Blog

Constant Spring Supports Designed for a Power Plant in New Mexico
March 7, 2016

Constant Spring Supports Designed For A Power Plant In New Mexico

PT&P fabricated constant support assemblies for a power plant in New Mexico. The constant assemblies will be used in conjunction with structural supports also provided by PT&P. Operating loads range between 7,000 lb. and 20,000 lb. and designed for movements from 10-1/2″ to 12″. All thread rods were coated with rust prevention compound and the constants were painted with Intergard® 475 HSS. The travel stops are wired to the constants frame and can be reused to lock the constant, preventing travel during plant maintenance or shutdowns. Standard load and travel tests were completed according to MSS standards prior to shipment.

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Variable Spring Hangers for an Upstream and Valve Project in Thailand
February 19, 2016

Variable Spring Hangers Designed For An Upstream And Valve Project In Thailand

PT&P designed and manufactured these variable spring hanger assemblies for an upstream and valve project in Thailand. The variables clamp sizes range from 6″ to 12″ diameter with installed heights ranging from 6-8/8″ to 12-1/4″ from the structure to the center of the pipe. The B-Type pipe hanger assembly uses coil springs to support the load and allow for some movement. They are furnished with one lug welded to the top of the spring casing which allows the assembly to be suspended from structural members for pipe support. All forty-seven variable spring supports were quality checked with a 100% spring coil deflection test and a load cell calibration to set the assemblies at the prescribed installed load.

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Sign-up for our next Webinar on Variable Spring Supports
February 11, 2016

This webinar is over, view the recording in our webinar archives

Variables11 E1392156710205Variable Spring Support Design, Size Selection, Installation & Maintenance Webinar

This Webinar will focus on the different types of variable spring supports and big ton variable spring supports. Learn about the special features available, in addition to the design of a variable support. View how the different coil configurations produce a unique response to an applied load and see how a spring assembly is loaded. Discover the basic steps in selecting a hanger design and the step by step process used to size a spring for your application. Learn about the different attachments, testing, and installation and maintenance procedures. View examples of failed supports provided by our Field Service Division and learn why they failed and how to prevent it. Gain knowledge of the valuable tips used when deciding to replace or re-calibrate a variable spring support, as well as adjustments, shutdown and isolation procedures.

 

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Big Ton Spring Supports Designed for an LNG Facility in Australia
February 8, 2016

Big Ton Spring Supports Designed For An Lng Facility In Australia

These big ton variable spring assemblies were custom designed for an LNG plant in Western Australia. They are specially designed with PTFE, 25% glass filled slide plates, and will be used under horizontal pressure vessel saddle supports. The big tons were selected due to a combination of heavy loads and thermal expansion. The units measure 30″ x 30″ and are capable of supporting a load up to 95,000 lb. with down travel of 2 to 5mm vertical.

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Custom Sway Strut and Pipe Clamp Assemblies for an LNG Plant in Australia
January 22, 2016

Custom Sway Strut And Pipe Clamp Assemblies For An Lng Plant In Australia

PT&P fabricated and designed 52 of these custom sway strut assemblies for a liquid natural gas plant in Australia. These are manufactured from carbon steel with 304 stainless steel pins. The pipe sizes range from 2”-72” diameter, with a total length ranging from 27” to 137”. The sway struts are fabricated to restrain either tensile or compressive force in one direction while providing for movement due to thermal expansion or contraction in another direction. These sway struts have an operating temperature of 650°F and are designed for operating loads ranging of 650 lb. to 120,000 lb.

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Special Sway Struts Designed for an LNG Plant in Australia
January 11, 2016

Special Sway Struts Designed For An Lng Plant In Australia

PT&P custom designed and fabricated 67 mini sway strut assemblies for a liquid natural gas plant in Australia. The sway struts are fabricated from galvanized carbon steel with 304 stainless steel pins. They are 14-7/16” long and capable of a 62,200 lb. load with an operating temperature of 650°F. The sway struts are fabricated to restrain either tensile or compressive force in one direction while providing for movement due to thermal expansion or contraction in another direction.

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G-Type Variable Springs Support Designed for an LNG Facility
December 23, 2015

G-Type Variable Spring Supports Designed For An Lng Facility

PT&P designed these G-Type variable spring support assemblies for an LNG facility in Saudi Arabia. The variables are comprised of two standard spring housing joined together with an intermediate bridge assembly. They are designed for an upwards travel range of 0.078″ to 0.118″. The variables were fabricated from carbon steel with a hot-dipped galvanized finish. Standard load and travel testing was completed prior to shipment.

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Product Highlights from 2015

 

108&Quot; Dia. Storage Tank Heavy Duty Yoke U-Bolt Pipe Clamps F-Type Variable Spring Supports
108″ Dia. Storage Tank and Containment Tank Heavy Duty Yoke U-Bolt Pipe Clamps F-Type Spring Supports for LNG
12&Quot; Tied Universal Ej 46&Quot; Dia. Inline P.b. Ej 30&Quot; Dia. Single Tied Ej 84&Quot; Dia. Ej For Fcc Unit 20&Quot; Dia. Double Gimbal
12″ Tied Universal EJ 46″ Dia. Inline P.B. EJ 30″ Dia. Single Tied EJ 84″ Dia. EJ for FCC Unit 20″ Dia. Double Gimbal Expansion Joint
14' Long Sway Struts 54&Quot; Hot Shoes U-Type Constant Springs
14′ Long Sway Struts 54″ Hot Shoes U-Type Constant Springs
90&Quot; Dia. Duct Work For An Ammonia Plant 11' Long Fabric Ej 16&Quot; Dia. Ss Single Ej's
90″ Dia. Duct Work for an Ammonia Plant 11′ Long Fabric EJfor a Gas Turbine 16″ Dia. Stainless Steel Single EJ’s
F-Type Constant Spring Supports Ss Rollers For A Wastewater Treatment Plant 24&Quot; Hold-Down Clamps W/ Ptfe Slide Plates For A Natural Gas Plant
F-Type Constant Spring Support Assemblies SS Rollers for a Wastewater Treatment Plant 24″ Hold-down Clamps w/ PTFE Slide Plates for a Natural Gas Plant
44&Quot; Dia. Fabric Ej's For A Chemical Plant Tied Universal Ej For A Nitrogen Plant 8&Quot; Dia. Tied Universal Expansion Joints
44″ Dia. Fabric EJ’s for a Chemical Plant Tied Universal EJ for a Nitrogen Plant 8″ Dia. Tied Universal Expansion Joints
Roller Stands Designed For A 10&Quot; Dia. Pipeline Sway Struts Custom Designed For A Chemical Plant
Roller Stands Designed for a 10″ Dia. Pipeline Sway Struts Custom Designed for a Chemical Plant
136&Quot; Universal Ej For A Thermal Power Plant 10' Long Ej For A Nuclear Energy Facility Stainless Steel Universal Ej's For A Pipeline
136″ Universal EJ for a Thermal Power Plant 10′ Long EJ for a Nuclear Energy Facility Stainless Steel Universal EJ’s for a Pipeline
Insulated Supports For An Ammonia Project Pipe Hanger &Amp; Clamps For Flue-Gas Desulfurization 16&Quot; Dia. Insulated Supports For High Temperatures
Insulated Supports for an Ammonia Project Pipe Hanger & Clamps for Flue-gas Desulfurization 16″ Dia. Insulated Supports for High Temperatures
16&Quot; Dia. Tied Universal Expansion Joints 6&Quot; Single Expansion Joints 28&Quot; Dia. Gimbal Ej With Floating Rings
16″ Dia. Tied Universal Expansion Joints 6″ Single Expansion Joints 28″ Dia. Gimbal EJ with Floating Rings
C-Type Variable Spring Hangers For A Power Plant 48&Quot; Dia. Cold Shoes For Light Hydrocarbon Production Facility Compact Spring Supports For A Heat Exchanger
C-Type Variable Spring Hangers for a Power Plant 48″ Dia. Cold Shoes for Light Hydrocarbon Production Facility Compact Spring Supports for a Heat Exchanger
10&Quot; Dia. Ej For Hvac Service 75&Quot; Long Ej For A Boiler Exhaust Application 153&Quot; Fabric Ej For A Gas Turbine Facility
10″ Dia. EJ for HVAC Service 75″ Long EJ for a Boiler
Exhaust Application		 153″ Fabric EJ for a Gas Turbine Facility
Variables For A Furnace Application In An Ammonia Plant 36&Quot; Dia. Cryogenic Pipe Saddles For Lng Service 42&Quot; Dia. Chrome-Moly Pipe Clamps
Variables for a Furnace Application in an Ammonia Plant 36″ Dia. Cryogenic Pipe Saddles for LNG Service 42″ Dia. Chrome-Moly Pipe Clamps
32&Quot; Dia. Externally Pres. Ej G-Type Variables 20&Quot; Dia. Inline Pressure Balanced Ej's
32″ Dia. Externally Pres. EJ G-Type Variables 20″ Dia. Inline Pressure Balanced EJ’s
F-Type Variables For A Chemical Processing Plant Constants For A Steam Methane Reformer Pipe Clamp Assembly For Partial Oxidation Unit In Synthetic Gas Plant
F-Type Variables for a Chemical Processing Plant Constants for a Steam Methane Reformer Pipe Clamp Assembly for Partial Oxidation Unit in Synthetic Gas Plant
Gimbal Ej's For A Flare Gas And Steam Application Single Ej's For A Hydrocarbon Vapor Pump
Gimbal EJ’s for a Flare Gas and Steam Application Single EJ’s for a Hydrocarbon Vapor Pump
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