S Series | Thermodynamic Disc Steam Traps
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Steam Traps S Series | Thermodynamic Disc Steam Traps
SF-340 SF-341
Models that handle steam locking also available
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Features/Applications
Features
Larger discharge capacity
It is larger discharge capacity among other S series steam traps.
Easy maintenance
The minimum of moving parts and an easy in-line access ensures easy and fast maintenance.
Special design against steam locking
To avoid cases of steam locking, Miyawaki offers special models to handle steam locking.
Flexible installation
This product can be installed either horizontally or vertically.
Typical applications
Suitable for a wide range of applications.
Dimensions/Weight
Dimensions/Weight
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Model | Size | Dimensions (mm) | Dimensions (in) | Weight | |||||||
L | H1 | H2 | W | L | H1 | H2 | W | (kg) | (lb) | ||
SF-340 | 3/4” | 240 | 89 | 81 | 96 | 9.45 | 3.5 | 3.19 | 3.78 | 10,0 | 22.05 |
SF-341 | 1” |
Specifications
Model | Connection |
Max. operating pressure |
Max. operating pressure differential |
Max. operating temperature |
Body material |
||||
Type | Size | (MPa) | (psig) | (MPa) | (psig) | (℃) | (℉) | ||
SF-340 |
Flanged FF,RF* |
3/4” | 1,6 | 232 | 1,6 | 232 | 220 | 428 |
Cast iron FC250 |
SF-341 | 1” |
*Available flange standards: ASME/JPI 150lb, 300lb, DIN PN16, JIS 10K, 16K, 20K
*Special design models against steam locking are available.
Models | SF-340-2 / SF-341-2 |
Discharge Capacity
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Download
* Membership registration is required to download the documents.
Features
Larger discharge capacity
It is larger discharge capacity among other S series steam traps.
Easy maintenance
The minimum of moving parts and an easy in-line access ensures easy and fast maintenance.
Special design against steam locking
To avoid cases of steam locking, Miyawaki offers special models to handle steam locking.
Flexible installation
This product can be installed either horizontally or vertically.
Typical applications
Suitable for a wide range of applications.
Dimensions/Weight

Model | Size | Dimensions (mm) | Dimensions (in) | Weight | |||||||
L | H1 | H2 | W | L | H1 | H2 | W | (kg) | (lb) | ||
SF-340 | 3/4” | 240 | 89 | 81 | 96 | 9.45 | 3.5 | 3.19 | 3.78 | 10,0 | 22.05 |
SF-341 | 1” |
Model | Connection |
Max. operating pressure |
Max. operating pressure differential |
Max. operating temperature |
Body material |
||||
Type | Size | (MPa) | (psig) | (MPa) | (psig) | (℃) | (℉) | ||
SF-340 |
Flanged FF,RF* |
3/4” | 1,6 | 232 | 1,6 | 232 | 220 | 428 |
Cast iron FC250 |
SF-341 | 1” |
*Available flange standards: ASME/JPI 150lb, 300lb, DIN PN16, JIS 10K, 16K, 20K
*Special design models against steam locking are available.
Models | SF-340-2 / SF-341-2 |
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* Membership registration is required to download the documents.