Worm Gear Operators for Valve

Worm Gear Operators for Valve

                     KB-S Series WORM Equipment BOX



  1. The equipment box can be used to butterfly valve, ball valve, plug valve and so on
  2. CZPTs with precision casting, novel fashion, wonderful look
  3. Design CZPT acc to ISO5211, with sensible framework
  4. Adopting worm gear and worm travel, worm equipment with self-locking by using tapered roller bearings ,tends to make transmission a lot more flexible and with high performance
  5. Can be with stem bush,which will be a lot more convinent
  6. One particular more reducer is used on the gear box, can function more easily while the ratio is larger.
  7. Defense class can be IP65
  8. Travelling: ~ ninety degree (+-five diploma adjustable)
  9. Clockwise rotation of handwheel to near valve and counterclockwise rotation to open up valve
  10. Handwheel dimension can be CZPT according                        to requirement                                                                                                               

                                                                          Elements and Substance Record

NO. Description Material Material amount
1 Bolts Carbon Metal ASTM A29M-1571
2 Indicator Plate Carbon Steel ASTM A29M-1571
3 O-ring Rubber NBR
four Oil seal Rubber NBR
five Handwheel indicator Carbon Metal ASTM A29M-1571
six Bolts Carbon Steel ASTM A29M-1045
seven Protect Carbon Metal/ Ductile iron ASTM A216 WCB/ ASTM A536 sixty five-45-12
eight Sealing Gasket Insulation paper  
9 Worm Equipment Ductile iron ASTM A536 65-forty five-12
ten Stem Bush Carbon Steel ASTM A29M-1571
eleven Snap Ring Carbon Metal ASTM A29-1566
12 End Go over Carbon Metal ASTM A29M-1571
thirteen CZPT Alloy Metal ASTM A295-52100
14 Physique Carbon Steel/ Ductile iron ASTM A216 WCB/ ASTM A536 sixty five-forty five-12
15 Grease Nipple Carbon Metal ASTM A29M-1571
sixteen Worm Carbon Metal ASTM A29M-1045
17 Important Carbon Metal ASTM A29M-1045
eighteen Reduction physique Carbon Metal/ Ductile iron ASTM A216 WCB/ ASTM A536 sixty five-45-12
19 Bolts Carbon Steel ASTM A29M-1045
20 CZPT Alloy Metal ASTM A295-52100
21 Gears Carbon Metal ASTM A29M-1045
22 Snap Ring Carbon Metal ASTM A29-1566
23 Reduction protect Carbon Metal/ Ductile iron ASTM A216 WCB/ ASTM A536 sixty five-45-twelve
24 Washer of nuts Carbon Steel ASTM A29M-1571
25 Changing nuts Carbon Steel ASTM A29M-1045
26 Altering Bolts Carbon Steel ASTM A29M-1045


Mounting Base Exterior Portion Enter Shaft Part Handwheel
Kind Flange Size D1 P.C.D D3 H0 H1 H2 K K1 K2 K3 L L2 L1 PD Essential M
F-12 eighty five 125 4-M12-18 a hundred and fifty 3 66 204 91 48 fifty one 220 eighty three 161 31 21 6 three hundred
KB-01-1S F-fourteen 100 one hundred forty 4-M16-24 a hundred seventy five 4 seventy five 225 ninety four 48 sixty one 276 ninety three 171 31 21 six 350
KB-02-1S F-16 a hundred thirty a hundred sixty five 4-M20-thirty 210 five 92 286 a hundred and ten sixty four 68 350 113 205 forty 28 eight 450
(F-twenty) one hundred forty 205 eight-M16-24 250 five 111 325 112 58 sixty eight 362 126 217 40 28 eight 500
KB-04-1S F-twenty five two hundred 254 8-M16-24 300 5 a hundred and forty four 383 124 sixty three a hundred 426 158 246 40 28 eight 600
KB-05-1S F-30 230 298 8-M20-30 350 five one hundred sixty 453 143 seventy one a hundred and one 464 a hundred ninety 284 40 28 eight 650
KB-06-1S F-35 260 356 8-M30-forty five 415 5 200 525 169 ninety one 119 498 224 318 forty 28 8 700
KB-07-1S B F-40 three hundred 406 8-M36-54 475 8 225 619 190 101 155 457 237 417 sixty 38 ten 800
KB-08-1S F-forty 300 406 eight-M36-fifty 475 8 270 668 201 102 a hundred and fifty five 499 279 459 60 38 10 900
KB-09-1S C F-forty eight 370 483 twelve-M36-fifty four 560 eight 338 790 232 116 561 341 521 60 38 ten 900

CZPT Parameters

Flange Dimension (ISO5211) Max Valve Stem dmax Max Torque M.A. Bodyweight
Input Output
mm Nm Nm 10% Kg
KB–1S sixty three:1 F-12 40 (12 X eight) 65 1000 16.1 19
KB-01-1S 74:1 F-14 fifty (14 X 9) 100 1850 18.9 21
KB-02-1S 129:1 F-16 sixty (18 X eleven) ninety 3000 33 38
KB-03-1S 158:1 ( F-20 ) 70 (twenty X twelve) one hundred and five 4200 forty forty one
KB-04-1S 179:one F-25 ninety (twenty five X fourteen) 160 6500 forty one sixty four
KB-05-1S 177:1 F-thirty a hundred and five (28 X sixteen) 225 10000 forty five 91
KB-06-1S 201:one F-35 120 (32 X 18) 295 15000 51 137
KB-07-1S 202:one F-forty 140 (36 X twenty) 590 28000 forty eight 220
KB-08-1S 244:one F-forty a hundred sixty five (forty X 22) 890 48000 54 290
KB-09-1S 234:1 F-48 190 (forty five X 25) 1300 72000 fifty six 450

input torque=output torque/M.A.

About worm reducer
A worm gear reducer is a kind of reduction gear that is employed to convert higher motor speed enter into lower pace output even though also keeping high torque. The worm producer is composed of a equipment in the form of a screw meshed into the device which outputs in the correct angle orientation. The worm reducer is primarily manufactured of bronze with steel or stainless steel worm. The size of the worm reducer is very little and sleek in contrast to other equipment reducers which tends to make it extremely handy for rated motor pace and area problems.

 Employs of Worm Reducer?

The worm reducers are utilized in fields like tuning devices, elevators, escalators, conveyor belts, medical tools, energy transmission techniques, and safety gates to name a handful of.

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Related Items
Our Firm
CZPT-power Team expert in making all varieties of mechanical transmission and hydraulic transmission like: planetary gearboxes, worm reducers, in-line helical gear velocity reducers, parallel shaft helical gear reducers, helical bevel reducers, helical worm gear reducers, agricultural gearboxes, tractor gearboxes, vehicle gearboxes, pto shafts, special reducer & relevant equipment factors and other relevant items, sprockets, hydraulic technique, vacuum pumps, fluid coupling, gear racks, chains, timing pulleys, udl velocity variators, v pulleys, hydraulic cylinder, equipment pumps, screw CZPTs, shaft collars lower backlash worm reducers and so on. furthermore, we can generate CZPT variators, geared motors, electric motors and other hydraulic products in accordance to customers’ drawings.
We supplies a reputable grantee for the product’ s good quality by CZPTd inspection and screening equipment. professional technical staff, exquisite processing technology and rigorous control technique. 
In modern years, the organization has been establishing swiftly by its prosperous experience in generation, CZPTd management system, standardized administration system, powerful technological force. We always adhere the idea of survival by top quality, and advancement by innovation in science and engineering. 
Our Group is inclined to perform with you hand in hand and generate brilliance with each other! 

Materials CZPT

Low carbon steel, C45, 20CrMnTi, 42CrMo, 40Cr, stainless steel. Can be tailored relating to client requirements.

Floor remedy

Blacking, galvanization, chroming, electrophoresis, shade painting, …


Heat treatment

Large frequency quenching heat remedy, hardened enamel, carbonizing, nitride, …



Q: Are you investing business or maker ?

A: Our team is made up in 3 factories and two overseas product sales companies.

Q: Do you supply samples ? is it totally free or additional ?
A: Indeed, we could offer you the sample for cost-free demand but do not pay the price of freight.

Q: How long is your delivery time ? What is your conditions of payment ?
A: CZPTly it is forty-45 days. The time could vary dependent on the merchandise and the level of customization. For normal merchandise, the payment is: 30% T/T in CZPT ,equilibrium ahead of shippment.

Q: What is the specific MOQ or price for your item ?
A: As an OEM firm, we can provide and adapt our items to a wide variety of wants.As a result, MOQ and price may tremendously vary with dimension, materials and additional technical specs For instance, costly products or regular merchandise will generally have a decrease MOQ. Please contact us with all appropriate details to get the most precise quotation.

If you have another question, please feel totally free to get in touch with us.

Packing & Shipping
Also I would like to get this possibility to give a transient introduction of our CZPT-Electricity firm:

Our business is a CZPT maker of agriculture gearbox,worm minimize gearbox, PTO shafts, Sprockets ,rollar chains, bevel gear, pulleys and racks in china.

We have exported numerous products to our clients all over the globe, we have lengthy-time encounter and sturdy technology support. 

Some of our customer :
France: Itfran, Sedies
Brazil: AEMCO ,STU 
Usa: John Deere , BLOUNT, Weasler, Agco, Omni Gear, WOODS
Canada: JAY-LOR , CANIMEX ,RingBall

-Ø Our Firm with more than twelve year’s heritage and a thousand employees and 20 revenue.
-Ø With above 100 Million USD product sales in 2017
-Ø With CZPT machinery equipments
-Ø With massive work capacity and high high quality handle, ISO accredited.

You also can check our site to know for much more details, if you want our merchandise catalogue, please get in touch with with us.





Worm Gear Operators for Valve