DIN 2353 connections attach SS instrumentation pipe fittings and hydraulic components to hoses, ducts, BSP, closure plugs and shut-off valves. Their designs are for particular functions in petroleum, paper, chemical, power generation, pulp and assorted other mechanized industries. Today’s marketplace for hydraulic fluid connectors stresses three significant factors. Pneumatic pipe couplings must have cast-iron safety, display straightforwardness of assemblage, and supply leak-free rigidity. These fundamental elements are currently ensconced in edicts regarding product liability laws over and above workplace safety regulations.
These cutting ring couplers and bite type fittings are manufactured to comply with ISO 8434-1/DIN 2353 specifications. The DIN 2353 mechanical fitting has a double cutting ring to generate double stapling attachment to the tube. As a quick coupler, the ring aids in the swift assembly of removable tubes, an invaluable benefit indeed.
This pioneering arrangement of body, tightening nut and cutting ring boasts the desirable advantage of precluding the necessity for welding. Flaring and tapping of pipework are also both circumvented. The ultimate achievable simplicity in an oleo-dynamic system would be achieved through hydraulic connectors.
The fact that these connections are manufactured with twin elastomer seals on each ring adds to the speediness with which the tubes can be removed. Another boon of the design of these hydraulic steel fittings is that the act of tightening the nut means that the ring automatically deforms to the measurements of the cone within the coupler. As it distorts, the ring nips into and grasps the metal tubing. This fashions two entrenched grooves. One channel bestows the band with water-tightness, and prevents the problem of anti-threading the ring; the other, invisible crease acts to maintain equilibrium of the forces applied across the entire ring, it also forestalls vibrations from getting to the first channel and arrests the stapling at predetermined values.
The features of all of the three categories of DIN links and pipe ports each include a lock that warrants a flawless seal, whatever solution the tubes are intended to transport. This fail-safe seal is reliant on verifying that only non-corrosive liquids are used. Equally imperative is to check that the listed pressures are not to be exceeded.
The extra light range (called the LL series in the trade), is suitable for working pressures of up to one hundred bar. For medium to high pressures of up to three hundred and fifteen bar, there is the L range. In severe conditions (such as water hammering, high temperatures and pressures of a maximum of six hundred and thirty bar) the heavy duty, S range is required. Working conditions which range is the correct option to choose.
A solitary line on a large ship or an oil rig can consist of many thousands of closure plugs, shut-off valves, bulkhead connectors and other fluid system components. Only workers who have passed an appropriate course on the assembly and alignment of such fittings can carry out each of these connections. Human error can be costly and potentially lethal.
The use of a Walform machine takes human error out of the DIN 2353 equation. This portable tube reshaping technology can be used by anyone to produce first-rate tube connections in an average of just five to eight seconds. Rapid, safe results can be achieved in this manner.
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Author: Charlotte McBrideThis author has published 38 articles so far.