The HLR 300-6 is a three way Normally Closed “Block Before Bleed”, control circuit operation of Surface Controlled Sub-Surface Safety Valves (SCSSV). The assembly is a two position, three way Normally Closed, Pilot Supply pressure operated, automatic reset (spring return), 6,000 PSI, flow control valve. Each On/Off application of Pilot Supply pressure will automatically shift the internal component’s placement. Applying Pilot Supply will pressurize the receiving hydraulic control circuit for normal operations. The loss of Pilot Supply pressure will completely block the Inlet Supply before opening the Outlet to Exhaust flow path.

Features
Function	3 Way Normally Closed
Dimensions	3.500" OD x 6.500" OAL
Working Pressure	6,000 PSI Maximum Hydraulic Control
	125 PSA Maximum Pilot Supply
Port Sizes	1/4" FNPT - all ports
Seals	Viton
Options	Available with or without manual over ride capability