China factory Worm Wafer Resilient Soft Seal Resilient Seat Ductile Iron Cast Iron Water Seal Butterfly Gate Valve Gearbox for Irrigation with high quality

Product Description

Worm Wafer Resilient Soft Seal Resilient Seat Ductile Iron Cast Iron Water Seal Butterfly Gate Valve Gearbox for Irrigation


NO. Description Material Material number
1 Bolts Carbon Steel ASTM A29M-1571
2 Indicator Plate Carbon Steel ASTM A29M-1571
3 O-ring Rubber NBR
4 Oil seal Rubber NBR
5 Handwheel indicator Carbon Steel ASTM A29M-1571
6 Bolts Carbon Steel ASTM A29M-1045
7 Cover Carbon Steel/ Ductile iron ASTM A216 WCB/ ASTM A536 65-45-12
8 Sealing Gasket Insulation paper  
9 Worm Gear Ductile iron ASTM A536 65-45-12
10 Stem Bush Carbon Steel ASTM A29M-1571
11 Snap Ring Carbon Steel ASTM A29-1566
12 End Cover Carbon Steel ASTM A29M-1571
13 Bearing Alloy Steel ASTM A295-52100
14 Body Carbon Steel/ Ductile iron ASTM A216 WCB/ ASTM A536 65-45-12
15 Grease Nipple Carbon Steel ASTM A29M-1571
16 Worm Carbon Steel ASTM A29M-1045
17 Key Carbon Steel ASTM A29M-1045
18 Reduction body Carbon Steel/ Ductile iron ASTM A216 WCB/ ASTM A536 65-45-12
19 Bolts Carbon Steel ASTM A29M-1045
20 Bearing Alloy Steel ASTM A295-52100
21 Gears Carbon Steel ASTM A29M-1045
22 Snap Ring Carbon Steel ASTM A29-1566
23 Reduction cover Carbon Steel/ Ductile iron ASTM A216 WCB/ ASTM A536 65-45-12
24 Washer of nuts Carbon Steel ASTM A29M-1571
25 Adjusting nuts Carbon Steel ASTM A29M-1045
26 Adjusting Bolts Carbon Steel ASTM A29M-1045


Mounting Base External Part Input Shaft Part Handwheel
Type Flange Size D1 P.C.D D3 H0 H1 H2 K K1 K2 K3 L L2 L1 PD KEY M
F-12 85 125 4-M12-18 150 3 66 204 91 48 51 220 83 161 31 21 6 300
KB-01-1S F-14 100 140 4-M16-24 175 4 75 225 94 48 61 276 93 171 31 21 6 350
KB-02-1S F-16 130 165 4-M20-30 210 5 92 286 110 64 68 350 113 205 40 28 8 450
(F-20) 140 205 8-M16-24 250 5 111 325 112 58 68 362 126 217 40 28 8 500
KB-04-1S F-25 200 254 8-M16-24 300 5 144 383 124 63 100 426 158 246 40 28 8 600
KB-05-1S F-30 230 298 8-M20-30 350 5 160 453 143 71 101 464 190 284 40 28 8 650
KB-06-1S F-35 260 356 8-M30-45 415 5 200 525 169 91 119 498 224 318 40 28 8 700
KB-07-1S B F-40 300 406 8-M36-54 475 8 225 619 190 101 155 457 237 417 60 38 10 800
KB-08-1S F-40 300 406 8-M36-50 475 8 270 668 201 102 155 499 279 459 60 38 10 900
KB-09-1S C F-48 370 483 12-M36-54 560 8 338 790 232 116 561 341 521 60 38 10 900

Technical Parameters

Flange Size (ISO5211) Max Valve Stem dmax Max Torque M.A. Weight
Input Output
mm Nm Nm 10% Kg
KB-0-1S 63:1 F-12 40 (12 X 8) 65 1000 16.1 19
KB-01-1S 74:1 F-14 50 (14 X 9) 100 1850 18.9 21
KB-02-1S 129:1 F-16 60 (18 X 11) 90 3000 33 38
KB-03-1S 158:1 ( F-20 ) 70 (20 X 12) 105 4200 40 41
KB-04-1S 179:1 F-25 90 (25 X 14) 160 6500 41 64
KB-05-1S 177:1 F-30 105 (28 X 16) 225 10000 45 91
KB-06-1S 201:1 F-35 120 (32 X 18) 295 15000 51 137
KB-07-1S 202:1 F-40 140 (36 X 20) 590 28000 48 220
KB-08-1S 244:1 F-40 165 (40 X 22) 890 48000 54 290
KB-09-1S 234:1 F-48 190 (45 X 25) 1300 72000 56 450

input torque=output torque/M.A.

Related products

Our Company
Ever-power Group specialist in making all kinds of mechanical transmission and hydraulic transmission like: planetary gearboxes, worm reducers, in-line helical gear speed reducers, parallel shaft helical gear reducers, helical bevel reducers, helical worm gear reducers, agricultural gearboxes, tractor gearboxes, auto gearboxes, pto shafts, special reducer & related gear components and other related products, sprockets, hydraulic system, vacuum pumps, fluid coupling, gear racks, chains, timing pulleys, udl speed variators, v pulleys, hydraulic cylinder, gear pumps, screw air compressors, shaft collars low backlash worm reducers and so on. furthermore, we can produce customized variators, geared motors, electric motors and other hydraulic products according to customers’ drawings.
We provides a reliable grantee for the product’ s quality by advanced inspection and testing equipment. professional technical team, exquisite processing technology and strict control system. 
In recent years, the company has been developing rapidly by its rich experience in production, advanced management system, standardized management system, strong technical force. We always adhere the concept of survival by quality, and development by innovation in science and technology. 
Our Group is willing to work with you hand in hand and create brilliance together! 

Material available

Low carbon steel, C45, 20CrMnTi, 42CrMo, 40Cr, stainless steel. Can be adapted regarding customer requirements.

Surface treatment

Blacking, galvanization, chroming, electrophoresis, color painting, …


Heat treatment

High frequency quenching heat treatment, hardened teeth, carbonizing, nitride, …



Q: Are you trading company or manufacturer ?

A: Our group consists in 3 factories and 2 abroad sales corporations.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time ? What is your terms of payment ?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization. For standard products, the payment is: 30% T/T in advance ,balance before shippment.

Q: What is the exact MOQ or price for your product ?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

If you have another question, please feel free to contact us.

Packing & Delivery





Application: Machinery, Marine, Toy, Agricultural Machinery
Function: Change Drive Torque, Speed Changing, Speed Reduction
Layout: Wrom
Hardness: Hardened Tooth Surface
Installation: Worm Reducer
Step: Worm Drive

irrigation gearbox

Precise Control of Irrigation Equipment with Gearboxes

Irrigation gearboxes play a crucial role in ensuring precise control of irrigation equipment, especially in pivot and linear irrigation systems. Here’s how they achieve this:

  • Ratio and Speed Control: Gearboxes are designed to provide precise control over the rotational speed and direction of motion. This allows farmers to adjust the speed at which the irrigation equipment moves along the designated path.
  • Adjustability: Gearboxes often come with adjustable settings that enable farmers to customize the angle and radius of coverage. In pivot irrigation, for instance, gearboxes control the pivot point, allowing for varying degrees of rotation and precise positioning of sprinklers.
  • Positional Accuracy: Gearboxes ensure accurate positioning of irrigation equipment by translating the rotational motion of the motor into linear movement along a specific path. This accuracy is essential to evenly distribute water across the field and avoid over-watering or under-watering.
  • Repeatability: Gearboxes provide consistent and repeatable movement, ensuring that irrigation equipment follows the same path with each cycle. This repeatability is vital for maintaining uniform water distribution and optimizing crop growth.
  • Integration with Control Systems: Many modern irrigation systems incorporate advanced control systems that can precisely adjust the gearbox’s settings based on factors such as soil moisture levels, weather conditions, and specific crop requirements.
  • Automation: Gearboxes can be integrated into automated irrigation systems that can be programmed to start, stop, and adjust movement patterns automatically. This level of automation ensures precise and efficient water distribution without the need for constant manual intervention.

By providing the means to control speed, angle, and direction, irrigation gearboxes enable farmers to achieve accurate and efficient water distribution, resulting in healthier crops and optimized water usage.

irrigation gearbox

Contribution of Irrigation Gearboxes to Water Conservation in Agriculture

Irrigation gearboxes play a significant role in promoting water conservation in agricultural practices through various mechanisms:

  • Precision Water Distribution: Irrigation gearboxes enable precise control over water distribution. This accuracy ensures that water is delivered directly to the crops’ root zones, minimizing wastage due to overspray or runoff.
  • Adjustable Flow Rates: Many irrigation gearboxes allow for adjustable flow rates, allowing farmers to tailor the irrigation process to the specific water needs of different crops and soil types.
  • Programmable Scheduling: Some irrigation gearboxes are equipped with programmable timers and scheduling features. This capability enables irrigation to occur during optimal times when water evaporation rates are lower, reducing water loss.
  • Zoning and Section Control: Advanced irrigation systems using gearboxes can implement zoning and section control, directing water only to areas that require it. This prevents wastage on non-cultivated or adequately irrigated areas.
  • Efficient Water Management: By providing consistent and uniform water distribution, irrigation gearboxes help avoid underwatering or overwatering, both of which can lead to water waste and inefficient resource utilization.
  • Reduced Runoff and Erosion: Properly calibrated irrigation systems with gearboxes minimize excessive runoff and soil erosion, preserving both water and soil resources.
  • Drip Irrigation Enhancement: In drip irrigation systems, irrigation gearboxes play a role in maintaining optimal pressure levels and ensuring uniform water delivery to each plant, further enhancing water conservation.
  • Adaptation to Terrain: Gear-driven irrigation systems can adapt to varying terrain, ensuring that water reaches plants situated on slopes without excessive runoff.

The application of irrigation gearboxes helps farmers use water more efficiently, minimizing waste, and contributing to sustainable agricultural practices and water conservation efforts.

irrigation gearbox

Role of an Irrigation Gearbox in Pivot and Linear Irrigation

Irrigation gearboxes play a crucial role in both pivot and linear irrigation systems by facilitating the controlled movement of irrigation equipment and ensuring efficient water distribution:

Pivot Irrigation: In pivot irrigation systems, a central pivot point supports a rotating arm with sprinklers attached. Irrigation gearboxes are used to drive the pivot movement, allowing the arm to rotate around the pivot point. As the arm moves, the sprinklers distribute water over the field in a circular pattern. The irrigation gearbox controls the speed and direction of the pivot, ensuring uniform water coverage and preventing overwatering or underwatering in specific areas.

Linear Irrigation: Linear irrigation involves the movement of irrigation equipment along a straight line across the field. Irrigation gearboxes are used to drive the motion of the irrigation equipment, which can include sprinklers, drip lines, or other water distribution devices. The gearbox controls the speed and direction of the movement, ensuring that water is evenly distributed along the length of the field. This method is particularly useful for rectangular or elongated fields.

Both pivot and linear irrigation systems rely on irrigation gearboxes to regulate the movement of irrigation equipment, leading to efficient water distribution and optimized crop watering. The use of irrigation gearboxes enhances water management and contributes to the overall success of agricultural irrigation systems.

China factory Worm Wafer Resilient Soft Seal Resilient Seat Ductile Iron Cast Iron Water Seal Butterfly Gate Valve Gearbox for Irrigation   with high quality China factory Worm Wafer Resilient Soft Seal Resilient Seat Ductile Iron Cast Iron Water Seal Butterfly Gate Valve Gearbox for Irrigation   with high quality
editor by CX 2023-10-09