Product Overview
Cartridge
Description
This valve is a pilot to open check valve. It has a non-sealed pilot, a steel seat, and is non-vented. It allows free flow from the valve (port 2) to the load (port 1) and blocks flow in the opposite direction. Pressure at the pilot (port 3) will open the valve from port 1 to port 2. Pilot pressure needed at port 3 to open the valve is directly proportional to the load pressure at port 1. Pressure at port 2 directly opposes pilot pressure.
Specifications
Cavity T-11A
Series 1
Capacity 15 gpm
Maximum Operating Pressure 5000 psi
Pilot Ratio 3:1
Maximum Valve Leakage at 110 SUS (24 cSt) 1 drops/min.
Valve Hex Size 7/8 in.
Valve Installation Torque 30 - 35 lbf ft
Model Weight 0.28 lb.
Seal kit - Cartridge Buna: 990011007
Seal kit - Cartridge EPDM: 990011014
Seal kit - Cartridge Polyurethane: 990011002
Seal kit - Cartridge Viton: 990011006
Features
For models with manual load release control option, turn load release clockwise to release load.
Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids.
Exposure to petroleum based fluids, greases and lubricants will damage the seals.
This 3 port pilot-to-open check valve and 3 port counterbalance valves are physically interchangeable (i.e. same cavities, same flow path for a given frame size). However, cartridge extension dimensions from the mounting surface may vary.
Provides hose break protection, prevents loads from drifting and positively locks pressurized loads.
Standard unsealed pilot allows air trapped in the pilot line to be purged from the circuit.
Extremely low leakage.
*Please note that image representation may only represent a product series with particular items. The buyers responsibility is to ensure the product SKU matches their specifications before purchase.
