Saf-T-Vise Corrosion Coupon Holders

Download Specs

Email Specs

Get Started

Request A Quote

Still Have Questions?

The Sentry Saf-T-Vise coupon holder handles small pieces of various materials and exposes them to the process stream for corrosion monitoring. The coupon holders work with a variety of corrosion coupons, including rod (cylinder), flat single and dual hole, and disk, to measure corrosion within a high-pressure pipeline.

Along with the ability to customize your configuration, these corrosion coupon holders offer a unique, patented safety feature: an easy-to-use collet that locks within the process stream in both low and extremely high-pressure conditions.

Saf-T-Vise coupon holders protect operator safety by offering mechanical insertion capability in-high pressure process streams.
The coupon holders can mount in any orientation at a variety of extension lengths up to 20 feet to reach locations that are difficult to access.
The components are tested at safety pressure 1.5x the operating pressure to comply with PHMSA regulations and NACE standards.
All STV products are designed to be installed or removed under live field conditions.

Features:

Process pressure bleeder valve
Integrated safety cap or chain, depending on model
Deisgned and manufactured in accordance with ASME B31.3
Canadian Registration Number available for most models
Process wetted components comply with NACE MR0175/2009 and are suitable for service in hydrogen sulfide (H2S) environments

Download Specs

Email Specs

Materials

Each of Sentry's ccorrosion coupon holders are made with 316/316L stainless steel.
If you need other alloys, please contact our team for more information.

Pressure

These holders can also handle a max pressure of 10000 PSI at 100˚ F (689 bar at 38˚ C), depending on the model.

Insertion Depth

Depending on the model, each coupon holder can manage an overall length of up to 240 in (6.1 m) inside the process.
A portable insertion tool may be required depending on the model selected.