Other technologies


Soft-seal technology holds up to 800 bar

Second Quarter 2007 Other technologies

Hydraulic & Automation Warehouse (HAW), a member of the Hytec Group of Companies, has announced the addition of the newly launched WALRing tube connection system to its product range. The system features a two-edge cutting ring with captive soft-seal, and forms part of the Walterscheid steel tube fitting product range.

HAW is the appointed agent for Walterscheid in South Africa and according to HAW general manager, Richard van Rooyen, the WALRing system with its numerous benefits is a welcome addition to the Walterscheid metric tube fitting system series.

"The two-edge cutting ring and proven WALForm soft-seal technology allows for increased operating pressure, putting the product ahead of its closest competitors."

The connector is a pre-assembled unit comprising a standard nut, two edged cutting ring and support ring. It utilises the proven WALForm viton captive seal, making the unit economical, user-friendly and easy to re-assemble or replace if damaged. The new connection system is used in conjunction with any of the Walterscheid fitting bodies. No special nuts or fitting bodies are required.

Other features of the system include the interlocking of the cutting ring and the hardened outer support ring. The cone angle is optimised ensuring the continuous application of force throughout final assembly, while a large shoulder surface reduces friction and starting force required. Over-tightening and incorrect assembly of this connection system is not possible.

The WALRing system is designed specifically for use in hydraulic systems on in-plant industrial equipment, mobile on- and off-highway equipment, and numerous other applications.

The system is manufactured to ISO 8434-1/DIN 2353 and is offered in sizes from 6 mm to 42 mm thus providing for both the L and S series. The connection system has a 4:1 pressure safety factor and is capable of operating pressures ranging from 250 bar to 800 bar depending on tube size and fitting series.

The Walterscheid product line is available from either of the Hydraulic & Automation Warehouses or Hytec operations nationally.

For more information contact Richard van Rooyen, HAW, +27 (0)11 281 3800, richardvr@haw.co.za, www.haw.co.za





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