Awwa C504 Butterfly Valve

Main Features：

• High Strength Ductile Iron Body: For weight reduction and long-term durability.

• Versatile Valve: This can be used for isolation or throttling applications.

• Double Eccentric Design: Reduces friction between the disc and seat.

• Dovetail Seat Design: Multiple bosses increase contact with the disc while reducing friction during shutoff. Seats are secured with an epoxy-based adhesive.

• Optimized Discs: 14" to 72" discs are designed with arches and through discs to provide better flow paths, increased strength, and reduced weight.

• Stronger Shaft And Disc Connection: Replaceable tangential pins provide a strong connection and longer valve life.
  

• Corrosion Resistance: All ferrous parts are coated inside and out with a fusion-bonded epoxy resin for greater corrosion resistance by AWWA C550.
  

• Regulatory compliance: Valves are designed to meet AWWA C504 and API 609 standards.
  

• Safety approvals: Valves are NSF61 certified for potable water and NSF372 certified for lead content.

Material and Construction:

Body: Made of ductile iron ASTM A536 grade 65-45-12 or grade 60-40-18, ensuring a robust structure with minimum shell thickness as per the standard.

Body Seat Ring: Constructed from stainless steel weld, micro-finished to provide a long service life.

Shaft Sealing System: Features multiple O-rings on the bearing bush and V shaft packing, forming a reliable sealing system.

Testing and Performance:

Pressure Test: Conforms to AWWA C504 with a leakage rate of Class A (zero leakage) in both directions. Each valve undergoes 100% testing before delivery to ensure optimal performance and reliability.

Additional Options for the AWWA C504 Butterfly Valve

When considering the AWWAC504 butterfly valve for your system, there are several additional options to enhance its functionality and versatility:

• Shaft Locking Device:
  This feature is particularly useful during equipment maintenance. It allows the valve to stay in either a fully closed or fully open position even when the valve operation mechanism is removed.

• Material Solutions:
  If you’re working on a sea water desalination project, you can opt for materials like aluminum bronze or nickel aluminum bronze for the body and disc, adhering to standards such asASTMB148 (C95400, C95500, C95800). Additionally, nickel-copper alloys likeMonelK500 are available for the shaft.

• Rubber Lining:
  An ebonite lining can be applied to the valve for enhanced durability and resistance to various types of wear and corrosion.

• Extended Bonnet:
  This option is available for applications that require additional thermal insulation or offer ease of maintenance in systems with thicker insulation layers.

The AWWA C504 butterfly valve offers several actuation options to cater to various operational needs:

1. Manual Operation:

• Handwheel: Ideal for straightforward, manual control.

• Chainwheel: Suitable for overhead or hard-to-reach valve positions.

2. Gearbox:

• Equipped with an ISO5210 top works, allowing compatibility with a wide range of electric actuators for automated control.

3. Electric Actuators:

• Provides precise and automated operation, reducing the need for manual intervention.

4. Hydraulic and Pneumatic Cylinders:

• Hydraulic Actuation: Uses pressurized fluid for reliable and powerful valve operation.

• Pneumatic Actuation: Utilizes compressed air for quick and efficient valve movement.

These diverse options ensure that the AWWA C504 butterfly valve can meet the specific requirements of different applications and environments.

Dimensions data (mm)