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Category Articles
What is a pipe trunnion?
Added on Tue, Nov 2, 2010
Pipe trunnions could refer to a variety of supports that mainly function to support the pipe weight and generally used where little or no pipe movement is anticipated. Insulated Trunnions Read More
What are resting supports for piping?
Added on Tue, Nov 2, 2010
Resting supports for piping could refer to a variety of supports that's main purpose is to support the pipe weight and is generally used where little or no pipe movement is anticipated. Polyurethane Pipe Saddle Resting Support Read More
How is vertical piping suspended?
Added on Tue, Nov 2, 2010
The most common method for supporting vertical piping would be to first weld shear lugs into position, and then utilize a riser clamp which straddles the pipe. The load is then transferred by the riser clamp's load bolts through hanger rod... Read More
What is Permali®?
Added on Tue, Nov 2, 2010
Permali® is a high density insulating material comprised of layers of beech wood. The total insulation thickness is obtained by bonding the individual layers. This material is primarily used in cold temperature applications ranging from ambient... Read More
What are the different types of pipe supports in refineries?
Added on Tue, Feb 1, 2011
Pipe supports can be classified according to both their level of engagement (active or passive) and function (load-bearing, guiding, or anchoring). We designate support configurations whose primary capabilities are always engaged as active,... Read More
What is galvanized coating?
Added on Wed, Dec 1, 2010
Galvanized coating is a type of sealant to protect a pipe support against corrosion. It has two advantages over a zinc coating. During galvanizing, the molten zinc reacts with the carbon steel to form layers of zinc/iron alloys. The alloy layers... Read More
What is a pipe support?
Added on Tue, Nov 2, 2010
A pipe support is a device used to carry the weight of the pipe, any in-line equipment, and the material in the pipe over a defined span. The four main functions of a pipe support are to guide, anchor, absorb shock, and support a specified load. ... Read More
Is neoprene or galvanized coating a better option?
Added on Fri, Feb 11, 2011
Neoprene coating is generally applied to pipe support components that require flexibility such as spring coils whereas the hot dipped galvanizing coating would be applied to rigid pipe support components. Spring Coil with Neoprene Coating Read More
What is FRP?
Added on Wed, Aug 3, 2011
FRP stands for fiberglass reinforced plastic. It Is a material that is made up of a polymer matrix reinforced with fibers. At Piping Technology, we provide FRP wear pads that are fabricated from FRP pipe. These pads are secured to pipes using an... Read More
How do I get a pipe support custom made?
Added on Wed, Feb 23, 2011
Piping Technology makes a variety of custom made supports. Please send your requirements to info@pipingtech.comor fill out the convenient form online to determine whether or not your custom needs can be supplied. Quote Request Form Custom... Read More
How many types of insulation do you provide?
Added on Tue, Feb 1, 2011
We provide a variety of insulation materials including Micarta, G10, Permali, Calcium Silicate, Firetemp, FRP and Polyurethane. These materials are used for either high temperature or low temperature pipe supports. They serve a variety of... Read More
Why is permali wood used for cryogenic pipe supports?
Added on Thu, Feb 17, 2011
Permali was initially used for cryogenic pipe supports because of its insulating properties for low temperature applications along with its ability to be machined to fit pipe contours. Pipe Supports with Permali Insulation ... Read More
How do you pre-insulate pipe?
Added on Tue, Nov 2, 2010
At Piping Technology & Products, the term pre-insulated used in the context of pipe supports, refers to the feature of pipe shoes which allows a segment of the insulation to be incorporated into the support. This means that the insulation will be... Read More
What is the centerline in pipe supports?
Added on Tue, Nov 2, 2010
Generally the centerline location of a pipe support is designated as the position on the supported pipe where the support midpoint intersects the pipe's central axis. The centerline of the pipe is shown on this Fig. 215 drawing below: Read More
How much weight can a pipe support?
Added on Wed, Mar 23, 2011
The weight that can be supported by a pipe is dependent on numerous factors, including the pipe diameter, pipe wall thickness, operating temperature of the piping system and the material of the pipe. F-Type Variable Spring Supports designed... Read More
How do I figure out the length needed for a u-bolt rod?
Added on Tue, Nov 2, 2010
When determining the required length of a u-bolt, one should provide a leg length which extends from the centerline of the pipe to end of the threaded portion, while still permitting a hexnut/locknut combination with full thread engagement. Read More
What is the density of polyurethane?
Added on Tue, Nov 2, 2010
At Piping Technology & Products, the density of the polyurethane that we offer 10 lb./cubic ft., 15 lb./cubic ft. and 20 lb./cubic ft. and 32 lb./cubic ft. Stock Polyurethane Foam Read More
What is U-Stamp certification?
Added on Wed, Jun 22, 2011
Sweco Fab, Inc., our subsidiary, holds the ASME U-Stamp which gives us the ability to manufacture and work on unfired pressure vessels. Sweco acquired the ASME U-stamp in 1962 and has maintained it through-out the regular audits. The U-Stamp... Read More
What are EDI capabilities?
Added on Wed, Dec 1, 2010
EDI stands for Electronic Data Interchange. PT&P regularly conducts electronic data interchange with customers. We dedicate an in-house team of software developers and integrators to setup intra-company electronic processes that increase data... Read More
What is the name of the temporary stand used to hold pipes in place?
Added on Tue, Nov 2, 2010
The name of the temporary stand used to hold pipes in place are generally known as pipe stands. Read More
What is a 3-coat paint system?
Added on Wed, Jun 22, 2011
A 3-coat paint system consists of a primary coat, an intermediate coat, and a top coat of a color or finish typically specified by the end user. View some of our products manufactured with a three coat paint system. Steel Structural... Read More
What is axial pipe movement?
Added on Thu, Feb 17, 2011
Axial pipe movement would be defined as the movement along the centerline axis of the pipe system. Read More
How do you perform a burst test?
Added on Wed, Dec 1, 2010
The burst test is primarily conducted on bellows. Normally, hydraulic pressure is slowly increased until failure occurs. Based on the burst test results, a safety factor is applied. This establishes the ultimate pressure rating. Burst Testing Read More
What is burst testing?
Added on Wed, Dec 1, 2010
The objective of the burst test is to determine the ultimate pressure resistance. This test is primarily conducted on bellows. Normally, hydraulic pressure is slowly increased until failure occurs. Based on the burst test results, a safety factor is... Read More
What does axial pipe restraint mean?
Added on Wed, Jun 22, 2011
Axial pipe restraint means that the support will incorporate some means of positively restricting the movement of the supported pipe along its longitudinal access in line with the pipe. Read More
How do I attach a pipe hanger to a concrete deck?
Added on Wed, Mar 23, 2011
The most prevalent method of attaching a pipe hanger to a concrete deck would be to utilize a base plate which can be affixed to the concrete deck by using concrete anchor bolts. Constant Spring Hangers Read More
Where do you anchor piping?
Added on Wed, Feb 23, 2011
Determining the position of anchors in a piping system depends on a variety of factors including the location of sensitive equipment such as valves, turbines, etc, where "zero” force reactions are required. Additionally, you must consider... Read More
What are the standards used for the design of your pipe supports?
Added on Tue, Feb 1, 2011
The design standards that we utilize in the engineering and design of pipe supports at Piping Technology are the Manufacturers Standardization Society (MSS) standards as well as the American Society of Mechanical Engineers (ASME) standards. Read More
What is Piping Technology?
Added on Tue, Feb 1, 2011
Piping Technology and Products is the name of our company specializing in pipe supports, pre-insulated supports, slide plates, snubbers, sway braces, and much more. In business since 1975, Piping Technology has over 35 years of experience in the... Read More
Why do you paint carbon steel material?
Added on Thu, Feb 17, 2011
In general, the procedure of painting carbon steel material acts as protective coating to inhibit rust and/or any other chemical reactions in the surrounding atmosphere. Painted Constant Spring Supports Read More
How do you prevent corrosion on pipe supports?
Added on Thu, Feb 17, 2011
Here at Piping Technology, our pipe supports are generally provided with a hot dipped galvanizing surface to inhibit rust during operation. Sway Struts fabricated from Carbon Steel with a hot-dipped Galvanized Finish Read More
What is galvanized steel?
Added on Tue, Feb 1, 2011
Galvanized steel is a metal alloy of iron and carbon that has been coated with a type of sealant to protect the material against corrosion. It has two advantages over a zinc coating. During galvanizing, the molten zinc reacts with the carbon... Read More
How do I make a request for quotation?
Added on Wed, Mar 23, 2011
You may either send an e-mail to info@pipingtech.com with all of the details of your quote request, or you may fill out the convenient form at the link below: http://www.pipingtech.com/forms/quotereq.htm Read More
How do you double nut a pipe hanger?
Added on Wed, Jun 22, 2011
To double nut a pipe hanger, add an auxiliary nut at each threaded junction to lock against the support components to prevent rotation during operation. Read More
How do you calculate how much load a particular pipe support can take?
Added on Thu, Jun 16, 2011
Each pipe support has its own load carrying capacities depending upon its function. One must check the load limits of that particular support to determine it's full load carrying capacity. Read More
What is the centerline of the pipe?
Added on Wed, Jun 22, 2011
The centerline of the pipe is considered as the imaginary axis which runs longitudinally along the pipe through the midpoint of its diameter. The centerline of the pipe is shown on Fig. 48 Pipe Saddle drawing. Read More
How many pipe hangers do I need on my pipe?
Added on Thu, Jun 16, 2011
The number of pipe hangers required is a function of designer preference, operating conditions and available structural steel attachment points. Variable Spring Hangers Read More
What are the different types of supports in piping?
Added on Wed, Jun 22, 2011
The different types of pipe supports can mainly be categorized as active or passive supports. Active supports would include those components which continuously carry a load and either allow or prevent movement under that loading condition. Passive... Read More
What causes pipe vibrations?
Added on Wed, Jun 22, 2011
Pipe vibration can be caused by multiple sources. One of the most common causes would be phase change during operation. Also, it could be caused by proximity to rotating equipment, changes in pipe direction, and/or size among other things. Read More
How can I model your supports into CAESAR II?
Added on Fri, Nov 25, 2011
Our spring hangers, constants, and variables are already in Caesar II - Rigid supports can be modeled as stops or restraints in the direction required. Read More
What is R-Stamp certification?
Added on Wed, Jun 22, 2011
Sweco Fab, Inc., our subsidiary, holds the National Board R-Stamp which enables us to do repairs and alterations on pressure vessels, boilers, and pressure-retaining items. Sweco acquired the ASME R-stamp in 2007. The R-Stamp requires maintaining... Read More
What is standard PT&P finish on catalog items?
Added on Wed, Jun 22, 2011
The standard finish for the majority of our items is hot-dipped galvanized finish. However, for some catalog items, the standard finish is black unless specified otherwise by the customer. We recommend that you carefully read the product description... Read More
What is marinite insulation block?
Added on Thu, Oct 27, 2011
Marinite is an insulation material used for high temperature applications possessing a high structural rigidity which aids in load bearing applications. Slide Plate Assemblies with Marinate Insulation and Vibration Pads Read More
What is the difference between pipe supports and restraints?
Added on Thu, Oct 27, 2011
In general terms, a pipe support is designed to carry the pipe weight while simultaneously permitting deflection in vertical and/or horizontal directions. Whereas,restraints are intended to restrict movement as either a guiding element or an... Read More
What is STAAD analysis?
Added on Thu, Nov 10, 2011
STAAD analysis is a program we use for structural analysis, specifically to design auxiliary steel which is basically, the length between the structural steel designed by our engineering department and the extra supplementary steel required to... Read More
Which of your pipe supports hold an NS certificate for nuclear compliance?
Added on Thu, Oct 27, 2011
Currently, the snubbers, sway braces, sway struts, and clamps that are manufactured by our subsidiary Fronek Anchor/Darling Enterprises, are the supports that hold nuclear certification. More information on these supports can be found by visiting our... Read More
What’s the maximum temperature rating for the galvanized finish?
Added on Thu, Nov 10, 2011
The max temperature for the galvanized finish is up to 350 degrees F. Sway Struts with a Hot-Dipped Galvanized Finish Read More
Regarding various types of pipe clamp devices, are these devices also suitable for use with polymer material pipe?
Added on Fri, Nov 25, 2011
Yes, pipe clamps are suitable for polymer material pipe, however the local stresses on the polymer material should first be evaluated by the client. Two Bolt Pipe Clamps Read More
What is the standard protective coating/painting system used for the carbon steel snubbers and sway struts for offshore or corrosive environment like application?
Added on Wed, Nov 23, 2011
The protection used is a 2-coat epoxy painting system. It is used for protecting against corrosion. Sway Struts withe a Custom 2-Coat Paint System Read More
What is laminated beechwood?
Added on Thu, Oct 27, 2011
Laminated beechwood is a natural insulating wood material that is used in applications that require high tensile and compressive strength. It consists of multiple layers of wood that are bonded together under vacuum conditions to generate a required... Read More
What is the isolation pad material?
Added on Fri, Nov 25, 2011
An isolation pad material is belting material designed to absorb shock. Isolation Pad on a Hold-Down Pipe Clamp Read More
Do you have a recommendation to prevent quick corrosion in a salty environment?
Added on Thu, Nov 3, 2011
We recommend our hot dipped galvanized finish for corrosive environments. The coils can also be neoprene coated to prevent against corrosion. Big Ton Spring Support with Neoprene Coated Spring Steel Coils and a Hot-Dipped Galvanize Finish Read More
How vital are pipe stess results to pipe support design?
Added on Thu, Nov 3, 2011
This is a vital portion of the pipe support design. It provides us the loads that we need to design the pipe supports. Stress Analysis of a Variable Spring Support Read More
We use a low pressure steam heater to heat rail cars at our asphalt terminal, will high temperature insulated pipe supports allow for proper expansion and contraction of the piping?
Added on Wed, Nov 23, 2011
For this type of application, we recommend you use a high temperature support or hot shoes. Cold shoes are designed for up to about 200 degrees F. If you pick the correct design, it will allow for expansion and contraction of the pipe. High... Read More
What is the maximum spring rate decay in percentage required to replace it?
Added on Thu, Nov 10, 2011
Per MSS the maximum deviation from the published spring rate for any spring would be +/-10%. Consequently any decay greater than 10% would be unacceptable. Read More
The dimensions of the support are checked as individual pieces or after it has been welded into a full assembly?
Added on Thu, Nov 10, 2011
The answer to this is both. We check the individual pieces before we put the support together, then we check the final assembly before it ships. Inspecting Permali Insulation Prior to Assembling Pipe Shoes Read More
Can the spring be re-calibrated?
Added on Thu, Nov 10, 2011
Yes the spring can be re-calibrated. Our field service team provides this service if you would like us to visit your site. Constant Spring Hanger in the Field Read More
How do I determine whether the pipe loads will be varying?
Added on Thu, Nov 10, 2011
This depends on the service of your pipes in your piping system. Generally, pipes with a lot of thermal growth will result in varying loads. Read More
How much compressive strength does the marinite material permit?
Added on Fri, Nov 25, 2011
4000 PSI is the recommended strength for marinite material. Marinite Slide Plate Read More
Does change in density imply change in thermal conductivity?
Added on Wed, Nov 23, 2011
Yes, the higher the density the higher the thermal conductivity. Read More
Will the load of fluid flowing through the pipe be considered as a varying load?
Added on Thu, Nov 10, 2011
Yes the fluid will be considered as a varying load. Additionally, when you design for the load, you include the weight of the pipe and the fluid flowing through it. Read More
Will the load of fluid flowing through the pipe be considered as a varying load? or is that included in the basic piping weight?
Added on Thu, Nov 10, 2011
Yes the fluid will be considered as a varying load. Additionally, when you design for the load, you include the weight of the pipe and the fluid flowing through it. Read More
When you take a compression test to failure, what is the failure criteria?
Added on Thu, Nov 10, 2011
The failure criteria is a permanent deformation greater than 3% is considered a failure for that particular batch. Read More
How do we inspect load cells and what is the criteria for their positioning?
Added on Fri, Nov 25, 2011
A load cell is only the measuring device for calibration and it is used to test all our spring cans and constants. Read More
What is general curing time when referring to pre-insulated pipe supports?
Added on Fri, Nov 25, 2011
Curing time for pre-insulated pipe supports is the time taken to mix polyisocyanurates with polyol properly in order to achieve the desired density. Cryogenic Pre-Insulated Pipe Supports Read More |
