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Heavy Duty Scotch Yoke Hydraulic Actuator - China

price: contact company for price

Trade Terms: FOB, CFR, CIF

Payment Terms: T/T, Western Union, Paypal

Model NO.: DFA16-350-S4/5 to DFA35-700DA

Size: Dfa16-350-S4/5 to Dfa35-700da

Trademark: ALL TORQUE or Customized

Packing: Standard Carton, Wooden Case or Pallet

Standard: standard wooden case

HS Code: 8412390000

Production Capacity: 10, 000 PCS/Year

Pneumatic/hydraulic scotch yoke atuator

1. Size: DFA14 to DFA60

2. Working pressure: 3 to 8 bar

3. Switch angles: 0 to 90 deg; , ± 5 deg adjustable

4. Acting: Double acting; Spring return(single acting)

5. Certification: ATEX(TUV), CE

6. Suitable temperature:

Standard: -20~+80 centigrade

Low temperature: -40~+80 centigrade

High temperature: -15~+150 centigrade

7. Output torque:

Double acting: 1417 to 29164 NM

Single acting: 1700 to 9725 NM

8. Modular Versatility:

Pneumatic Power Module,

Hydraulic Power Module or Override for Hydaulic Actuators,

Pneumatic Power Module with Extended Travel Stops,

Spring exchangeable,

Spring Module with Patented Adjustable Output Torque and

Integral Override gear operator,

Hydraulic Power Module or Override for Hydaulic Actuators

Module,

Pneumatic Power Modul,

Spring Module with Patented Adjustable Output Torque,

Integral Override Hydraulic Cylinder

9. Distinguished Characteristics:

(1)Patented spring module: Output torque adjustable, Springs

replaceable fit different type of valve's torque.

(2)Corrosion Resistan:

The DFA series actuators incorporate over three stages of

internal and external coatings to resist severe weather,

chemical and petroleum environments. The inner surface of

cylinder is coated by PTFE, enhanced corrosion resistant and

self-lubricating.

(3)Modular Design:

DFA series actuators have available, field-serviceable

drive, power, spring and override modules, the modules are

removable, serviceable and interchangeable when mounted to

the valve. Modules are available for separate purchase to

reduce spare parts inventory.

(4)Safe Spring Module:

To ensure the safety of personnel during installlation and

maintenance, the spring module has been designed so that it

can only be removed from the power module with the spring in

the fully extended position. This prevents accidental

release of the spring force, protecting personnel from

injury and the actuator from accidental damage.

(5)Water Ingress Protected:

O-rings are fitted on bodies, caps and so on, this ensure

water ingress protected.

(6)ISO Valve Mounting:

The DFA Series actuators interface meets ISO standard, and

meets the dimensional Requirements of ISO defined for each

torque range.

(7)Standardization:

The shaft driven accessory interface conforms to NUMAR and

is identical on all DFA Series, allowing standardization of

accessory mounting hardware and installation practices.

(8)Wear Resistant:

The guide rod and piston rod have an advanced surface

treatment, which combined with

Self-lubricating bearings, provides superior wear resistance

and extends the life of all sliding components.

(9)High Efficiency:

The piston rod and guide block connection superior surface

finishes and self-lubricating bearings maximize input energy

transfer directly to the valve stem, efficiency is further

enhanced by the tension-loaded spring, minimizing radial

loads on the piston rod.

(10)Precompressed spring unit:

Precompressed spring unit easy to exchange, to ensure safe

operation.

(11)Replaceable Bearings:

Replaceable Bearings protect sliding and rotation

components, with suitability for either dry or lubricated

working conditions.

(12)Hydraulic Overrides for Spring Module:

Inside hydraulic override cylinder module for spring-return

models does not increase actuator length.

(13)PTFE Guide Ring:

Guide ring, made of PTFE, prevents metal to metal contact

with the cylinder bore, protect the cylinder from being

scratched by pistons.

(14)Roller:

Roller used reduce the friction between the yoke arm and

pin, minimizing the wear of yoke arm and pin.

(15)80° -100° Traval Adjustment:

Bi-Directional Travel Stops integral to the actuator, the

stops allow 80° -100° Total travel adjustment.


Company Contact:


  • Phone: 0086577862561168010

  • Address: No.2 Factory, Jinzhou Industrial Park, Guoxi Town,, Wenzhou, China

  • Email: Email


Published date: July 24, 2013 -

  • Business Description: Zhejiang Dingfeng Fluid Autocontrol Equipment Co.,Ltd. (ALL TORQUE®) was

    established in 1999, located at Wenzhou city, Zhejiang province. ALL

    TORQUE® strives continually to anticipate and exceed our customers

    expectation through our commitment to excellent service, quality and

    innovation. The result of our efforts enable our customer to receive

    finished products that enhance their opportunities to enjoy profitable

    growth and development. ALL TORQUE® strive to make the high grade

    precise product, we always keep our honest and credit, insist on

    technical innovation and like to developing with our customers from the

    world all together.

    ALL TORQUE®developed its own distinctive products and have many different features from others as following:

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