Frequently Asked Questions

HFT Pipestoppers PetroChem Chemical Resistant Plugs Stoppers

1.0 What is the maximum temperature range for PetroChem® Stoppers?
The recommended maximum temperature for this standard range is 80ºC (176ºF).

2.0 How do I inflate the Stoppers?

Each Stopper is designed and fitted with a standard Schrader valve, which will attach to any foot pump or compressor.

3.0 What are the Inflatable Rubber PetroChem® Stoppers commonly used for?
The PetroChem® Stoppers are most commonly used to Construction site drain testing operations, debris stopping during machining operations, leak testing of pipework systems in commercial, domestic and industrial applications, low pressure hydrostatic tests, on-site thermoforming of bends in ducting and conduit materials, fibre-optic construction projects, debris and animal barriers for overnight protection of pipelines, plumbing operations or reduction of weld purging volume when welding headers onto stainless steel tanks.

4.0 What makes the Rubber PetroChem® Stoppers different?
The Rubber PetroChem® Stoppers are resistant to a large number of chemicals. Each Stopper has a longer length than diameter, which prevents them from tipping over inside the pipe and losing their seal. They also have a ribbing to prevent slipping.

5.0 What is the size range for Rubber PetroChem® Stoppers?
There are 5 different sized Stoppers available to seal pipes from 2 to 12” (51 mm – 306 mm).

6.0 Can I have the inflation hose any longer?
Yes, simply specify when ordering and your required length can be fitted for a small surcharge.

7.0 Are PetroChem® Stoppers kept in stock?
We do keep a number of PetroChem® Stoppers in stock.

8.0 What is the maximum inflation pressure?
This depends on the diameter of the stopper. Full details per size can be found in the User Instruction Manual, but also stamped onto each stopper for safety purposes.

9.0 Can the stopper be used more than once?
Yes, it can be used time and time again, provided it isn’t overinflated and kept in good condition.


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