Series S | Thermodynamic Disc Steam Traps

Steam Traps Series S | Thermodynamic Disc Steam Traps
SD1
Models that handle steam locking also available

Features/Applications
Features
Compact and cost effective design
It has a space saving, simple mechanism with very few moving components.
Easy maintenance
The minimum amount of moving parts and easy in-line access ensure 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.
Superb durability
It is equipped with an additional cover to improve thermal efficiency and reduce cycling frequency, enhancing durability.
Typical applications
Suitable for steam tracing, instrumentation steam tracing, steam irons, and other such applications.
Dimensions/Weight
Dimensions/Weight

Size | Dimensions (mm) | Dimensions (in) | Weight | |||||||
L | H1 | H2 | W | L | H1 | H2 | W | (kg) | (lb) | |
1/4” | 52 | 39 | 25 | 34 | 2.0 | 1.5 | 1.0 | 1.3 | 0,3 | 0.7 |
3/8” | ||||||||||
1/2” | 60 | 41 | 23 | 2.4 | 1.6 | 0.9 |
Specifications
Model | Connection |
Max. operating pressure |
Max. operating pressure differential |
Max. operating temperature |
Body material |
||||
Type | Size | (MPa) | (psig) | (MPa) | (psig) | (℃) | (℉) | ||
SD1 |
Screwed Rc,NPT |
1/4” | 3.1 | 450 | 3.1 | 450 | 400 | 752 |
Stainless steel SUS420J2 |
3/8” | |||||||||
1/2” |
*Special design models against steam locking are available.
Models: SD1-G, SD1-2
Discharge Capacity

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Features
Compact and cost effective design
It has a space saving, simple mechanism with very few moving components.
Easy maintenance
The minimum amount of moving parts and easy in-line access ensure 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.
Superb durability
It is equipped with an additional cover to improve thermal efficiency and reduce cycling frequency, enhancing durability.
Typical applications
Suitable for steam tracing, instrumentation steam tracing, steam irons, and other such applications.
Dimensions/Weight

Size | Dimensions (mm) | Dimensions (in) | Weight | |||||||
L | H1 | H2 | W | L | H1 | H2 | W | (kg) | (lb) | |
1/4” | 52 | 39 | 25 | 34 | 2.0 | 1.5 | 1.0 | 1.3 | 0,3 | 0.7 |
3/8” | ||||||||||
1/2” | 60 | 41 | 23 | 2.4 | 1.6 | 0.9 |
Model | Connection |
Max. operating pressure |
Max. operating pressure differential |
Max. operating temperature |
Body material |
||||
Type | Size | (MPa) | (psig) | (MPa) | (psig) | (℃) | (℉) | ||
SD1 |
Screwed Rc,NPT |
1/4” | 3.1 | 450 | 3.1 | 450 | 400 | 752 |
Stainless steel SUS420J2 |
3/8” | |||||||||
1/2” |
*Special design models against steam locking are available.
Models: SD1-G, SD1-2

* Membership registration is required to download the documents.