◀ Wafer or Lug Body Styles
One-piece wafer body style or full lug style for dead end service. Both body styles offer bidirectional sealing as standard in conformance with full ASME class 150 and class 300 rating.
Wide Variety Of Disc Material Choices ▶
Precision machined and hand polished disc to provide a minimum torque and longer seat life.
◀ Actuator Mounting Flange
The top flange is drilled as per EN ISO 5211 to accommodate direct mounting of a wide range of actuators.
Wide Choice Of Seating Materials ▶
Unique torque and groove seat design to body retention. Providing complete isolation of flowing media from the body and making field replacement fast and simple. The seat features a molded O-ring which eliminates the use of flange gaskets. The seat is designed to seal with slip-on or weld-neck flanges.
◀ Triple Offset Metal Seated is Available
Triple offset metal seated butterfly valves are widely used in plants and high pressure and high temperature piping system. The metal seat shall be consisted of laminated seat or solid seat.
Moulding and Modification Services ▶
We can customize an actuator or a valve for you based on your own custom specifications.
CNC Machining
Advanced CNC machine from German.
Deep Hole Drilling
Drilling with accuracy and precision.
High Strength Stem
Provides maximum strength for high torque applications.
Semi-finished Products and Components
Partly finished products, waiting for further processing.
Valve Assembly
Semi-automatic valve assemble machine.
Tightness Test
100% tested before shipping.
COVNA - Solve your technical questions with solid experience
We are COVNA Automations, one of the top manufacturers of quarter turn actuators and automatic control valve products in Dongguan, China with 18 years experience. Our industrial experience will be useful in your business and projects.
18 Years Operation
Good credit rating. Large quantities of regular clients.
German Imported CNC Machine
Fully automated, high accuracy.
ISO 9001 Certificated
With additional certifications that include TUV SGS RoHS.
Affordable Prices
Our prices are both fair and affordable.
Qualified Engineers
Designed and manufactured by experienced engineers.
Well-trained Staffs
Always available to answer your questions.
ODM Services
With access to download 2D & 3D models.
Standardization Production
Stable quality, strict quality control.
Same-day Shipping
Keep a large stock of ball valves.
Field Service
Provide continuous assistance in over 40 countries.
One Year Warranty, Life Service
A period of twelve (12) months from the shipment date.
Global Presence
Find us at the exhibition or contact local representatives.
Packing: COVNA DN80 3 inch JIS10K EPDM Seat Aluminum Alloy Double Acting Pneumatic Actuator KITZ Butterfly Valve packed with foam in carton.