Miyawaki
Miyawaki S55N Thermodynamic Disc Steam Traps
Manufacturer: MIYAWAKI Inc.
Model: S55N
Features
Compact and cost effective design
It has a space saving, simple mechanism with very few moving components.
Easy maintenance
The minimum of moving parts and an easy in-line access ensures easy and fast maintenance.
Flexible installation
This product can be installed either horizontally or vertically.
Auto blow off and air vent
Thanks to a bimetal ring, the trap smoothly discharges initial air and cold condensate. (Auto blow-off mechanism)
Tailored design
Manufacturing with custom face-to-face dimensions is possible.
Typical applications
Suitable for steam main lines, steam tracing, small steam equipment and other such applications
Dimensions/Weight
Screwed / Socket Weld
| Size | Dimensions (mm) | Dimensions (in) | Weight | |||||||
| L | H1 | H2 | W | L | H1 | H2 | W | (kg) | (lb) | |
| 1/2” | 70 | 60 | 52 | 45 | 2.8 | 2.4 | 2.05 | 1.8 | 1,0 | 2.2 |
| 3/4” | ||||||||||
| 1” | 75 | 65 | 56 | 3.0 | 2.6 | 2.2 | 1,2 | 2.6 | ||
Flanged
JIS,ASME
| Size | Dimensions (mm) | Dimensions (in) | Weight (kg) | Weight (lb) | ||||||||||||||||
| L | H1 | H2 | W | L | H1 | H2 | W | JIS(FF,RF) | ASME/JPI(RF) | JIS(FF,RF) | ASME/JPI(RF) | |||||||||
| 10K,16K | 20K | 30K,40K | 150lb | 300lb | 600lb | 10K,16K | 20K | 30K,40K | 150lb | 300lb | 600lb | |||||||||
| 1/2” | 140 | 60 | 52 | 45 | 5.5 | 2.4 | 2.05 | 1.8 | 2,6 | 2,8 | 4,0 | 2,6 | 3,1 | 3,2 | 5.7 | 6.2 | 8.8 | 5.7 | 6.8 | 7.1 |
| 3/4” | 165 | 6.5 | 3,1 | 3,3 | 4,4 | 3,1 | 4,0 | 4,2 | 6.8 | 7.3 | 9.7 | 6.8 | 8.8 | 9.3 | ||||||
| 1” | 175 | 6.9 | 4,2 | 4,5 | 5,6 | 4,2 | 5,5 | 5,7 | 9.3 | 9.9 | 12.4 | 9.3 | 12.1 | 12.8 | ||||||
DIN PN40 PN100
| Size | Dimensions (mm) | Dimensions (in) | Weight DIN PN40 |
Weight PN100 |
||||||||
| L | H1 | H2 | W | L | H1 | H2 | W | (kg) | (lb) | (kg) | (lb) | |
| DN15 | 150 | 60 | 52 | 45 | 5.9 | 2.4 | 2.0 | 1.8 | 3,1 | 6.8 | 3,7 | 8.2 |
| DN20 | 3,7 | 8.2 | 5,3 | 11.7 | ||||||||
| DN25 | 160 | 6.3 | 4,4 | 9.7 | 6,3 | 13.9 | ||||||
*Customized face-to-face dimensions on request.
*Please contact MIYAWAKI for further information.
Specifications
| Model | Connection | Max. operating pressure | Max. operating pressure differential | Max. operating temperature | Body material | ||||
| Type | Size | PMO (MPa) | PMO (psig) | (MPa) | (psig) | TMO (℃) |
TMO (℉) |
||
| S55N | Screwed Rc,NPT |
1/2” | 4,6 | 667 | 4,6 | 667 | 425 | 800 | Forged steel A105 |
| 3/4” | |||||||||
| 1” | |||||||||
| S55NF | Flanged FF,RF |
1/2” | |||||||
| 3/4” | |||||||||
| 1” | |||||||||
| S55NW | Socket Weld SW |
1/2” | |||||||
| 3/4” | |||||||||
| 1” | |||||||||
●Maximum allowable pressure (PMA): 4,6MPa (667psig)
PMA is the pressure that can be tolerated by pressure-resistant parts (body).
●Maximum allowable temperature (TMA): 425℃ (800℉)
TMA is the temperature that can be tolerated by pressure-resistant parts (body).
Discharge Capacity
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