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COVNA Gas Control Wafer Centerline Cast Iron Butterfly Valve With Pneumatic Actuator

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Quick Details

Port: shenzhen
Payment Terms: T/T,Western Union
Supply Ability: 10000 Piece/Pieces per Month
Place of Origin: Guangdong China
End Connection: Wafer, Flange End
Port Size: 2" to 24", DN50 to DN600
Temperature of Media: Normal Temperature,t<80°C
Media: Water, Air, Gas, Oil, Liquid, Steam,Water, Air, Gas, Oil, Liquid, Steam
Material: Cast Iron, Ductile Iron
Model Number: HK59D
Pressure: PN1.0 to 1.6MPa, 145 to 232PSI
Air Supply Pressure: 2.5 to 8bar
Brand Name: COVNA
Item: Wafer Centerline Cast Iron Butterfly Valve
Sealing Material: NBR, EPDM, FKM (VITON), PTFE
Structure: BUTTERFLY
Acting Mode: Double Acting, Single Acting (Spring Return)
Application: General
Power: PNEUMATIC
Certificate: CE, RoHS, ISO9001
Packaging Detail: Each Wafer Centerline Cast Iron Butterfly Valve Packed with Foam in Carton
Dongguan Chuancheng Pneumatic Components Co., Ltd.
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Product Description

HIGH FREQUENCY

MODULARITY

PERFORMANCE

LONG SERVICE LIFE

Item
Wafer Centerline Cast Iron Butterfly Valve
Applicable Standards
GB, DIN, ANSI, ASME, JIS, API
Size Range
DN50 to DN600, 2" to 24"
Acting Mode
Double Acting, Sping Return (Single Acting) are Available
Air Supply Pressure
2.5 to 8bar
Operating Pressure
Low Pressure, PN1.0 to 1.6MPa (145 to 232PSI)
Output Torque
14 to 1170Nm
Lifespan
1,000,000 (1 Million) Times
Angle of Rotation
90° ±4°
Shell Material
Aluminum Alloy Extruded
Body Material
Cast Iron
Sealing Material
NBR, EPDM, VITON, PTFE
Core Material
Cast Iron
Structure
Midline
End Connection
Wafer, Flange End are Available
Applicable Media
Control of Water, Air, Gas, Oil, Liquid, Steam
Temp. of Media
Range from -10 to +80°C (14 to 176°F) with NBR Sealing
Ambient Temp.
Standard Type: -20 to +80°C (-4 to 176°F)
Optional Accessories
Namur Solenoid Valve, Limit Switch, F.R.L, Position Indicator, Manual Device
Application
Food & Beverage, Refining, Desalination, Petrochemical, Chemical, Pharmaceutical, Textile, Pulp & Paper, Mining, Marine and Power Industries
Lubrication
There is no need for lubrication for standard type under normal operating conditions. Special lubricants should be used under low or high temperature operating conditions
Detailed Images
#ALIBABA SELECTION SUPPLIER WITH 17 YEARS MANUFACTURING EXPERIENCE

QUALITY CONTROL

COVNA havs invested in quality assurance, state-of-the-art machining and testing facilities in order to assist customers in safely controlling their processes.



MADE BY EXPERIENCED ENGINEERS

All products are designed, engineered and manufactured by experienced industry engineers to provide safe, reliable, dependable and affordable valves, actuators and solutions.



Principles of Single Acting & Double Acting Actuators
Principle of Single Acting Actuator (Spring Return)

CCW


Air to port A forces the pistons outwards, causing the springs to compress, The pinion turns counterclockwise while air is being exhausted from port B.


Loss of air pressure on port A, the stored energy in the springs forces the pistons inwards. The pinion turns clockwise while air is being exhausted from port A.

CW


Air to port B forces the pistons outwards, causing the springs to compress, The pinion turns counterclockwise while air is being exhausted from port B.


Loss of air pressure on port A, the stored energy in the springs forces the pistons inwards. The pinion turns clockwise while air is being exhausted from port A.

Principle of Double Acting Actuator

CCW


Air to Port A forces the pistons outwards, causing the pinion to turn counterclockwise while the air is being exhausted from Port B.


Air to Port B forces the pistons inwards, causing the pinion to turn clockwise while the air is being exhausted from Port A.

CW


Air to Port A forces the pistons outwards, causing the pinion to turn clockwise while the air is being exhausted from Port B.


Air to Port B forces the pistons inwards, causing the pinion to turn counterclockwise while the air is being exhausted from Port A.

Output Torque Diagram

*NOTE:

Make sure that the torque necessary to operate the valve is compatible with the actuator torque (it depens on both actuator type and air supply).

Please note that the requested torque depends not only on the valve,but on the working conditions and the safety margins of the plant in question, too.
Accessories
About COVNA
COVNA from Dongguan, China is a professional manufacturer of fluid control valves provides performance, safety and long service life products which have to reliably handle the most aggressive of substances, our products stand the test of time in food & beverage, water & wastewater, ultra pure water, desalination, chemical, textile, transportation, pulp & paper, mining, boiler and power industries.

COVNA give comprehensive service from start to finish, encompassing consultation through to after sales service, full support in every respect and ensure that you are accompanied at each stage of your project.

Together with continual feedback from our customers as well as our experience in manufacturing and quality control, COVNA aims to provide our customers the best quality products with the most competitive pricing,on-time delivery and full warranty service

Our competitive advantage:
● Consistent product quality and reduction of defective rate
● Improved manufacturing process and better productivity
● Significant cost reduction versus competitors

This is COVNA - solve your technical questions with solid experience.
Our Service
COVNA operates a full service valve maintenance facility with a complete scope of work that includes valve modifications (trim, end connection, cryogenic extension), testing and remanufacturing. In addition to MRO (maintenance, repair, and overhaul) services and inventory modifications for our customers, our maintenance facility serves as a complete warranty center for all COVNA products
Factory Views


Learn more about us, please feel free to call us at 86-13724477011

Certifications
COVNA were awarded both nationally and internationally and it's certified TUV SGS RoHS ISO 9001 for the entire process of design and manufacture of valves.
Packing
Packing: Pneumatic valves packed with foam in carton.
Delivery Time: 15 working days after payment confirmed.

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