Miyawaki
Miyawaki W3 (for Radiators) Thermoelement Steam Traps
Manufacturer: MIYAWAKI Inc.
Model: W3
Features
Quick startup
The original MIYAWAKI thermoelement swiftly discharges initial cold condensate and air.
No steam leaks
Operates below saturation temperature, resulting in no steam leaks and great energy saving performance.
Resilient against dirt and scale
Dirt and scale are effectively discharged thanks to a generously designed valve hole and large flow surface area in the valve.
Anti-freeze functionality
The valve remains fully open once the operation stops and drains completely.
Easy maintenance
By removal of the cover all internal parts of the trap can be exchanged, leaving the trap installed in line.
Typical applications
For radiators
Suitable for heating systems in places such as hotels, schools, hospitals, and offices.
The W3 can also be used in intermediate and pipe end sections of low-pressure heating lines.
Dimensions/Weight
| Size | Dimensions (mm) | Dimensions (in) | Weight | |||||||
| L | H1 | H2 | W | L | H1 | H2 | W | (kg) | (lb) | |
| 1/2” | 123 | 42 | 28 | 41 | 4.8 | 1.7 | 1.1 | 1.6 | 0,6 | 1.3 |
| 3/4” | 135 | 34 | 5.3 | 1.3 | 0,7 | 1.5 | ||||
Specifications
| Model | Connection | Max. operating pressure | Max. operating pressure differential | Max. operating temperature | Body material | ||||
| Type | Size | (MPa) | (psig) | (MPa) | (psig) | (℃) | (℉) | ||
| W3-1.5 | Inlet-side: Male screw (R) Outlet-side: |
1/2” | 0,15 | 21.8 | 0,15 | 21.8 | 150 | 302 |
Brass C3771 |
| 3/4” | |||||||||
| W3-3 | 1/2” | 0,3 | 43.5 | 0,3 | 43.5 | ||||
| 3/4” | |||||||||
Discharge Capacity
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