Big-Size High Torque Pneumatic Actuator
Applications: Petroleum, chemical, natural gas and large water conservancy projects
Mounting dimensions: According to ISO 5211, the fixing method for accessories with stainless steel connectors is based on VDI/VDE3845 NAMUR
Certification: ATEX 94/9/EC; SIL3 (ICE61508); GOST-R; UKR
main feature:
• Fork-type construction for high-torque, angular travel (90°) valve drives.
• The actuator ensures long-lasting operation with the help of the bushing, in particular:
- 2 solid bronze support bushings to minimize friction and improve the accuracy of the fork's rotation.
- 2 sliding bronze bushings increase the load area between the shift fork and the slider and reduce wear between the shift fork and the slider.
- Two guide blocks and bushings (sintered bronze and PTFE) on the piston rod increase efficiency, reduce maintenance and guarantee a long service life.
• The guide bar is able to withstand high lateral forces and guarantees sufficient support.
• The surface of all drive rods and piston rods is chrome-plated, thus ensuring maximum corrosion resistance and minimizing friction between the dynamic seals and their corresponding guide sleeves.
• PTFE-filled graphite piston guide reduces friction between the piston and the inner surface of the cylinder, self-lubricating and maintenance-free.
• The inner surface of the cylinder provides a nickel coating with high reliability and corrosion resistance.
• Multiple external bolt constructions ensure a solid cylinder.
• Carbon steel welding of the cylinder provides maximum impact and stress resistance.
• The inner coating (cylinder and connection block) provides corrosion protection.
• Parts are free of cast iron to ensure their reliability.
• The standard outer coating is thicker than 200 microns to protect the actuator from atmospheric interference.
• External mechanical stop allows for precise +/- 5° rotation adjustments in the open and closed positions.
• Low hysteresis and high reactivity make the actuator suitable for on/off and adjustment functions.
• Single-acting pneumatic actuators enable "fault shut-off" or "fault open".
• The spring set is completely closed by initial welding, avoiding any danger during assembly and use.
• The actuator connection standard is ISO 5211, and the attachment to the stainless steel connector is fixed according to VDI/VDE3845 NAMUR.
Professional manufacturing and professional services, KUNAG creates more value for you
Continuously improving the quality of services and keeping improving, "sincere service" is the eternal theme of KUNAG. Kunag strictly complies with the requirements of ISO9001-2000 quality system certification, strictly controls the quality and responsibilities to the people to ensure the healthy operation of production, sales and service. To strengthen communication with customers and to provide our customers with quality products and perfect service, we hereby make the following commitments:
Product Standards
Products are designed, manufactured, and inspected strictly in accordance with China\'s GB, HG standards, and US API standards. The hardness of the sealing surface meets the national requirements and the width exceeds the national standard.
pre-sale service
Product introduction, technical communication, non-standard product design, troubleshooting.
Sale service
Trustworthy contracts, guarantee timely delivery, and keep in touch with customers at any time.
For special or complex products, our factory arranges technicians to train and guide users on product use, troubleshooting, tuning and maintenance.
After sales service
The warranty period of Weitong products is 12 months from the factory, and the "three guarantees" service (return, replacement, repair) is implemented.
During the use of our products, our factory regularly organizes technical and inspection personnel to visit and solicit user feedback on product quality, use conditions, and improvement opinions in order to further improve product quality.
Quickly respond to customer complaints about product quality problems, and after-sales service personnel rushed to the scene within 24-36 hours (48 hours outside the province).
For after-sales service, users are required to fill in the quality feedback form after the service and make appraisal opinions, while improving Guardian\'s service quality.
Order process
Landline: 021-59718851 (AM-8: 30 to PM-17: 30)
Mobile phone: 18918462396 (WeChat same number 24-hour service)
QQ: 2030185432
Email: kunage@126.com
Receive customer purchase list, provide customers with valve model selection and quotation (price list).
Specific agreement: delivery time, special requirements, etc.
download Google:
Customers have special requirements for products, and must provide the following instructions in the order contract:
(1) Structure length;
(2) Connection form;
(3) Nominal diameter, full diameter, reduced diameter, pipe size;
(4) Operating medium, temperature and pressure range;
(5) Experiment, inspection standards and other requirements;
(6) Various driving devices can be configured in this field according to the special requirements of customers;
If the determined valve type and model are provided by the customer, the customer should correctly explain the meaning and requirements of its model, and sign the contract under the conditions that the supply and demand sides understand and agree.
Contact: Peng gong
Q Q: 2030185432
Mobile: 18918462396(WeChat same number - 24 hours service)
Landline: 021-59718851
E-mail :kunage@126.com