 the gland packing is not subjected to line pressure as ...
(834) Construction The GEMU 550 pneumatically operated 2/2 way angle seat globe valve has a low maintenance piston actuator and PTFE seat providing reliable operation. The valve spindle is sealed by a self-adjusting gland packing providing low maintenance and reliable valve spindle sealing even after a long service life. The wiper ring fitted in front of the gland packing protects the seal against contamination and damage.
Features
Suitable for inert and corrosive liquid and gaseous media
Substantially reduced installation dimensions when using the body with male threads which can be installed using union nuts
Materials of all medium wetted parts can be selected to suit relevant applications
Construction GEMU 563, 568 is a motorized 2/2 way control valve with a low maintenance reversible synchronous electric motor. The valve is operated via a reduction gear and spring loaded cam, ensuring continuous contact between the cam and the valve spindle.
Features
Suitable for inert and corrosive liquid and gaseous media
The motor will withstand being stalled under full voltage
Valve body and seals are available in various materials
Suitable for use as a control valve
Integrated optical position indicator
Advantages
Direct processing of 0/4-20 mA signals via the integrated controller
Opening and closing behavior is independent of the working pressure
