China KH Series Manual Override for Pneumatic Actuators - Reliable Factory Suppliers for 90° Rotary Valves
| Item | QTY | NAME | MATERIAL |
|---|---|---|---|
| 1 | 1 | Housing | Alloy steel/Carbon steel |
| 2 | 1 | Bracket cap | Alloy steel/Carbon steel |
| 3 | 1 | Worm gear | Nodular cast iron |
| 4 | 1 | Connecting shaft | Carbon steel |
| 5 | 1 | Eccentric bushing | Carbon steel |
| 6 | 1 | Bearings component | Bearing Steel |
| 7 | 1 | Worm | Carbon steel |
| 8 | 1 | Handle | Carbon steel |
| 9 | 1 | Limit components | Carbon steel/Other |
| 10 | 1 | Stoppers crew | Carbon steel |
| 11 | 1 | Handwheel | Carbon steel |
| 12 | 1 | Worm shaft | Carbon steel chrome plated |
| 13 | 1 | Straight pin(Handwheel) | Carbon steel |
| 14 | 1 | Straight pin(Worm gear) | Carbon steel |
| 15 | 1 | Adjustable bolt | Stainless steel |
| 16 | 1 | Nut | Stainless steel |
| 17 | 1 | Bolt | Stainless steel |
| 18 | 1 | Straight key | Carbon steel |
| 19 | 1 | Snap ring | Spring steel |
Parameters
| Model | Speed Ratio | Input Torque (N.M) | Output Torque (N.M) | Dia of Wheel | Weight (kg) |
|---|---|---|---|---|---|
| KH-1 | 26:01:00 | 50 | 280 | p180 | 2.6 |
| KH-2 | 30:01:00 | 60 | 360 | 200 | 4 |
| KH-3 | 38:01:00 | 90 | 620 | 280 | 6.5 |
| KH-4 | 54:01:00 | 110 | 1310 | 300 | 13 |
| KH-5 | 80:01:00 | 140 | 2600 | 400 | 32 |
| KH-6 | 78:01:00 | 200 | 3500 | 500 | 43 |
| KH-7 | 98:01:00 | 200 | 4200 | 600 | 65 |
| KH-8 | 100:01:00 | 200 | 5500 | 600 | 115 |
Frequently Asked Questions
The main housing and bracket cap are constructed from high-strength Alloy Steel or Carbon Steel. The worm gear is made from durable Nodular Cast Iron to ensure prolonged operational life and wear resistance.
The output torque ranges from 280 N.M for the compact KH-1 model up to 5500 N.M for the heavy-duty KH-8 model, accommodating varying load requirements.
Yes, the worm shafts are made of carbon steel and finished with chrome plating, which provides excellent resistance against corrosion, rust, and wear in harsh working environments.
Depending on the model, the speed ratios range from 26:1 (KH-1) up to 100:1 (KH-8), allowing for precise control and high-torque transmission.
The weight of the units scales with their capacity, starting from a lightweight 2.6 kg for the KH-1 model and reaching up to 115 kg for the largest KH-8 model.