Aquasol ABLD-20 inflatable purge bladder seals two sides of a pipe on each side of a weld to fill the space with the least amount of purge gas & ensure quality welding while saving time & money. This I-Purge modular inflatable bladder system comes with quick-connect fittings that allow easy assembly & disassembly by just snapping-in place. It is suitable for use in metalworking & fabrication shops and is ideal for pipes having a maximum diameter of 20 inches.
Working Mechanism:
- After fully assembling the purge bladder, connect the modules to a harness.
- Connect a rope, chain or wire to the bladder modules' pull loops to easily insert & remove the system from the pipe.
- Attach inert gas lines to the bladder's blue & black hoses. Use the proper flowmeter for the purge gas.
- Connect an oxygen monitor to the exhaust connection.
- Insert the bladder system into the pipe and position it such that the luminescent indicator / glow tape aligns with the centre of the root gap.
- Turn on the inflation gas supply to inflate the bladders. Purging will be done automatically once the bladders have inflated.
- After achieving a tight seal & the oxygen amount has reached the minimum required level, start the welding.
- After finishing the welding, deflate the bladder by turning off the gas supply. After the weld zone has cooled, remove the unit from the pipe. Disconnect all gas lines & monitoring equipment.
- Clean the unit and store it in the carrying bag when after use.
Features:
- Aquasol ABLD-20 inflatable purge bladder system has inflatable bladders modules A & B to block both sides of a pipe by filling up with air.
- This reusable inflatable bladder is heat & spark resistant due to its polyurethane-coated nylon exterior bag.
- The bladder also comes with an extended length, high heat-resistant harness having a protective external fiberglass sleeve for placing the bladder modules outside the heat-affected zone. This flexible bridge harness can be easily directed through pipes, elbows and tees over 90 degrees without suffering any kink.
- It further features a factory pre-set relief valve for precise flow rates, minimal set-up time & reduced gas consumption while preventing the risk of over inflation.
- This system has an inert gas diffuser for dispersing inert gas equally in all directions within the weld zone and reducing turbulence.
Compatible Accessories:
- Aquasol Harnesses: These extended length high heat harnesses provide extra reach for keeping the bladder system away from heat.
Standards and Approvals:
Frequently Asked Questions:
Q. What is the use of pipe purging?
A. Pipe is purged using a purge gas (inert gas) before TIG welding pipes made of stainless steel, aluminium or other corrosion-resistant materials to avoid their oxidation / corrosion while improving weld quality.
Q. What is the maximum temperature allowed for this Aquasol ABLD-20 inflatable purge bladder?
A. The inflatable bladder's outside material can handle a maximum temperature of 400 degrees F (205 degrees C). However, the bladder's inside material has a lower heat resistance to handle a maximum temperature of 250 degrees F (120 degrees C).
Q. What are the different connections available in this Aquasol ABLD-20 inflatable purge bladder?
A.
- Firstly, blue connection inflates bladders and fills the weld zone with purge gas (noble gas).
- Black connection expedites purging by flooding the weld zone with inert gas & then evacuating oxygen at a faster rate.
- White exhaust connection is connected to an oxygen monitor like Aquasol PRO OX-100 for continuous / spot monitoring of oxygen in the weld zone.
- The blue gas hose connection transfers the inert gas at a maximum gas flow rate of 30 SCFH.
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