Refrigeration

 

  These are used for refrigerating fluids in their different aggregation degrees. So the connections and construction materials are specific for commercial or industrial refrigeration systems. You shall find information about this kind of valves in the Refrigeration Manual.

 

Forged Brass body. BrassPiston.Teflonseats. CapsulatedcoilswithDIN43650.IP65protection. Optional:Manualoperator.Optional: Normally open.Optional:Extender copper tubes.Minimum pressure differential: 0.20BAR(3 PSI).Maximum pressure differential: 21BAR(300 PSI).for direct current: 13 BAR (189 PSI).Maximum working pressure: 28BAR(406 PSI).Temperature range: -40° C to 110° C (-40° F to 230°F).

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CastBody.Steel forged flanges for welding.Teflonseatsanddiaphragms. CapsulatedcoilswithDIN43650connections. Minimumpressuredifferential:0.07BAR(1PSI) except:1343AT1:0BAR. Maximum pressure differential: 21 BAR (300 PSI).Maximum working pressure : 28BAR(406 PSI). Temperature range: -40°C to 110°C (-40°F to 230°F). ManualOperatorexceptin1343AT1,optionalin1343AT3 and 1343AT34.Optional:strainer1347incorporated.

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Cast body with flanged connections.Counter flanges for welding in forged steel.Stainless steel piston.Teflon seat on the piston.Humidity and weather - proof outlet.Class H coil in polyester.Maximum pressure differential: 17 BAR (245 psi). Minimum: 0 bar.Maximumworkingpressure: 28BAR(406 psi).Temperature range: -40°C to 110°C (-40°F to 230°F).Manual operator in all versions and sizes.

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Cast body.Flanges for welding forged in cast steel.The filtering basket has a stainless steel mesh.The capacity of retention is for particles greater than 100.Modular coupling with Jefferson solenoid valves:1343 Series (all sizes)1344 Series (connections of 3/4" and 1")

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Forged Brass body.Teflon seats and diaphragm.Capsulatedcoils DIN43650connection IP65protection. Minimumpressuredifferential:0.07BAR(1PSI) except size 1/4" :0 BAR. Maximum pressure differential: 21 BAR (300 PSI) for direct current: 10 BAR. Maximumworking pressure: 28BAR(406 PSI). Temperature range: -40°C to 110°C (-40°F to 230°F). Flare SAE connection or brazing terminals. The copper tube extensions do not require the valve to be disassembled at the time of brazing.

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Falta Traducción

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Sub-assembly of rod and stainless steel 304 float, with a floating coefficient of 2,5 with respect to the density of ammonia (the least dense refrigerant) to ensure its correct operation even when there is bubbling or foam. Differential of 50mm. to absorb the effects of waves caused by the sudden ingress of liquid, that results in the abnormal opening and closing of the supply upstream valve. If it is desidered to reduce the differential, unscrew the housing and lower the two upper nuts of the rod. Weather-proof hermetic mechanism to IP65. Upon request: weather and explosion-proof. IEC79 - IP65. One or two mechanisms with SPDT mercury contacts or SPDT dry contacts (microswitch). Electrical connection: 3/4" BPS or NPT 360° rotatable.

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Cast body with flanged connections.Counter flanges in forged steel.V-plug with Teflon seat.Simple bonnet for an integrated pilot or connected for external pilots.Bonnet for multiple pilots (up to 3) integrated with the valve or combined with external pilot. Pressure differential range with solenoid pilot from 0,07BAR(1PSI)to 21BAR(300PSI).Pressure range with constant pressure pilot from 0,07 BAR manometric (1 PSIG) to 7 BAR (100 PSIG) Pilots available for higher pressures.Maximum Working Pressure: 28 bar (406 PSIG).

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