New Parker safety blocks for hydraulic accumulators said to simplify selection process19 January 2022

Parker Hannifin, the global leader in motion and control technologies, is introducing a new safety block (SB series) for hydraulic accumulators that is described as simplifying the selection, installation and maintenance process of these system components.

Due to the variety of accumulator types and their applications, the market is proliferated with an equally wide expanse of safety blocks that, until now, has made selection challenging for many customers. The new safety block overcomes this time-consuming issue.

Safety blocks enable hydraulic accumulators to be isolated for maintenance work, repairs or system tests, acting as an emergency shut-off device to protect against system failure. Based on the ethos that simple engineering makes for a safer solution, the versatile SB series offers full functionality in a single product: isolation, drain, peak pressure protection and pressure control. Typical markets set to benefit from the new concept include industrial, mobile, oil and gas to list but a few.

The SB series is available in sizes 10, 20 and 32. It operates in a standardised temperature range of -20°C to 80°C, and offers high corrosion resistance compliant with ISO 9227. In addition, the SB series is PED-certified and suitable for use in ATEX environments (manual version only).

Suitable for all bladder, diaphragm and piston-type accumulators, customers can select from models with electric or manual relief valves. The SB series features either a BSPP or SAE accumulator connection, with size 32 offering an SAE accumulator connection as standard. Furthermore, size 32 offers the choice of flanged or threaded hydraulic connection. A variety of voltage options (24VDC, 110/120VAC, 230VAC) ensure the SB range is suitable for all types of industrial applications, with the pressure range corresponding to the accumulator operating pressure (up to 350 bar).

Laurent Nauroy, product manager at CADE, says: "Our customers have repeatedly asked for a simplification of the previous series. The new SB safety block is the result of this feedback. Our SB series allows for simple design, simple engineering and simple selection."

As standard, Parker Hannifin supplies its SB series safety blocks without an adapter.

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