

Steam trap ESH21
- SCCV system
- Suitable for condensate recovery
- Horizontal installation
- Option
- Customized flange
- ASTM material available
- Awarded in 1978 for outstanding energy savings
Properties
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No condensate build-up on the primary side
Periodic or continuous condensate drainage, depending on the amount of condensate, ensures that the condensate does not accumulate on the primary side.
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Outstanding durability
The SCCV system valve and the robust lever, as well as the internal components made of stainless steel, ensure outstanding durability of the steam trap.
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Easy maintenance
This model can also be repaired built-in and is therefore quick and easy to maintain.
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Condensate recovery
With its high back pressure tolerance, this model is suitable for condensate return at a pressure of up to 90 % of the inlet pressure.
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Completely closed
The double steam separation mechanism (channel with U-profile and inverted bucket float) ensures reliable steam separation and guarantees the tightness of the steam trap.
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No vapor or air entrapment
Thanks to a small ventilation opening in the upper part of the bell float, this model does not trap steam or air.
* SCCV system” is the abbreviation for “Self Closing and Centering Valve System”.
Typical applications
- Suitable for use in a wide range of sectors such as agriculture, food production, dyeing, cleaning and air conditioning.
Flange
Nominal width | Dimensions (mm) | Weight | |||
---|---|---|---|---|---|
L | H1 | H2 | W | (kg) | |
1/2″ | 350 | 145 | 160 | 205 | 31,0 |
3/4″ | |||||
1″ |
Welding socket
Nominal width | Dimensions (mm) | Weight | |||
---|---|---|---|---|---|
L | H1 | H2 | W | (kg) | |
1/2″ | 300 | 145 | 160 | 205 | 28,0 |
3/4″ | |||||
1″ |
* Customized dimensions on request
Model | Connection | Max. Operating pressure (bar) | Max. Differential pressure (bar) | Max. Operating temperature (℃) | Housing material | |
---|---|---|---|---|---|---|
Type | Nominal size | |||||
ESH21F-21 | Flange FF, RF* |
1/2″ | 21 | 21 | 400 | Cast steel SCPH2/WCB |
3/4″ | ||||||
1″ | ||||||
ESH21F-45 | 1/2″ | 44 | 44 | |||
3/4″ | ||||||
1″ | ||||||
ESH21W-21 | Welding socket SM |
1/2″ | 21 | 21 | ||
3/4″ | ||||||
1″ | ||||||
ESH21W-45 | 1/2″ | 44 | 44 | |||
3/4″ | ||||||
1″ |
- ESH21-21 PMA: 44 bar, TMA: 400 ℃, PMO: 21 bar, TMO: 400 ℃
- ESH21-45 PMA: 44 bar, TMA: 400 ℃, PMO: 44 bar, TMO: 400 ℃
* Available flange standards: ASME/JPI, DIN, JIS
* Customized sizes 1 1/4″, 1 1/2″ and 2″ on request.
- For reasons of clarity, bypass pipes, valves and other components are not shown.
- For condensate recovery, fit a non-return valve (CV model) and a shut-off valve on the outlet side of the condensate drain.