U-Type Constant Spring Supports with Stainless Steel Slide Plates

September 30, 2020

 U-Type Constant Spring Supports with Stainless Steel Slide Plates

PT&P custom-designed U-type constant spring supports for an oil refinery in Texas. Constants can be utilized in refineries within blocks such as hydrogenation units, naphtha desulfurization units, and fluid catalytic crackers. The spring’s frame is manufactured from A36 carbon steel and hot-dipped galvanized to protect against corrosion. For instances where there was axial and lateral movement, 240 Gr. 304 slide plates were installed on the load flanges of the constants. The constants supplied are designed for an operating load ranging from 1,085 lb. up to 17,480 lb. and horizontal travel from 2.5” to 6”. The overall dimensions range in size from 17” H x 20” W x 31” L to 28” H x 26” W x 66” L. Load and travel tests per industry standards were performed prior to shipment.

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Hold-Down Pipe Clamps for a Steam Methane Reformer (SMR) Supplying High-purity Hydrogen

September 23, 2020

Hold-Down Pipe Clamps Designed to Limit Vibration Caused by Rotating Equipment and Avoid Damage to the Surrounding Piping System

PT&P has extensive experience involving the custom design and fabrication of hold-down pipe clamps for piping systems and skid mounted units for the power, chemical, and refineries industries throughout the world. These hold-downs are custom designed to limit vibration caused by rotating equipment and avoid damage to the surrounding piping system. They are fabricated from carbon steel with a hot-dipped galvanized coating and include PTFE slide plates to reduce the friction between the pipe and clamp, combined with fabric pads to reduce vibration dampening. The hold-downs are designed for pipelines ranging in 2” to 16” diameter. They range from 3″ wide x 9-1/8″ long to 8″ wide x 25-3/4″ long, and designed for an operating temperature of 200°F. We performed a Q.C. visual inspection prior to shipment. PT&P can custom design and fabricate hold-downs for any pipe size application. In addition to hold-downs, PT&P also offers other types of vibration control devices to accommodate different pipe orientations and locations.

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