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Variable Springs with Permanent Adjustment Travel Stops — The Pipe Supports Blog
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Variable Springs with Permanent Adjustment Travel Stops


Variable Springs with Permanent Adjustment Travel Stops

Variable Springs with Permanent Adjustment Travel Stops

Piping Technology & Products designed and manufactured these variable springs with permanent adjustment travel stops for a refinery in Texas.

These types of travel stops are used to allow ease of installation, provide a means for field load adjustment within the working range of the spring, and allow the springs to be “locked” easily whenever they are taken out of service for shutdowns or refurbishment of the system.

For this requisition, a total of 23 variable springs with adjustable travel stops were fabricated.  The springs are made from carbon steel and the adjustment rods are made from A-325 high strength bolt material.  The springs ranged in size from PTP-1-60-F to PTP-2-180-F size spring.  The largest springs were set for an operating load of 12,900 lbs. and a hydrotest load of 14,000 lbs. and a maximum travel of ½.  All of the springs were tested in the load cell to insure proper operation. Per the customer’s request, these springs were supplied at an expedited delivery of 3 weeks.

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