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Δ. Materials for main parts
S/N | Part Description | Material 1 | Material 2 | Assy Qty |
1 | housing | HT250 | 20# | 1 |
2 | indicate panel | HT250 | HT250 | 1 |
3 | worm | 35CrMo | 35CrMo | 1 |
4 | shaft | 35CrMo | 35CrMo | 1 |
5 | worm gear | QT400-15 | QT400-15 | 1 |
6 | box cover | HT250 | HT250 | 1 |
7 | hand wheel | 20# bonding tube | 20# | 1 |
Δ. Main outer dimensions
Type | A | B | C | φD | E | G | H | Handwheel Dia. | Weightkg |
WG008A | 107 | 238 | 77.5 | φ203 | 214.5 | 54 | 95 | φ460 | 17 |
WG108A | 108.5 | 360 | 90 | φ254 | 252 | 54 | 95 | φ610 | 22.5 |
WG208A | 113 | 399 | 126 | φ285 | 312.5 | 54 | 109 | φ610 | 38 |
WG308A | 163.5 | 533.5 | 138 | φ340 | 366 | 77 | 151 | φ762 | 90 |
Note: The "H" in the above table is the maximum size of stem can be installed.
Δ.Technical parameters
Type | WG008A | WG108A | WG208A | WG208B | WG308A |
speed ratio | 50:1 | 72:1 | 68:1 | 140:1 | 275:1 |
input torque Nm | 156 | 156 | 195 | 195 | 195 |
Output torque Nm | 1590 | 2808 | 4574 | 5946 | 13580 |
rotation stroke | 90° | 90° | 90° | 90° | 90° |
limit adjustment | ±5° | ±5° | ±5° | ±5° | ±5° |
ball valve DN | 100~150 | 200~250 | 300~350 | 300~350 | 400~500 |
butterfly valve DN | 200~350 | 400~500 | 600~700 | 600~700 | 800~1000 |
Δ.Product Description and Application
This series of 90 ° rotary valve drive (constituted by worm gear,worm and gear box) is applied to ball valve, butterfly valve and stopcock valves,etc. It can prevent people to open casually outside with self locked device.
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