Yj-F Series Manual Type Valve Worm Gear Operator

Get a YJ-F Series Manual Type Valve Worm Gear Operator from our factory. High-quality, reliable, and cost-effective for your industrial needs.
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  • Overview
  • Product Description
  • Product Parameters
  • Company Profile
  • FAQ

Basic Info.

Model NO.
Black (Customizable)
Transport Package
Plywood Case
Depends on valves size
Sichuan, China
HS Code
Production Capacity

Product Description

Product Description

YJ-F series Part-turn worm gearboxes suitable for Ball Valves, Butterfly Valves, Plug Valves,etc. 

YJ-F series part-turn worm gearbox has good mechanical quality and steady operating performance, with new design. It can be operated manual when the air source is cut off, and it also can be switched to separate manual operation when it is operated pneumatically.
The flange connecting to valve is according to ISO5211.

Product Parameters


Model F26 F38 F54 F80 F78A F100 F320 F420
Ratio 26:1 38:1 54:1 80:1 78:1 100:1 320:1 420:1
Max output torque 
390 550 620 1200 2000 3500 5000 8000 16000
Conntection dimension 70 102 102 140 165 165 200 254 298
Max stem diameter 22 32 38 48 60 76 80 85 100
Handwheel 200 200 250 300 400 500 500 500 600
Company Profile


Yj-F Series Manual Type Valve Worm Gear OperatorYj-F Series Manual Type Valve Worm Gear OperatorYj-F Series Manual Type Valve Worm Gear Operator


Q: What's your main products?
A: Our main products are worm gearbox, bevel gearbox and spur gearbox for gate valve, globe valve, ball valve, butterfly valve and etc.

Q: How long is your delivery time?
A: Delivery time was depends on the quantity of the order and our inventory, normally is 10~15 days.

Q: Term of payment?
A: T/T 30% in advance, T/T balance before shipment.

Q: Can you provide free sample?
A: Yes, we can provide the sample for free, but the shipping costs need paid by yourself.

Q: Could you specially design and produce according to client's requirements?
A: Yes, we can

If any other questions about our products, welcome to contact us.

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