For installation into pipes to the protection of vessels and components against deflagration of flammable liquids and gases. Approved for all substances of explosion groups IIA1 to IIA with a maximum experimental safe gap (MESG) > 0.9 mm. Bi-directionally working in pipes, whereby an operating pressure of 1.2 bar abs. and an operating temperature of 60 °C must not be exceeded. The distance between a potential ignition source and the flame arrester must not exceed 50 times the inner pipe diameter. The installation of the Deflagration flame arrester into horizontal and vertical pipes is permissible. When equipped with one or two temperature sensors, the devices are protected under atmospheric conditions against a short time burning by a burning time tBT = 1.0 min. If only one temperature sensor, then it is to be placed on the device side where a burning could be expected.
Netherlands
Brushed structure stainless steel AISI 430 The hood is slant and the filters are installed with an angle of 45 ° Standard with Led Lightning 5W builtin Standard produced with fat drain valve Included Labyrinth filters 400x400mm Included On/Off controller with lightning & gasvalve on/off switch butto
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Brass or cast iron body Cast-iron operating square (30 x 30 mm) Nickel-coated brass ball
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The GEMÜ 649 2/2-way diaphragm valve has a hollow shaft actuator and is electrically operated. The eSyDrive hollow shaft actuator can be operated as an OPEN/CLOSE actuator or as an actuator with integrated positioner or process controller. An integral optical and electrical position indicator is standard. — Hermetic separation between medium and actuator — Installation for an optimised draining is possible — Open/close function, positioner and process controller — Variable force and speed — Diagnostic functions — Operable via web interface eSy-Web — Electrical and mechanical position indicator — Actuator can be positioned in 45° steps
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The GEMÜ 507 2/2-way angle seat globe valve has an ergonomically designed plastic handwheel and is manually operated. 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. A stainless steel bellows and a handwheel extension are available as options (not for operator size 0). —Various valve body connections (threaded sockets, threaded spigots, butt weld spigots) available —High flow rates due to angle seat design —Optionally for contact with foodstuffs as per directive (EC) No. 1935/20041 (K-no. 1935)
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