Valve Gear Boxes


Bevel Gear Operator

Bevel Gear Operator

These operations have bevel gear transmission with completely enclodsed construction. The main casing is designed to withstand the shock and vibration of the piping system.

The housing, gears and shafts are precision machined from quality and tested raw materials and assemblies with utmost care for smooth and reliable operation.

The gear boxes can be supplied with 'A', 'C', or 'E' base as per DIN standard.

SR. NO. MODEL RATIO FACTOR
'F'
OUTPUT TORQUE (MAX) THRUST CAPACITY - KGS MAX BORE SIZE - M/M
NM MKG.
1. TBG 30 3:1 2.4 725 75 13700 55
2. TBG 30 SG 15:1 9.6 725 75 13700 55
3. TBG 40 4:1 3.2 1450 150 25000 62
4. TBG 40 SG 24:1 15.36 1450 150 25000 62

Helical Gear Unit

Helical Gear Unit

1. Quality: AWWA assures total quality through continuous improvement of product, process and services.

2. Design: Modular design confirming to standards.

3. Gear Body: Good in appearance, are made of close grain cast iron grade - 20 gear body is machined on imported boring machine.

4. Gear and Pinion: Gear and Pinion is made from case hardened alloy steel and profile grinding after case hardening and tempering, on imported gear grinding machine, as per most modern method for noise free running.

5. Bearings: Turbo helical gear unit is with in-built heavy duty thrust and roller bearings.

6. Lubrications: Pinion, Gears and Bearings are automatically and positively lubricated at all speed by splash of oil from the sump. Thus no special attention is necessary except periodically checking oil level.

Worm Gear Operator

Worm Gear Operator

The "turbo" make WG & WG-SG gear units are the quarter turn worm gear operators, specially designed to operate values that turn thru 900. These include, ball, butterfly, plug valves and also the dampers. Adjustable, mechanical stoppers are provided to set the operator within +5% of the extreme end positions. A mechanical position indicator is provided on these units to show the valve position (OPEN & SHUT).


MODEL RATIO FACTOR
(F)
TURNS TO CLOSE MAX. OUTPUT TORQUE DRIVE BORE
mm
APP Wt. KGS
MKG NM MIN MAX
TQ 160 30:1 8.5 7.5 15 145 15 25 6.5
TQ 400 41:1 11.5 10.25 40 385 20 32 9.5
TQ 700 41:1 11.5 10.25 65 625 25 45 14
TQ 1650 40:1 11 10 145 1450 35 50 25
TQ 2000 60:1 17 15 220 2100 40 55 45
TW 50 50:1 15 12.5 330 3185 60 80 72
TW 75 75:1 22.5 18.75 500 4825 80 100 115
TW 100 100:1 30 25 666 6430* 100 127 195

SR. NO. QTY. DESCRIPTION MATERIAL
1. 1 MAIN HOUSING CI (FG 220)
2. 1 COVER CI (FG 220)
3. 1 INPUT SHAFT EN8
4. 1 WORM EN8
5. 1 WORM WHEEL RING P.BR./SGIRON/AB2C
5A. 1 WORM WHEEL HUB CI (FG 220)