Deltrol

Deltrol Pilot-Operated Check Valves (Air and Hydraulic Pilot)

  • 4:1 Pressure to Pilot Port Unseats Check Ball, Permitting Free Reverse at Will 
  • Permits Normal Free Flow in Direction of Arrow. Positive Ball Check in Reverse Direction 
  • Three Sizes: 1/4”, 3/8” and 1/2” 
  • Air Pilot Valves Have Secondary Seal on Pilot Piston Stem. A Vent Hole in the Body Between the Piston Seal and Stem Seal Prevents Mixing of Pilot Media and the System Media. 
  • All Valves: Ball Check for Hydraulic Application Only
Maximum Operating Pressure 3,000 PSI 
Operating Temperature Range (O-Ring) Buna N: -40° to +212°F 
Material All Steel Construction

Part Number
Max Flow (GPM)
1/2"
12.0

2.1 Pilot Ratio

Part Number
SIZE
OKCancelClear All
MAX. FLOW GPM
OKCancelClear All
PIC20S
1/4"
6.0
PIDC25S
3/8"
10.0
PIDC30S
1/2"
12.0

*2.1 Pilot Ratio for Pressures Under 90 PSI