The MK45 is a thermostatic steam trap with a corrosion-resistant control diaphragm for the reliable discharge of condensate from steam systems. It is suitable for saturated steam, superheated steam and superheat lines and offers a compact, robust solution for industrial use.
The control version determines how far the condensate is subcooled before the trap opens: 10 K in the standard, 30 K with subcooling, 5 K at high temperature. Excessive subcooling backs condensate up in the line.
| Feature | Value |
| Nominal size | DN 15 – DN 25 (½”, ¾”, 1″) |
| Pressure rating | PN 40 / ASME Class 150 / Class 300 |
| Temperature range | to 420 °C |
| Material | Body: steel 1.0460 (SA105) / stainless steel 1.4404 (MK45A) |
| regulator | Hastelloy® |
| Differential pressure | max. 32 bar |
| Face-to-face length | flange: 150–160 mm, weld end: 200 mm |
| Weight | approx. 2.5–4.8 kg (depending on version) |
Steam traps are much more than just drainage fittings – they are indispensable functional elements in modern steam, energy and process systems. In SKID systems, they are responsible for the safe, efficient and load-dependent drainage of condensate, thus ensuring trouble-free operation, constant energy efficiency and the protection of sensitive components.
Especially in compact, modular system packages, steam traps must work reliably, handle different pressures and temperatures and be flexibly integrated into any installation situation.
Our steam traps – including thermal versions with diaphragm regulators such as the MK45 from GESTRA – are used as integral system components in SKID and process plant construction and ensure maximum operational reliability even under demanding conditions.
EN 1092-1, ASME B16.5, Pressure Equipment Directive, ATEX-compliant.
Yes, stainless steel version MK45A available for aggressive media.
Maintenance is possible without removing from the pipeline, spare parts sets available.
Standard (10 K), subcooling (30 K), high temperature (5 K).
Our insulations are more than just accessories – they perfectly complement valves and systems and increase efficiency, safety and adaptability.
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