The Seetru Tru-Test System
Dismounting safety valves from their operational location can be time-consuming and expensive. The Seetru Tru-test® provides the capability to test safety and relief valves in-situ, eliminating the need to remove the valve from the system or shut the system down.
In-situ testing of this form is part of a carefully planned and monitored test and maintenance regime, which also includes periodic strip down, inspection & overhaul, and a highly cost effective means of managing safety valve and relief valve inventories.
The Seetru Tru-test® system offers the capacity to test in real operating conditions. This provides added confidence in the protection afforded by the safety valve. It also supports the optimisation/ minimisation of maintenance downtime through Seetru operated condition monitoring of safety valves in service.
Features of the Tru-test®
Objective, accurate and reproducible evaluation of set pressure.
Tests can be "hot", i.e. in-situ with medium pressure acting on the safety valve, or "cold", i.e. on or off site and in-situ with no medium pressure acting on the safety valve.
Highly accurate transducers (0.1% accuracy) are used to measure force and lift.
Fully automatic test and control of test, the test takes place without human operator intervention.
Pre-programmed computer controlled test cycle.
Pre-programmed safety limits are sensed and managed automatically during the test cycle in order to prevent damage and to provide fail-safe operation.
An integrated pressure transducer can be used to provide the most accurate measurement of actual system pressure at the time of the test and as the test evolves.
Seetru Tru-test® equipment is ATEX approved for operation in potentially explosive atmospheres.
Lift limitation is pre-established and provided to minimise the risk of valve damage or a full lift safety valve popping open during test. The computer controlled pre-programmed test eliminates the chance that the inherent vagaries of a human operator manually controlling the lift might result in the safety valve lifting.
Ability to provide power driven closure of safety valve, should the valve pop open during test.
Equipment and procedures designed to enhance operational Health and Safety.
The Seetru safety valve test method using the Tru-Test® system is widely approved, for instance, by Lloyds Register of Shipping and the Insurance Industry.
Both set pressure and full lift tests available.
Fully reproducible and objective footprint/benchmark tests for valve health monitoring.
Our Engineering Services continue in full operation. In regard to on-site work, we are, in all cases, working with site clients to operate risk checks and mitigation procedures. Where appropriate, we can operate in isolation entirely from our mobile workshops on-site or close-to site, also we undertake our test and overhaul services in our own workshops and this to may offer a convenient alternative to site visits. Corona Virus (COVID-19) Statement
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