GD-30 Pressure Reducing Valves for Steam.

  • Direct-acting type
  • Integral strainer to prevent debris
  • Easy handle adjustment
  • Superior performance & durability
  • Made by Yoshitake Japan
Application Steam
Type Direct-Acting
Inlet Pressure 0 to 17 Bar
Reduced Pressure 2 to 10 Bar
Connection BSPT (ISO7.1 Rc)
Minimum Differential Pressure 0.5 Bar
Maximum Pressure Reduction Ratio 10:1
Temperature 0 to 210°C
Body Bronze
Valve & Seat Stainless Steel
Bellows Phosphorous Bronze

 

Flow Rate in kg/hr

P1 (MPa) P2 (MPa) 1/2" BSPT 3/4" BSPT 1" BSPT
2.00 0.97 240 278 464
0.69 240 278 464
0.48 217 250 420
0.27 140 163 270
1.89 0.97 240 278 464
0.83 240 278 464
0.48 213 246 409
0.19 134 156 255
1.72 0.97 238 275 460
0.83 250 265 471
0.48 210 240 405
0.17 125 145 240
1.55 0.97 220 260 430
0.8 225 265 436
0.59 210 245 410
0.16 115 135 225
1.38 0.97 209 235 395
0.8 215 245 410
0.55 195 225 375
0.14 95 110 175
1.24 0.97 185 220 360
0.8 195 230 390
0.48 175 195 335
0.12 75 85 140
1.03 0.83 130 151 250
0.59 165 191 320
0.38 135 160 270
0.1 60 75 115
0.83 0.66 105 125 205
0.48 125 141 235
0.31 109 121 204
0.08 50 55 90
0.69 0.55 92 110 180
0.45 102 119 198
0.28 90 105 170
0.07 31 36 60
0.55 0.44 80 93 155
0.37 85 102 160
0.16 55 62 100
0.05 27 35 49
0.40 0.33 62 70 120
0.28 68 75 131
0.12 41 47 77
0.04 25 33 45
0.34 0.28 59 65 110
0.14 45 52 85
0.03 22 28 40
0.28 0.22 45 55 85
0.14 36 44 72
0.03 18 25 35
0.20 0.16 28 32 51
0.1 24 27 46
0.02 15 18 27
0.14 0.09 24 28 48
0.05 19 25 35
0.10 0.05 22 25 42

P1 = Inlet Pressure , P2 = Outlet Pressure

Bronze Pressure Reducing Valve Dimensions

Size d L H1 H Kg
15 1/2" BSPT 80 47 191 1.9
20 3/4" BSPT 85 47 191 1.9
25 1" BSPT 95 47 191 2

All dimensions in mm unless shown otherwise. 

Bronze Pressure Reducing Valve Construction

Number Part Material Grade QTY
1 Body Bronze CAC406 1
2 Spring Chamber Aluminium ADC12 1
3 Cap Brass C3771 1
4 Handle Polycarobonate PC 1
5 Spring Plate Cast Iron FC200 1
6 Valve Seat Stainless Steel SUS304 1
7 Valve Stainless Steel SUS440 1
8 Spindle Stainless Steel SUS304 1
9 Screen Stainless Steel SUS304 1
10 Bellows Phosphorous Bronze C5212 1
11 Adjusting Screw Carbon Steel SUM22 1
12 Spring Alloy Steel SWOSC 1
13 Spring Stainless Steel SUS304 1
14 Spring Stainless Steel SUS304 1
15 Bolts Carbon Steel SCM435 4
16 Gasket Copper C1100 1
17 Gasket Copper C1100 1
18 Washer Stainless Steel SUS304 2
19 Pin Stainless Steel SUS304 1
20 E Rign Stainless Steel SUS304 1
21 Split Pin Stainless Steel SUS304 1
22 Push Nut Stainless Steel SUS304 1
23 Name Plate Aluminium A1050P 1

Size 1/2" to 2" BSPT
Body Bronze
Application Steam
Inlet Pressure Range 0 to 17 Bar
Outlet Pressure Range 0.2 to 10 BAR
Temperature 0°C to 210°C

Product History