C-Type Constant Springs Designed for a Chemical Plant in Italy

January 29, 2018

C-Type Constant Springs Designed for a Chemical Plant in Italy

Type: Constant Spring Supports
Size: 14″ x 19″ x 64″
Material: A36 Carbon Steel
Design: 2 1/2” to 5” Total Travel and 7,681 lb. Load
Testing: Standard Load and Travel Tests

PT&P custom designed and manufactured C-Type constant spring supports for a chemical plant in Italy. The constants were designed for travel from 2 1/2” to 5” and are specified to carry a load of 7,681 lb. They are fabricated from A36 carbon steel and have a physical size of 14″ x 19″ x 64″. The supports were designed for max deviation of 6%. The standard load adjustment is 10%. However, this unit was designed with capability of up to 20%, while the standard load deviation is 4%. This constant was custom designed to allow for single pin connection with negligible constant frame at the pin connection. A multi-position locking device was installed, and standard load and travel tests were performed to ensure quality and precise performance.

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U-Type Constant Spring Supports for a Plant in Texas

January 12, 2018

U-Type Constant Spring Supports in Texas

Type: Constant Spring Supports
Size: 35 7/16″ Height & 75 3/4″ Length
Material: A36 Carbon Steel with HDG/304 Stainless Steel
Design: 9″ Total Travel at 979°F & Operating Load 6183 lbs.
Testing: Hydrotested at 6744 lbs.

These 200 U-Type constant spring supports with slide plates were designed by PT&P for a plant in Texas. They are fabricated from A36 carbon steel with an HDG finish and the slide plates manufactured from 304 stainless steel. Its dimensions are 35 7/16″ in height and 75 3/4″ in length. They are designed for 9″ of total travel at 979°F and an operating load of 6183 lbs. The units were hydrotested at 6744 lbs. prior to shipment.

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Custom All Stainless Steel Variable Spring Supports for a Floating LNG Platform in Singapore

January 2, 2018

Custom All Stainless Steel Variable Spring Supports for a Floating LNG Platform in Singapore

Type: Variable Spring Supports
Material: Alloy 2205 Duplex/SAE 5160H
Design: Operating Load up to 3,597 lbs./Operating Temperatures of -15-200°F
Testing: Standard Load & Travel Tests

PT&P manufactured these custom variable spring supports for a floating LNG platform in Singapore. The spring housings are fabricated with alloy 2205 duplex and the coil manufactured from – SAE 5160H. The variables installed heights that range from 10-3/4” to 12–1/16” and are designed for an operating load up to 3,597 lbs. Also load test dye penetrate test was performed operating temperatures of -15°F. These variable springs are also designed to suit a high corrosive environment. They can operate in temperaturs ranging from -14-200°F without compromising its load carrying capacity.

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