Parker carbon and stainless steel safety blocks include features to make the installation, operation and maintenance of hydraulic accumulators convenient and safe. For example, the safety block can be used to isolate or shut down the accumulator if there's a leak or for general maintenance. The bleed facility allows the accumulator to be conveniently drained and the integrated hydraulic relief valve minimises over-pressurisation.

Safety blocks are installed on the oil side of most hydropneumatic accumulators.

Markets:
• Industrial
• Mobile
• Defense
• Energy
• Renewable
• Marine
• Mining
• Oil and Gas
• Rail

Features/Benefits:
• Designed to make the installation, operation and maintenance of hydraulic accumulators easy and safe.
• Suitable for bladder, diaphragm and piston accumulators.
• Compatible with hydraulic oils, mineral oils, (others fluids on request)
• Standard safety blocks available for different pressures (up to 690 bar) and up to size 32 (internal diameter)
• Large combination of adaptors and blocks suitable for all types of accumulator or on-line.
• Customized products are available, please contact your local Parker sales offices with your requirements.
• Compact design and reduces installation and maintenance time.

Applications
• Hydraulic Power Units
• Valve Actuation
• Well head BOP
• Back-up energy supply
• Hydraulic presses
• Wind Energy
• Lubrication Systems
• Power Generation
• Energy Transmission & Distribution
• Test rig
• Entertainment Automation
• Moulding
• Plastic Presses
• Die Casting
• Vehicle Assembly Facilities
• Machine Tools
• Agricultural equipment
• Construction equipment
• Forestry
• Handling/Cranes
• Truck
• Defence

Function:
The basic function of a safety valve/ shut-off block consists of:
• Manual isolating valve to isolate the accumulator from the circuit for all the safety blocks (also drain function for DI 10 model)
• Manual drain valve for decompressing the accumulator for all models (also isolating function for DI 10 model) (Electrical control optional )
• A pressure relief valve EC with poppet calibrated to the maximum service pressure of the accumulator (pressure on request)
It must not protect hydraulic circuit
• Pressure tapping port (M)

We have included a very small selection of part numbers available, for more information, please download the Accumulator Catalogue or contact your local Parker Sales Company.

Some products within this series were previously branded as Olaer and Fawcett Christie Hydraulics.