Unfortunately, we're retro-fitting the relief valve to an existing system with these design and operating conditions.
The piping system is flanged and constructed from low temperature carbon steel. The major restriction on the system design pressure is a large number of existing process vessels...
We've got an existing system that is operating at up to 97.5% of relief valve set pressure. We're trying to specify the best new valves to protect this system.
The relief valves will be installed on pipework only (i.e. no large "receiving" volume to damp out pressure spikes) and the system is...