Products and Tech Specs

HLR 7790B VELOCITY CHECK VALVE
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HLR 7810-3 MANUAL RESET RELAY (PUSH-TO-RESET)
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HLR 7830 EMERGENCY SHUTDOWN STATION (SINGLE LINE)
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HLR 7830-DPEXPS STATION
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HLR 7930 PNEUMATIC SAND PROBE RELAY
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HLR 7950A HYDRAULIC INTERFACE VALVE
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HLR 7955A HYDRAULIC INTERFACE VALVE
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HLR 7960A HYDRAULIC INTERFACE VALVE
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HLR 7965A HYDRAULIC INTERFACE VALVE
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HLR 7970 HIGH / LOW PRESSURE SENSOR
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HLR 7970 HIGH/LOW SET
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HLR 7970-20M PRESSURE SENSOR
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HLR 8620B AUTOMATIC RESET RELAY (“B” VALVE)
Two position, three way Universal (NO,C,NC) ported, flow control valve assembly that is automatic pilot...
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HLR 950-5
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HYDRAULIC INTERFACE VALVE
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HYDRAULIC INTERFACE VALVE
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SigmaHLR is the top choice for reliable, innovative safety system controls.

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