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The Pipe Supports Blog

2,650 lb. load C-Type Constants

September 26th, 2003 No comments
2,650 lb. load C-Type Constants

2,650 lb. load C-Type Constants

Piping Technology and Products, Inc. recently fabricated 22 Carbon Steel PTP 200-C type Horizontal & PTP 100-C type Vertical Constants with sizes from 3 to 27.  The load capacity of the constants spans between 215 to 2650 lbs., with a travel ranging from 1” to 4”.  The three bolt clamps are fabricated from stainless steel material A 240 Gr. 304 for 4″ to 8″ dia. pipes.  The rod and turnbuckle were shortened on two of the constants in order to accommodate situations of small rod take out. Standard load and adjustment testing was performed.

Want to learn more about constants? Instantly view a past constant webinar today!


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Cold Shoes with a Load Capacity of 75,000 lbs

September 19th, 2003 No comments
Cold Shoes with a Load Capacity of 75,000 lbs

Cold Shoes with a Load Capacity of 75,000 lbs

Cold Shoes with a Load Capacity of 75,000 lbs

Cold Shoes with a Load Capacity of 75,000 lbs

PT&P recently designed and manufactured over 1,000 Coldshoes for an LNG Plant in Egypt.  These shoes are designed to support loads up to 75,000 lbs. at an operating temperature of -350°F. They are customized to fit pipe sizes of 20”, 24”, 30”, and 36”. All Coldshoes are composed of stainless steel with a Micarta® insulator.  Micarta® is a woven glass fabric laminated with epoxy resin. It is extremely high in mechanical strength, has low moisture absorption and dissipative factors, and has superior electrical characteristics which are exhibited over a wide range of temperatures and humidities.

Do you see a need for cold shoes in your piping system? Get pricing today!


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Cryogenic Supports with Permali® Block

September 16th, 2003 No comments
Cryogenic Supports with Permali® Block

Cryogenic Supports with Permali® Block

The above design shows cryogenic supports with Permali® block. Permali® block is a laminated phenolic material from layers of wood impregnated under vacuum and heat with synthetic resin. These pipe shoes can be designed to restrain very high axial, lateral and vertical loads. These shoes are used for LNG pipeline sliding supports with TEF slide plates.

Do you require cryogenic pipe supports for a current or future project? Get pricing today!


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Two 15’-0” long Carbon Steel Sway Struts for a Cycle Unit Project

September 5th, 2003 No comments
Two 15’-0” long Carbon Steel Sway Struts for a Cycle Unit Project

Two 15’-0” long Carbon Steel Sway Struts for a Cycle Unit Project

Sweco Fab recently designed and manufactured two carbon steel sway struts with 2” adjustment capabilities for a cycle unit project. The sway strut is constructed of an 8” diameter pipe, 130 ¼” long, assembled with rod ends and brackets for an overall assembly length of 15’-0”. The 2” adjustment capability is accompanied by a load capacity up to 128 KIPS. Sway struts are used to restrain movement of piping in one direction while providing movement from thermal expansion or contraction in another direction.

Do you see a need for sway struts in your piping system? Let us price them for you today!

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61" x 61" Graphite Slide Plates for a Refinery Project in India

August 29th, 2003 No comments

61" x 61" Graphite Slide Plates for a Refinery Project in India

61" x 61" Graphite Slide Plates for a Refinery Project in India

PT&P designed and fabricated eighteen graphite slide plates for a refinery project in India. These plates are made of graphite sheets with thicknesses of 6mm and 12mm. The overall dimensions of the plates are 3/8″ x 19-11/16″ x 19-11/16″ and 3/8″ x 61″ x 61″. The plates will be tack welded on top of big ton spring supports in the refinery to minimize frictional effects.

Do you see a need for slide plates in your piping system? Let us price them for you today!


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Categories: Slide Plates Tags: ,

20,500 lb Riser Clamps for a Power Plant

August 22nd, 2003 No comments
20,500 lb Riser Clamps for a Power Plant

20,500 lb Riser Clamps for a Power Plant

PT&P recently fabricated 22 Fig. 190 Type 3 riser clamps for suspending the vertical runs of pipe at the central power plant in Puerto Rico.  The clamps are designed for 17″ and 24” pipes and have an overall length of 71″ and 87” respectively. Both designs have a bar stock size of 1.75″x10″ and load bolts of 2.75″ diameter. Utilizing gusset plates at the clamp’s bend radius allowed for the smallest, yet sufficient clamp stock size for the specified loads. The smaller clamp has an operating capacity of 14,000 lbs while the larger operates at 20,500 lbs. Chrome-Moy 387 Grade 22 bar stock was used with A193 Grade B7 bolting to accommodate high temperature operating conditions.

Do you see a need for riser clamps in your current or future project? Get pricing now!


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Spray Nozzle Assemblies for a Special Pressure Application

August 15th, 2003 No comments

Spray Nozzle Assemblies for a Special Pressure Application

Spray Nozzle Assemblies for a Special Pressure Application

Sweco Fab. Inc. recently manufactured 16 injection spray nozzle assemblies from INCO 625 material for a specific pressure application.   Each nozzle is made up of a 1½ S/160 pipe. The quill construction is clog proof and utilizes the turbulence created by its unique design to achieve distribution of the injected liquid into the product flow.

Do you require spray nozzle assemblies as described above? Get pricing today!


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8,500 lb. Load Clamp Support Assembly

August 8th, 2003 No comments
8,500 lb. Load Clamp Support Assembly

8,500 lb. Load Clamp Support Assembly

8,500 lb. Load Clamp Support Assembly

Clamp and Variable Spring Assembly

PT&P recently designed and manufactured a support assembly with two PTP-2 Type C spring hangers and a special clamp support. The springs are designed for an 8,500 lb load and a maximum travel of 1″. The entire pipe hanger assembly, with a net weight of 860 lbs, was fabricated from Carbon Steel and A-387 GR. 22 Chrome. The springs were calibrated to determine the exact spring rate prior to adjusting to customer specifications.

Want to learn more about pipe clamps? Instantly view a past pipe clamp webinar now!



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Custom Carbon Steel Anchors and Shoes

July 25th, 2003 No comments
Custom Carbon Steel Anchors and Shoes

Custom Carbon Steel Anchors and Shoes

Piping Technology and Products, Inc. fabricated 4702 carbon steel shoes for various pipe sizes ranging from 2” to 10”. As per customer request, the shoes are designed to accommodate 30 PSI compressive strength. A three-coat paint system was applied for corrosion protection. All supports were liquid dye-penetrant tested at 5% of welds.

Custom Carbon Steel Anchors and Shoes

Anchors & Shoes on Shipping Floor

Do you need custom pipe anchors for your current or future project? Let us price them for you today!
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1,520 Spring Assemblies for a Chemical Plant

July 18th, 2003 No comments
1,520 Spring Assemblies for a Chemical Plant

1,520 Spring Assemblies for a Chemical Plant

PT&P recently manufactured 1,520 PTP-2 and PTP-4 spring hanger assemblies designed specifically for a furnace application. These custom variable springs have welded components as opposed to bolted components found in standard assemblies. Due to the space limitation within the furnace, the spring coils were set in a welded housing which allows for the springs to be closely oriented within a smaller spatial envelope. The pipe hanger assemblies are made from carbon steel, consisting of variable spring, rod, and riser clamp components. Instead of galvanizing, the assemblies were coated with a red-oxide primer due to the high temperature operating conditions of the furnace. This prevents the possibility of molten zinc (from the galvanizing process) contaminating the furnace tubes.

1,520 Spring Assemblies for a Chemical Plant

1,520 Spring Assemblies for a Chemical Plant

The springs are designed for loads of 143 to 660 lbs. and for total travel ranging from 3/4 to 2″. Each assembly was pre-assembled to ensure free movement throughout the spring’s travel range before welding the bottom closure plate. Prior to shipment, all assemblies were calibrated to determine the exact spring rate and then were set to the customer’s designated cold load position. These springs are then located and installed into the furnace based on the spring rate.

Do you see a need for spring assemblies in your piping system? Get a quote today!

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Mailing: P.O. Box 34506, Houston, TX 77234-4506 Location: 3701 Holmes Road, Houston, TX 77051
Our Subsidiaries: U.S. Bellows: Metallic & Fabric Expansion Joints, Bellows
Sweco Fab: ASME Vessels, Pig Launchers, Spectacle Blinds
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