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Pipe Clamp — The Pipe Supports Blog

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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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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Various Variable Support Assemblies for a Power Generation Facility

April 25th, 2003 No comments
Various Variable Support Assemblies for a Power Generation Facility

Various Support Assemblies for a Power Generation Facility

Piping Technology & Products, Inc. designed and manufactured 85 support assemblies for a power generation facility in Georgia.   These assemblies consisted of Variable and Constant Assemblies and structures made with carbon steel and alloy material. The variable spring hanger assemblies have standard three-bolt clamps and lug attachments for the existing pipes. These variable spring hangers accommodate operating loads varying from 8,000 to 18,000 lb. and 1-1/2 ” of upward travel. PT&P also manufactured a Fig.43 (heavy duty yoke u-bolt) for a 14″ diameter pipe. Components of the Fig. 43 include yoke, U-bolt, shield, and lug. The structure (beam, plate, angle, and tube steel) was painted green as per the customer’s specifications.

Want to learn more about variable springs? Watch a past variable spring webinar today!


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Variable Assemblies with Pre-Insulated Pipe Clamps

April 11th, 2003 No comments
Variable Assemblies with Pre-Insulated Pipe Clamps

Variable Assemblies with Pre-Insulated Pipe Clamps

Variable Assemblies with Pre-Insulated Pipe Clamps

Pre-Insulated Pipe Clamp

Piping Technology & Products, Inc. designed and manufactured several variable assemblies with pre-insulated pipe clamps for a chemical company in Texas. These assemblies are constructed of galvanized carbon steel hangers and hardware with Marinite® insulation.  The fabricated clamps range in size from 10″ to 30″, insulation thickness of 1″ to 8″ and with spring hanger sizes 80-180 standard, double, and triple variable spring hangers.

Do you require variable springs or pre-insulated pipe clamps? Let us price them for you today!
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3 Custom Built Disc-Spring Arrestors with Clamps

February 28th, 2003 No comments
3 Custom Built Disc-Spring Arrestors with Clamps

3 Custom Built Disc-Spring Arrestors with Clamps

The disc-spring arrestors provide resistance by utilizing disc springs (sometimes referred to as Belleville® washers) stacked in a series within the assembly housing to produce a specific spring rate.  By utilizing large (over 8 diameter) disc springs, very high spring rates may be obtained.  The arrestors are capable of operating in both tension and compression.

The housing, end bracket, and extension pieces of the spring arrestor are made form A-36 carbon steel. The disc springs are made from ASTM A-1075 spring steel. One clamp (for design temp. of 688 degrees F.) was made from carbon steel and two clamps (for design temp. of 1054 degrees F.) were fabricated from A-387 GR.22 Chrome-Moly steel.

The diameter of each disc spring was 9 with a thickness of 1. The overall pin-to-pin dimension for the assemblies varied with a minimum of 35 and a maximum length of 57. The maximum length that can be accommodated is 120. The clamps were made for 18 and 30 diameter pipes.

The shock arrestor will see a maximum operating load of 43,000 lbs. The spring rate of each arrestor was designed at 40,000 lb./in. The spring arrestors are designed for a maximum displacement of 2. The arrestors were tested to verify spring rate and to confirm the operation of the pipe hanger assembly.

Do you have a need for spring arrestors or pipe clamps in your current or future project? Get pricing today!
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Straps for a Chemical Plant in Texas

November 22nd, 2002 No comments
Straps for a Chemical Plant in Texas

Straps for a Chemical Plant in Texas

Piping Technology & Products, Inc. recently designed and manufactured two strap assemblies for a chemical plant in Texas.

These 24′ x 8 straps are comprised of A516-70 plates, struts, pipe clamps, SCHXS and SCH160 pipe, and fabricated turnbuckles. This job was completed within two weeks to meet the customer’s quick turnaround requirements.

Do you require pipe straps in your piping system? Get pricing today!  

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Hold Down Clamps for an Engineering and Construction Company

August 2nd, 2002 No comments
Hold Down Clamps for an Engineering and Construction Company

Hold Down Clamps for an Engineering and Construction Company

Piping Technology & Products manufactured 2″ hold down clamps (figure HD-1) for an engineering and construction company.

The figure HD-1 is PT&P’s anchor type hold down and is usually used on pipe lines where little or no insulation is required. These hold down clamps were constructed of SA36 carbon steel for temperatures to 750ºF.

Need hold down clamps? We’re happy to serve your needs!

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40 Clamp Attachments for a Petrochemical Plant

May 10th, 2002 No comments
40 Clamp Attachments for a Petrochemical Plant

40 Clamp Attachments for a Petrochemical Plant

The clamp attachments shown are used for supporting vertical pipe sections to vessel clip anchors. These braces are designed for a maximum horizontal moment of 15,000 ft-lb at the vessel clip. All the clamps provided were made of carbon steel with a hot-dip-galvanized finish. The pipe hanger assembly lengths were fabricated per specifications provided by the client.

The clamp components were designed and fabricated for non-standard pipe diameters (i.e. 13-3/4″, 16-1/2″) so that they could be used on insulated or finned pipelines.

Are you in need of clamp attachments? Request a quote today and receive a response within 48 hours!

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24", Chrome-Moly, Three-Bolt Clamps with Stanchions

April 5th, 2002 No comments
24", Chrome-Moly, Three-Bolt Clamps with Stanchions

24", Chrome-Moly, Three-Bolt Clamps with Stanchions

Piping Technology & Products, Inc. designed and fabricated 24″, chrome-moly, three-bolt clamps with horizontal guide stanchions for a 765 MW natural gas-fired combined cycle facility in Mexico.

These clamps, in conjunction with variable springs, will allow for vertical and axial pipe movement while restricting lateral movements. They were made for 24″ OD pipe from 1-1/2 x 9″ stock material. Based upon design considerations, the clamp “E” dimension, from pipe centerline to outer load bolt, was 25″. The clamps were designed for operation at 1065°F and per customer-supplied information, the vertical design load was 1,848 lbs and the maximum lateral load was 19,207 lbs.

The clamp plates are made of A387 GR. 22 plate material, stanchion pieces of A335 GR.22 pipe and the side stop plates of carbon steel.

Want more information on three-bolt clamps? Learn more about them in our webinar archives!




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66" Diameter, Three-bolt Pipe Clamp

February 8th, 2002 No comments
66" Diameter, Three-bolt Pipe Clamp

66" Diameter, Three-bolt Pipe Clamp

66" Diameter, Three-bolt Pipe Clamp

66" Diameter, Three-bolt Pipe Clamp

Piping Technology & Products, Inc. custom designed and fabricated a 66-inch diameter, three-bolt pipe clamp for a chemical company located in Deer Park, Texas.

The clamp will be used in conjunction with a PT&P Spring Hanger and a length of rod in order to support the pipeline.  After formation, the clamp’s dimensions measured at 97.75 OAL and 69.5 at its widest point. By using a FEA program, the clamp was designed for an operating load of 24,000 pounds at 500° F. The materials used consisted of 1 ¾ x 10 x 128 ¼ thick A-36 Carbon steel, with three 2½ studs and nuts.

In need of some three-bolt pipe clamps? Request for pricing today!

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