A minimum of 100 psi pilot pressure is required for shifting the spool. With heavy duty end caps up to 3000 psi pilot pressure may be used. In some applications, pilot pressure can be supplied with a shuttle valve connected between ports "C" and "D" of the SD4 double selector.

Features:

• SSD4: 2500 psi operating pressure, 1‰۝ NPTF ports
• Complete handle assembly

Optional Field Conversion Kits