Miyawaki
Miyawaki GH3N Ball Float Steam Traps
Manufacturer: MIYAWAKI Inc.
Model: GH3N
Features
Quick startup
Automatically discharges initial air and cold condensate.
Condensate recovery
With its high degree of back pressure tolerance, this model supports condensate recovery.
High discharge capacity
A double ported balance valve provides a large discharge capacity in comparison with single valve models.
Typical applications
Suitable for uses including large-scale heat exchangers in various industries, and in things such as industrial plants, foodstuff devices, dyeing/cleaning devices, and air conditioning devices.
Dimensions/Weight
Flanged
| Size | Dimensions (mm) | Dimensions (in) | Weight | |||||||
| L | H1 | H2 | W | L | H1 | H2 | W | (kg) | (lb) | |
| 1 1/2” | 275 | 139 | 106 | 212 | 10.8 | 5.5 | 4.2 | 8.4 | 30,0 | 66.2 |
*Available flange standards: ASME/JPI 300lb
With connection flange
|
Size |
Flange standards | L dimensions (mm) |
H1 | H2 | W | L dimensions (in) |
H1 | H2 | W | Weight | |
| (kg) | (lb) | ||||||||||
| 1” | JIS 10K,16K,20K |
447 | 139 | 106 | 212 | 17.6 | 5.5 | 4.2 | 8.4 | 38,0 | 83.8 |
| ASME/JPI 150lb,300lb |
457 | 18.0 | |||||||||
| DIN PN40 (DN25) | |||||||||||
| 1 1/4” | JIS 10K,16K,20K |
447 | 17.6 | 39,0 | 86 | ||||||
| ASME/JPI 150lb,300lb |
457 | 18.0 | |||||||||
| DIN PN40 (DN32) | |||||||||||
| 1 1/2” | JIS 10K,16K,20K |
477 | 18.8 | 40,0 | 88.2 | ||||||
|
ASME/JPI |
|||||||||||
| DIN PN40 (DN40) | |||||||||||
| 2” |
JIS |
477 | 18.8 | 41,0 | 90.4 | ||||||
| ASME/JPI
150lb,300lb |
487 | 19.2 | |||||||||
| DIN PN40 (DN50) | |||||||||||
| 2 1/2” |
JIS |
507 | 20.0 | 46,0 | 101.4 | ||||||
| ASME/JPI 150lb,300lb |
517 | 20.4 | |||||||||
| DIN PN40 (DN60) | |||||||||||
| 3″ | JIS 10K,16K,20K |
507 | 20.0 | 50,0 | 110.3 | ||||||
| ASME/JPI 150lb,300lb |
517 | 20.4 | |||||||||
| DIN PN40 (DN80) | |||||||||||
*Available flange standards: ASME/JPI 150lb, 300lb, DIN PN40, JIS 10K, 16K, 20K
*Customized face-to-face dimensions on request.
*Please contact MIYAWAKI for further information.
Specifications
| Model | Connection | Max. operating pressure | Max. operating differential pressure | Max. operating temperature | Body material | ||||
| Type | Size | PMO (MPa) | PMO (psig) | ⊿PMX (MPa) | ⊿PMX (psig) | TMO (℃) | TMO (℉) | ||
| GH3N-10 | Flanged
RF*1 |
1 1/2” | 1,0 | 145 | 1,0 | 145 | 400 | 752 | Cast steel SCPH2 |
| GH3N-16 | 1,6 | 230 | 1,6 | 230 | |||||
| GH3N-21 | 2,1 | 305 | 2,1 | 305 | |||||
| GH3N-10R | Flanged
FF,RF*2 |
1 1/2”・2”・2 1/2”・3″ | 1,0 | 145 | 1,0 | 145 | |||
| GH3N-16R | 1”・1 1/4”・1 1/2”・2”・2 1/2”・3″ | 1,6 | 230 | 1,6 | 230 | ||||
| GH3N-21R | 1”・1 1/4”・1 1/2”・2”・2 1/2”・3″ | 2,1 | 305 | 2,1 | 305 | ||||
*1 Available flange standards: ASME/JPI 300lb
*2 Available flange standards: ASME/JPI 150lb, 300lb, DIN PN40, JIS 10K, 16K, 20K
This product uses a double ported balance valve system so if the actual condensate volume is significantly lower than the product’s discharge capacity, there may be a steam leak.
Discharge Capacity
The discharge line chart shows the discharge rate for condensate with a temperature 6℃ (43℉) lower than the saturation temperature.
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