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No matter what, when you deal with condensate, you are dealing with gravity drainage. Aim high, drain low. Once low, very expensive hard / costly to lift back up high. « Rien ne se perd, rien ne se crée : tout se transforme ». — Antoine Laurent de Lavoisier (1743-1794)

Unless you are an A.S.M.E. certified assembler for safety valves for air, steam, liquids and gases. This is not an issue you should be addressing yourself. The job of the spring is to hold the seat of the SRV down until a set (desired) pressure is reached, in which case the seat lifts and...

Well said! « Rien ne se perd, rien ne se crée : tout se transforme ». — Antoine Laurent de Lavoisier (1743-1794)

@georgeverghese: If bypass line is installed it may trump the wide open capacity of the throttle valve. If so, this capacity should be used to size SRV. As per code, safety relief should be set at 5% higher (but 5 psig minimum) above the equipment with the lowest pressure rating downstream of...

@plantprowler: OK I understand now. The final result is that you want a mixture of 1) water (in excess) and 2) organic chemical at atmospheric & room temperature to eventually use. Re-reading your application and understanding further, I don't see much use of a closed loop system for the...

Davkoo, is there only one unit creating condensate that returns to your condensate pump? If so a closed loop system (not vented to atmosphere) would than work. What is the distance between your steam trap and the inlet of the Condensate Pump Package ? That's the issue with getting those...

I'm curious Plantprowler, are you more interested in having the hot water under pressure stay in liquid form, or flash to steam ? When you say venting the flash would make you loose product, is that the reasoning behind searching for a liquid BP Valve? Venting to a closed loop receiver could be...

Hey Jonathan, To give you a straightforward simple way of looking at steam trap applications without being force fed Spirax-Sarco literature; Thermodynamic traps are always the most cost effective trap initially to install, however require the most maintenance and are the first to require...

If I understand correctly, you wish to see if it is more economical to use an exchanger and re-coop the condensate to feed back to boiler versus direct injection steam to heat the water tanks which is currently installed and working now ? Unless you have a very good application calling for the...

40 bar (580 psi) is actually quite high steam pressure ! As mentioned above, I would put good money the two traps you currently have installed in parallel are not rated for that high differential pressure and are remaining shut. I would even look into a bi-metallic trap if your looking for more...

Yes a trap on the condensate outlet of each iron is necessary