Home News CEJN Introduces Coupling for Construction and Demolition Industries

CEJN Introduces Coupling for Construction and Demolition Industries

Equipment & Products

TLX Series coupling is designed for high surge flows and tough pressure impulses.

CDR Staff November 6, 2013

CEJN, Gurnee, Ill., has introduced the TLX series coupling which the company describes as a flat-face twist lock coupling for the toughest applications in the construction and demolition segment. This quick connect coupling is designed to work with the highest surge flows and the toughest pressure impulses, the company says.
TLX is made from high alloy steels with zinc-nickel surface treatment for a long life in the harshest conditions. The series is available in sizes from three-fourths inches to one-and-one-fourth inches to cover most applications.

The company notes the most common reason for failure of screw-to-connect couplings in heavy duty applications is high surge flows. When using a crusher on concrete operators will build up high pressure just before biting through the concrete. The moment the crusher bites through the concrete, an extreme surge flow briefly occurs. This surge flow can be several times higher than the ordinary flow rate in the machine and is the cause of many coupling failures. The solution had been to use bulky oversized couplings at much higher cost than TLX.

The CEJN TLX has its roots in a patented design with verified performance over many years in industrial auto-couplings which are connected at full working pressure on both sides and used in tough impulse applications, says the company. The design of the TLX valve package is highly robust and the seals are protected from being flushed away by surge flow, the company adds. TLX is designed with a high-pitch, high-strength round thread profile but without sensitive eliminators or complicated locking systems.

The flow rate of the TLX is not limited to a certain level as it can handle high flow without failures, according to CEJN. The limitation is on the part of the machine as you don’t want to get too high a pressure drop as this will lead to heat build-up in the hydraulic system. If you choose the appropriate size TLX for the flow rate the pump generates, The TLX will also handle the surge flow that can occur in certain applications, according to the company.
 

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