U-Type Constants for an Oil Refinery in TaiwanConstants in Assembly
These Figure 200 U-Type horizontal upthrust constants are designed to support piping from below. They are fabricated from carbon steel. These constants were also hot dipped galvanized and then specially painted. In addition, they are able to handle loads of up to 13,600 lbs. Each constant has a capacity of 4 total travel. They range from 55 to 62 long. Load testing and external inspections were completed to ensure the quality of these constants.
Want to learn more about constants? View a constant spring webinar today!
75 Hot Shoes for a Construction Project in New Hampshire
Hot Shoe Insulation
These pre-insulated hot shoes are manufactured from carbon steel and insulated with Firetemp® and Foamglas. Firetemp® is a structural insert designed to carry the load capacity of the pipe while Foamglas is fragile and can support temperatures of up to 900F. The hot shoes measure 19 long with the base of pipe at 6. They weigh between 58 lbs to 185 lbs. The pre-insulated shoes are designed to maintain the insulated pipes at a temperature for functionality.
Do you require hot shoes like the ones described above? Let us price them for you now!
This pressure vessel is manufactured from carbon steel SA516-70. Its diameter is 48 by 96 tangent to tangent and weighs 2,140 lbs. The pressure vessel is used as a process feed tank and was painted for rust resistance. In addition, the vessel was designed for pressures at 15 PSIG and temperatures at 86F. Hydro-tests were conducted at 20 PSIG and x-ray tests were completed to ensure quality performance.
Do you require a tank or vessel for your current job? Get pricing now!
These PTP 100-B type constants were fabricated from A36 carbon steel. They are vertical constants designed to suspend from a beam to support pipes. These constants are capable of handling loads of up to 31,000 lbs. and have a total travel capacity of 3. Each measured 25 long, 13 wide, and 71 tall and weighed 1,850 lbs. Standard load and travel testing were completed to ensure the quality and performance of these constants.
Do you see a need for constants in your piping system? Let us price them today!
Horizontal Upthrust Constants for a Power PlantMultiple Constants During Inspection
The horizontal upthrust constants (Fig. PTP200-U) were fabricated from carbon steel and chrome-moly for a Heat Recovery Steam Generator. The constants range in sizes PTP-200 size 3 to 65 and weigh from 24 lbs to 1,300 lbs. They support loads of 100 lbs to 8,100 lbs. The constants support pipes and equipment subjected to vertical movement due to thermal expansion at locations where transfer of stress to other supports or equipment can be critical. Horizontal upthrust constants are utilized in areas where horizontal travel is unacceptable. Standard testing was completed for performance and quality assurance.
Want to learn more about constant springs? View a constant webinar today!
Piping Technology & Products, Inc. Performed Field Services for a Power Generating Plant in Texas
PT&P was contracted to assist in the determination of pipe support maintenance at a power plant in Texas. The constant effort support springs with loads of excess of 9,500 lbs and the variable spring supports with loads of 450 lbs were marked for needing attention.
Cleaning Variable Spring UnitInspecting Variable Springs for Performance
PT&P’s objectives were to:
* Evaluate the pipe supports
* Determine state of performance
* Provide a plan of action
* Train personnel on-site to perform adjustments and replacement of supports or support components
* Provide final inspection of modified supports
After Cleaning & Preparation of the ConstantFinal Assembly with Added Slide Plates
The pipe supports needing attention could not be set to the required installation position. A plan was initiated to recondition some of the support components such as turnbuckles and rods. This would allow a greater range of field adjustment to the pipe supports. During a planned shut-down, PT&P Field Service Units returned to the site to modify the existing supports. The initial phase of the modifications included bracing the piping in order to isolate and lock the supports in position. Then, they were disconnected from the system and modifications to the assemblies were completed. Afterwards, the supports were reinstalled and any necessary adjustments were completed. A total of eight pipe supports were modified or adjusted.
Upthrust 200-U Type Constants for an Oil RefineryUpthrust 200-U Type Constants for an Oil Refinery
The upthrust constants (PTP Fig. 200-U) were fabricated from A36 carbon steel. Weighing at 4,150 lbs each, they measure 94” long, 27” wide, and 43” tall. They support loads from 90,700 lbs to 93,000 lbs with 4” of vertical travel. In addition, they are custom designed with extra supporting points for heavier loads. They are used to support the piping system from beneath the pipeline. Upthrust constants only allow for vertical travel and are used where horizontal travel is unacceptable. Standard load and travel testing was completed to assure quality and performance.
Do you require u-type constants in your plant or refinery? Let us price them for you now!
Pre-Insulated Cryogenic Supports with PTFE, 25% Glass Filled, Slide Plates
Measuring Overall Length of the Support
Fifty Pre-Insulated Cryogenic Supports with PTFE, 25% Glass Filled, Slide Plates were manufactured for a 36” stainless steel piping system. The steel portion of the Cryogenic Supports is fabricated from ASTMA 240 Grade 304L stainless steel. The insulation used for the Slide Plate is Micarta, capable of supporting temperatures as low as -300°F. Each Pre-Insulated Cryogenic Support is 72” in length and weighs 2,000 lbs. It is designed to support the pipeline and accommodate 45” of axial travel at each support. They are used as Cryogenic Pipe Supports for a piping system that crosses a 1,000 foot suspension bridge.
Want to learn more about pre-insulated pipe supports? View a past webinar today!
Hydraulic Snubber Extension Rod EndsSnubber Extension Rod Ends
The hydraulic snubber extension rod ends(seen above) were manufactured from carbon steel. Ranging in sizes 1 , 4, 5, and 6, the weight of each increase with size, therefore; the weight of each unit varies. Extension rod ends are used in conjunction with hydraulic snubbers to extend the overall length of an existing snubber. They are applied to piping systems when unrestrained thermal movement must be allowed but must also be restrained during impulsive or cyclic disturbance. The turn around time for these units was 3 weeks.
Want to learn more about snubbers? View one of our past snubber webinars today!
3 Wedge Action Mechanical Joints for a Suspension Bridge
Three wedge action mechanical joint restraints made of ductile iron materials were utilized to assist in the construction of a suspension bridge. Also, these mechanical joints provide for vertical and axial restraint for the bridge. Each weighs approximately 300 lb. and measures 24” long by 16” wide, and 12” tall for a 6”, 10”, and 12” ductile iron pipe. They are capable of supporting 50,000 lb. In addition, they are designed for seismic conditions with the ability for 7” of axial travel.
Do you require similar supports as those described above? Get pricing today!
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