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Engineered Spring Supports — The Pipe Supports Blog

Big Ton Spring Supports Designed for a 98,250 lb. Load

July 24th, 2017 Comments off

Big Ton Spring Supports Designed for a 98,250 lb. Load

Type: Big Ton Spring Supports
Size: 29″ wide x 110″ long x 35″ high
Material: HDG Carbon Steel | A193 Gr. B7 Travel Stops and Load Column
Design: 98,250 lb. | 1-3/4″ Upward
Testing: Load Cell Test

This big ton spring support assembly was designed for a facility in Kansas. The assemblies are fabricated from hot-dipped galvanized carbon steel and include neoprene coated springs coils. The travel stops and load column material is A193 Gr. B7. The units measure 29″ wide x 110″ long x 35″ high and are capable of supporting loads up to 98,250 lb. while accommodating movements from 1-3/4″ upward. The big tons were tested with a load cell to insure proper operation throughout the big ton’s operating range.

C-Type Constant Spring Supports for a Refinery in Texas

July 10th, 2017 Comments off

C-Type Constant Spring Supports for a Refinery in Texas

Type: Constant Spring Supports
Size: 25″ in Height x 17-38″ in Length x 11-5/8″ in Width
Material: A-36 Carbon Steel with HDG Finish
Design: 981 lb. to 1828 lb. load | 2-1/2″ to 3″ Vertical Movement Range
Testing: Standard Load and Travel Testing per MSS Standards

Piping Technology & Products, Inc. designed and manufactured C-type constant spring support assemblies for a refinery in Texas. The constants are 25″ in height, 17-3/8″ in length, and 11-5/8″ in width. Their load capacities range from 981 lb. to 1828 lb., with a vertical movement ranging from 2-1/2″ to 3″. All constants were fabricated from A-36 carbon steel with a hot-dipped galvanized finish, and underwent standard load and travel testing per MSS Standards prior to shipment.

F-Type Variable Springs for a Refinery in Oklahoma

June 26th, 2017 Comments off

F-Type Variable Spring Cans for a refinery in Oklahoma

Type: Variable Spring Supports
Size: 70 7/8″ tall and 17 3/4″ wide
Material: Carbon Steel and PTFE Slide Plates
Design: 30,980 lb. load/2,083 lb. spring rate
Testing: 35,000 lb hydrotest

PT&P manufactured variable spring supports for a refinery in Oklahoma. These F-Type PTP-6 spring cans are 70 7/8″ tall and 17 3/4″ wide. They are completely fabricated from carbon steel with PTFE slide plates welded on the load flange and internal guide. They are designed for an operating load of 30,980 lb. .with a spring rate of 2,083 lb./in. and 0.49″ of movement. These variables were hydrotested with a load of 35,000 lb. prior to shipment.

PT&P Engineering and Design

March 28th, 2017 Comments off

Compact Springs Designed for an Oil Refinery Expansion Project

March 6th, 2017 Comments off

Compact Springs Designed for an Oil Refinery Expansion Project

Type: Compact Spring Supports (Disc Springs)
Material: Carbon Steel | PTFE, 25% Glass-Filled
Design: Movement: 1/32″ to 1/4″ | Load: 12,000 lb.
Testing: Standard Spring Rate & Calibration Tests

These compact spring supports were custom designed for an oil refinery expansion project. They will be installed underneath a heat exchanger supporting a load up to 12,000 lb. The space available was limited to 3″ in height and the movements ranged from 1/32″ to 1/4″. These compact springs are fabricated from carbon steel and utilize engineered Belleville (disc spring) washers. 25% glass-filled (PTFE) slide plates are bonded to the top of the load flange and provide a low coefficient of friction.

Variable Spring Supports Designed for a Furnace in Trinidad

February 21st, 2017 Comments off

Variable Spring Supports Designed for a Furnace in Trinidad

Type: F-Type Variable Spring Supports (Furnace Springs)
Material: Carbon Steel | Red Oxide Primer
Design: Movement: 1/2 “| Load: 398 lb. | Spring Rate: 84 lb./in.
Testing: Standard Spring Rate & Calibration Tests

PT&P designed and manufactured these F-Type variable spring supports for use in a furnace at a facility in Trinidad. We manufactured these furnace springs for an operating load of 398 lb., a movement up to 1/2″, and a springs rate of 84 lb./in. They are fabricated from carbon steel with a red oxide primer coating to protect against corrosion. Customer specifications required a modified, installed height, while maintaining the spring rate, operating load and install load. In order to accomplish this, PT&P designed, manufactured and attached, to each spring, a pedestal to accomplish the increased installed height.

Big Ton Spring Supports Designed for a Liquid Natural Gas Facility in Australia

February 7th, 2017 Comments off

Big Ton Spring Supports Designed for a Liquid Natural Gas Facility in Australia

Type: Big Ton Spring Supports
Size: 19-5/8″ x 19-5/8″ x 15″
Material: Hot-dipped Galvanized Carbon Steel | A193 Gr. B7
Design: Movements: 3/16 ” – 1/4″ | 16,619 lb. Load
Testing: Load Cell throughout Operating Range

These big ton spring supports were designed for a liquid natural gas (LNG) plant in Australia. They were selected because the application required supporting heavy loads as the supported equipment undergoes thermal expansion during operation. The assemblies are fabricated from hot-dipped galvanized carbon steel. The travel stop rods and nuts material is A193 Gr. B7. The units measure 19-5/8″ x 19-5/8″ x 15″ and are capable of supporting loads up to 13,619 lb. while accommodating movements from 3/16″ to 1/4″. The big tons were tested with a load cell to insure proper operation throughout the big ton’s operating range.

Constant Spring Support Assemblies Designed for a Chemical Plant in New Jersey

January 23rd, 2017 Comments off

Constant Spring Support Assemblies Designed for a Chemical Plant in New Jersey

Type: Constant Spring Supports
Size: PTP 200 C-Type Double Suspension
Material: Hot-dipped Galvanized Carbon Steel | Epoxy Coated Springs
Load: 8,000 lb. – 19,000 lb. | Upward Movement: 6″ – 9″
Testing: Standard Load and Travel Test

PT&P designed twelve constant spring support assemblies for a chemical plant in New Jersey. The assemblies will be used as replacements in a recuperator up-leg and down-leg application in conjunction with custom cross-over supports previously fabricated by PT&P. Physical sizes of these constant assemblies range from 18-1/2″ x 22″ x 64″ to 18-1/2″ x 26″ x 83″. Operating loads range between 8,000 lb. – 19,000 lb. and each allows for upward movement between 6″ – 9″. The spring coils are coated with epoxy instead of the standard neoprene coating. Standard load and travel tests were completed prior to shipment.

PT&P Variable Spring Supports

January 10th, 2017 Comments off

Variable Spring Hangers Designed for an Ammonia Plant

January 9th, 2017 Comments off

Variable Spring Hangers Designed for an Ammonia Plant

Type: B-Type Variable Spring Hanger
Size: PTP-2 Standard Variable Spring
Material: Hot-dipped Galvanized Carbon Steel
Design: 0.955″ Downward Movement | Cold Load: 12,183 lb. | Hot Load: 14,723 lb.
Testing: Hydro-load Test: 15,750 lb.

PT&P designed and fabricated variable spring hangers for an Ammonia Plant in Louisiana. This B-Type PTP-2 variable hanger is fabricated from carbon steel and hot-dipped galvanized to protect against corrosion. The variable is designed for 0.955″ of downward movement and an installed load of 12,183 and an operating load of 14,723 lb. This variable included a 1″ forged steel clevis and the assembly was tested at a hydro-load of 15,750 lb.

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