Body and Cover : GG-25 Cast Iron / Handwheel: GG-25 Cast Iron / Gasket: EPDM / O-ring: EPDM / Spindle: Stainless steel / Segment Gear : GG-25 Cast Iron . ** Connection Type: Flanged / Working Pressure :175-300 PSI / Working Temp.:-10ºC , + 120ºC / Working Test Pressure : 600 PSI *** NRS gate valve is developed to be used as the cut off and zone control valves in order to substitute supervisory switched butterfly valves and OSY rising stem valves in the fire security systems. These valves are usually burried underground to prevent the risk of freeze. Just to make them visible and traceable inside the systems, they are preferred to be used with post indicators instead of wheels. **** Application Areas: In fire fighting systems, which is non-affected by freeze, than they are using under the soil.
Germany
Applications: Steel Industry / Industrial Combustion Technology / Renewable Energy Technology One-piece body, tight-closing, centric disc Design for mounting between flanges according to DIN EN 1092-1 or ASME B16.5 Face-to-face length according to DIN EN 558-1-R20. Leakage rate A according to DIN EN 12266-1. permissible operating pressure 5 bar For all gases according to DVGW worksheet G 260 Safety shut-off valve according to EN161 class A (closing time < 1s)
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The sliding gate motor valve type 8038 in reinforced design with highresolution fast actuatoris suitable for a wide range of process applications. Media such as steam, liquids, gases, etc. can be handled precisely. The interaction of highprecision control electronics with the precise stepper motor results in a positioning accuracy of ± 0.2% even with a valve stroke of only 6 mm. By means of supercapacitor technology, in the event of a power supply failure, the valve returns to its defined basic position. Metal bellows Position electronics Analog stroke feedback Limit switch Fail safe feature
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Solenoid valves made of brass, membrane-controlled for air, gases, steam and non-aggressive liquid media. In the sizes 1/4" to 1", as 2/2 and 3/2 Valve available in NC or NO in all common voltages and various sealing materials.
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- Size DN100 - 150 - 200 - 250 - 300 - 350 - 400 - 2 half-bodies in cast aluminum with double flange: identical upper and lower flange - Possibility of installing the fitting for flexible connection SFU - Pressure / vacuum seal up to 0.2 bar - Disc in aluminum or stainless steel AISI 304 (upon request in AISI 316) - NBR gasket (upon request suitable for contact with food) - HNBR Therban - Viton - Gasket profile: for sealing only on the disc or covering the flanges - DN5482 splined drive shaft or ISO 5211 square, both in standard or extended length - ATEX certified version upon request - Manual, motorized or pneumatic actuators
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