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

GH3N

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
150lb,300lb

DIN PN40 (DN40)
2”

JIS
10K,16K,20K

477 18.8 41,0 90.4
ASME/JPI

150lb,300lb

487 19.2
DIN PN40 (DN50)
2 1/2”

JIS
10K,16K,20K

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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