Fusion Bonded Epoxy coated Cast Iron manual gear box for manual valve actuation. Standard with visual indicator and adjustable stops. 316 Stainless Steel shaft with shaft seal and gasket oring ensuring a weatherproof protection of IP67.

Model Reduction Torque (Nm) Mounting Drive (mm) Hand wheel (mm)
GB1 40:1 255 F05/F07 14 200
GB2 36:1 570 F07/F10 22 300
GB3 36:1 930 F10/F12 27 350
GB4 50:1 1400 F14 36 400
GB5 70:1 2600 F16 36 500
GB6 140:1 5200 F16 46 500
GB7 207:1 8000 F25 46 500

Valve Gear Box

Model A B C D E F ǾG H I J K ǾP □N ǾQ M Handle Shaft (Ømm)
GB1 86 95 127 42.5 71 122.2 200 66.5 35 173.5 14 50 M6 70 M8 12
GB2 120 135 168.5 60.5 94 145 200 78.3 41 235 22 70 M8 102 M10 16
GB3 140.5 154 188 60.5 98.5 195.8 300 80.3 41 302 27 102 M10 125 M12 19
GB4 160 190 227.5 78.5 120 250.5 350 110.7 49 361 36     140 M16 19
GB5 217 248 273 122.5 160 220.5 400 119.1 55 434 36     165 M20 22
GB6 212 248 273 122.5 160 196 400 119.2 55 460 46     165 M20 19
GB7 329.6 340 380 90.8 210 127.2 500 133 71.8 628.8 46     254 M16 22

All dimensions in mm unless shown otherwise. 

Valve Gear Box Construction

Number Part Material
1 Body Grey Cast Iron
2 Gasket Sealed paper
3 O-ring NBR
4 Worm Gear Ductile Iron
5 Box Cap Grey Cast Iron
6 Indicator Cast Iron
7 Pin Spring Steel
8 Grease Nozzle Stainless Steel
9 Cap Engineered Plastic
10 Worm Carbon Steel
11 Needle Bearing Bearing Steel
12 Worm Shaft Stainless Steel
13 Handwheel Cast Iron
14 Limiting Screw Steel
15 Limiting Nut Steel

Torque 255 to 8000 Nm
Body FBE coated Cast Iron
Reduction 36:1 to 207:1
IP Rating IP67
Fixings 316 Stainless Steel
Shaft 316 Stainless Steel

Product History