Page 119 - Brass, Composite and Thermoplastic Fittings and Valves

Blocking Valves Blocking Valves

Parker’s Blocking Valves prevents damage to work and equipment in the event of a loss of pressure.
Blocking valves which are mounted in pairs on a cylinder lock the piston by simultaneously cutting off the
supply and exhaust.

Product Features: Polymer
■ Treated brass body Release Buttons
■ Stainless steel gripping ring
Nickel-Plated
■ Nickel-plated brass threads Brass Body
■ NBR seals NBR
■ Silicone free Seals
Markets: Applications: Stainless Steel
Gripping Ring
■ Factory/Process ■ Robotics
Automation ■ Packaging
■ Packaging ■ Textile Nickel-Plated
Brass Adaptor
■ Petrochemical ■ Machine Tools
■ Automotive Process
Specifications:
Pressure Range 15 to 145 psi Operation

Temperature Range -4˚ to 160˚F Cylinder in Operation Cylinder Blocked
(pilot signal active) (pilot signal removed)
Leak Rate <3.2CCM
Number of Cycles >10 Million at 68˚F and 1 HZ
Piloted Signal Piloted Signal
Removed
Compatible Tubing:
■ Semi-rigid nylon Diaphragm
■ Polyurethane 95 Durometer Shore A Spring
■ Nylon
■ Fluoropolymer To Control
Valve
Piston
Cylinder

To Control Valve Blocked

Parker Hannifin Corporation | Fluid System Connectors | Otsego, MI B35