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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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PT&P Designed and Fabricated Variable Springs for a Refinery in Texas City
July 20, 2020

Pt&Amp;P Designed And Fabricated Hanger And Base-Type Variable Springs, Constant Spring Supports, And Sway Struts For A Refinery In Texas City

Type: G-Type Variable Spring Support Assemblies
Design: Operating Loads from 3000 lb. to 4000 lb.
Movement of 1”
Material: Carbon Steel
Testing: Load & Travel Test |  Q.C. Inspection

Pictured here is a Type G variable spring hanger assembly designed for an operating load up to 4000 lb. and 1” movement. This type of support assembly is formed by welding two standard spring assemblies to the ends of a pair of channels. The Type G assembly is especially adaptable for avoiding interference in spaces where the headroom is limited. The assemblies are fabricated from carbon steel and underwent spring load tests before shipment.

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Constant Spring Supports Designed for LNG Service in Louisiana
July 7, 2020

Constant Spring Supports Designed For Lng Service In Louisiana

Type: B-Type Constant Spring Supports
Size: 11-5/8 W x 41” L x 19” H to 21” W x 88” L x 38” H
Material: A36 Carbon Steel | Hot-dipped Galvanized
Design: Operating Load Range: 3,170 lb. to 48,400 lb.
Movement of 3” to 8”
Testing: Q.C. Inspection | Load and Travel Tests

PT&P manufactured B-type constant spring supports for LNG service in Louisiana. These constants are fabricated from A36 carbon steel with alloy steel 5160 spring coils. The constants are designed for an operating load range of 3,170 lb. to 48,400 lb., and movements from 3” to 8”. They range in size from 11-5/8 W x 41” L x 19” H to 21” W x 88” L x 38” H. To avoid delivery delay, a standard frame was paired with an oversized coil and coil housing. The lugs were rotated 90 degrees from the standard to allow the hanger to swing beyond +/- 4” of side-to-side swing. Standard load and travel tests were performed prior to shipment.

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6-1/2 Foot Diameter Custom Insulated Sliding Pipe Shoes for HVAC Service at a Semiconductor Manufacturing Facility
June 8, 2020

6-1/2 Foot Diameter Custom Insulated Sliding Pipe Shoes For Hvac Service In Oregon

Type: Insulated Sliding Pipe Shoes
Size: 78″ NPS | 12″ L x 90″ H x 85″ D
Material: HDG Carbon Steel | High-Density Calcium Silicate
Design: +/- 3″ Axial & +/- 1″ Lateral Movements
Operating Loads up to 88,000 lb.
200°F Temperature Pipeline
Testing: Q.C. Inspection | Visual & “Fit-Up” Tests

PT&P custom designed insulated sliding pipe shoes for HVAC service at a semiconductor manufacturing facility. The shoes are fabricated from A36 carbon steel and hot-dipped galvanized for corrosion resistance, and include insulating material consisting of high-density calcium silicate. The insulated sliding shoes are designed for a 78″ pipe size with overall dimensions of 12” L x 90” H x 85” D to accommodate +/- 3″ axial and +/- 1 lateral movement at a pipeline temperature of 200°F. This design can accommodate operating loads of 88,000 lb. with each shoe weighing approximately 1,200 lb. Our quality control department performed visual and “fit-up” tests for this “Rush” shipment. *image shows product during assembly

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F-Type Constant Spring Supports Designed and Manufactured for Gas Plant
April 20, 2020

F-Type Constant Spring Supports Designed And Manufactured For Gas Plant

Type: F-Type Constant Spring Supports
Size: 36″- 87″ Length | 24″ Height
Material: A36 Carbon Steel | HDG | SS Slide Plates
Design: 13,500 lb. Load | 250°F | 17.5″ Travel
Testing: Q.C. Inspection | Load and Travel Tests

PT&P custom-designed multiple horizontal F-Type constant spring supports for a gas plant in Saudi, Arabia. The constants are provided with stainless steel slide plates and custom-designed for 17.5” total travel. They are fabricated from carbon steel, hot-dipped galvanized and painted to withstand a highly corrosive environment. The assemblies are 24” in height, 36” – 87” in length, designed for an operating temperature of 250°F and loads up to 13,500 lb. Load tests and dye penetrant testing was conducted prior to shipment.

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Fabricated Duct Work Transition Pieces for Polyethylene Dust in a Chemical Plant
March 30, 2020

 


Fabricated Duct Work Transition Pieces For Polyethylene Dust In A Chemical Plant

Type: Duct Work Transition Pieces
Size: 10” NPS | 15″ Length | 13-1/2″ SQ Flange End
Material: Carbon Steel  | 3-Coat Paint System
Test: QC Inspections | 100% Dye-Penetrant Exam

Sweco Fab., a division of PT&P custom designed multiple duct work transition pieces for polyethylene dust at a chemical plant in Louisiana. The units are fabricated from carbon steel and include a 3- coat paint system on the outside, with a light grey finish. The dimensions are 15” length, 13-1/2” SQ flange end, and 10” NPS at the other end. Transition pieces are normally used to join duct work of dissimilar cross-sections and sizes. Media passing through the transition piece can be air, liquid, gasses, dust, dirt, chemicals, etc. Prior to shipment, each of the units underwent quality control inspections including 100% dye-penetrant examination.

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Cold Insulated Supports at a Chemical Plant in Texas
March 24, 2020

 

A6000U Series Insulated Supports For Cold Temperature Piping At A Chemical Plant In Texas

Type: Pre-Insulated Pipe Supports | Cold-Temperature
Size: 1/2″ -3″ Pipe Sizes | 4″ Thick Insulation
Material: Polyurethane Insulation | HDG CS Jackets
Testing: Q.C. Inspection & Tests

Pipe Shields, a division of PT&P, custom-designed multiple A6000U series insulated supports for a chemical plant in Texas for cold temperature piping. The cold pre-insulated shoes are fabricated from carbon steel with galvanized jackets, polyurethane foam insulation (PUF) and a vapor barrier. They are designed for pipe sizes ranging from 1/2” to 3” with insulation up to 4” thick. Standard quality control tests were performed prior to shipment.  Learn more about our pre-insulated supports and place your order with us today!

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High Temperature Pre-Insulated Sliding Pipe Shoes
February 3, 2020

 

Pre-Insulated Sliding Pipe Shoes Designed With Frp Lining And Firetemp® Insulation For High-Temperature Pipelines

Type: Pre-Insulated Sliding Pipe Shoe | High-Temperatures
Size: 15″ Long | 4″ B.O.P. | 1-1/2″ – 3″ Dia.
Material: Firetemp® Insulation | HDG CS | SS on Polyethylene
Testing: Q.C. Inspection & Tests

PT&P custom designed pre-insulated sliding pipe shoes with FRP lining for high-temperature pipelines in Ohio. The “hot shoes” are 15” long, range in diameter from 1-1/2” to 3” and are designed for a B.O.P. of 4”. The shoes are designed with Firetemp® insulation for temperatures up to 1800°F. The supports are fabricated from carbon steel with a hot-dipped galvanized finish and include stainless on polyethylene slide plates. A visual inspection was performed prior to shipping.

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FRP Wear Pads with Epoxy Adhesive Supplied for LNG Service
January 27, 2020

 

Frp Wear Pads For An Lng Service In The Caribbean

Type: FRP Wear Pads
Size: 2″ – 4″ Dia. | 6″ – 12″ Long | 1/2″ Thick
Material: Vinyl Resins
Testing: Standard Visual and Dimensional Tests

PT&P fabricated 160 FRP wear pads for an LNG facility in the Caribbean. The wear pads are for pipes ranging from 2” to 4” in diameter 6” to 12” long and 1/2” thick. They are fabricated from vinyl resins and are designed for operating temperatures up to 400°F. The FRP pads are secured to the pipe using an epoxy adhesive to protect the uninsulated pipe from the support structure. Standard visual and dimensional tests were performed prior to shipment.

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