
AQUASOL
Frequently asked questions
Common questions about AQUASOL from 3G Electric.
What pipe diameters do AQUASOL inflatable purge bladders cover?
AQUASOL inflatable purge bladders are available in models that seal pipes up to 2, 4, 6, 8, 16, and 18 inches in diameter. The model number corresponds to the maximum pipe size: ABLD-2 for 2-inch pipe, ABLD-4 for 4-inch, ABLD-6 for 6-inch, ABLD-8 for 8-inch, ABLD-16 for 16-inch, and ABLD-18 for 18-inch. Each bladder is inserted into the pipe and inflated to create a gas-tight seal, allowing inert gas to displace oxygen in the weld zone. Harness lengths vary by model, for example 11 inches on the ABLD-6 and 16 inches on the ABLD-18, to help position and retrieve the bladder.
How does AQUASOL water-soluble purge paper work in pipe welding?
AQUASOL water-soluble purge paper rolls are used to construct temporary dams inside pipe sections. The paper is formed into a barrier that holds the purge gas in the weld zone while welding is performed. After welding, the paper dissolves when exposed to water or steam during hydro-test or cleaning, leaving no residue in the pipeline. The rolls measure 31 inches wide by 165 feet long by 0.178 mm thick and are made from sodium carboxymethyl cellulose and wood pulp. The material is listed as 100% biodegradable and CE and EPA approved.
What is the maximum pipe diameter for the AQUASOL EZP-3 self-adhesive purge dam?
The AQUASOL EZP-3 self-adhesive purge dam is designed for a maximum pipe diameter of 3 inches, with a distance from weld of 6 inches. It is a pre-formed water-soluble dam with tapered side walls to fit different pipe schedules. Tape is pre-installed in sections to help with precise alignment inside the pipe. Like other AQUASOL water-soluble products, it dissolves rapidly in water or steam, leaving no residue. It is listed as EPA approved and is supplied under SKU 18C575.
Do AQUASOL purge dams and paper leave residue after hydro-testing?
AQUASOL water-soluble purge dams and purge paper are formulated to dissolve during water or steam hydro-test and leave no residue in the pipeline. The purge paper is made from sodium carboxymethyl cellulose and wood pulp and is described as 100% biodegradable. The self-adhesive purge dam is also described as dissolving rapidly with no residue. This behavior is relevant for pipelines that must be returned to service without additional flushing or internal cleaning after the purge barrier is removed.
What sizes of AQUASOL inflatable purge bladders does 3G Electric list?
3G Electric lists AQUASOL inflatable purge bladders in six sizes: ABLD-2 for pipes up to 2 inches, ABLD-4 for up to 4 inches, ABLD-6 for up to 6 inches, ABLD-8 for up to 8 inches, ABLD-16 for up to 16 inches, and ABLD-18 for up to 18 inches. The bladders are used to isolate pipe sections during welding, purging, maintenance, or repair. Each model creates a gas-tight seal and allows inert gas to flow through the isolated section. Harness lengths are provided to help with insertion and removal.
Are AQUASOL water-soluble purge products approved to any standards?
The AQUASOL water-soluble purge paper rolls are listed as CE approved and EPA approved. The self-adhesive purge dam is listed as EPA approved. These standards are stated in the product data available in the 3G Electric catalog. Buyers should verify that the specific product and its approvals match the requirements of their welding procedure and project specification before ordering. Country of origin for the pre-formed dam is listed as USA, subject to change.
