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The Type ALD Automatic Liquid Drainer is a combination of a Type FKS39 Float Switch, a 13mm (1/2″) Port Size Type SA17A3 Solenoid Valve Assembly, a 3/4″ and a 1/4' Hand Expansion Valve, as well as necessary pipe and fittings, complete for field assembly as shown on Figure 1. All are heavy duty devices intended for use with Ammonia, R-22, R-502 and other common refrigerants.

Purpose : It is the purpose of the Type ALD Automatic Liquid Drainer to permit flow of liquid refrigerant only and to prevent the flow of vapor refrigerant. It is intended for use in draining liquid from defrosting evaporators, or heat recovery condensers, into a lower pressure portion of the system.

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