High-Quality Air Vacuum & Release Valve for Water Pipeline Systems
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Product Highlights
- Customizable Color Options: Available in RAL5005, RAL5010, RAL5015, or fully customized colors.
- Wide Pressure Range: Supports PN10-16-25-40 and Class125-150-250 with max pressure 40 bar.
- Dual Material Construction: Ductile Iron (DN50-300) and Stainless Steel (DN50-200) options available.
- Automatic Operation: Automatically vents trapped air and allows air re-entry for system protection.
- Comprehensive Standards Compliance: Designed per EN 1074-4, AWWA C-512, EN 1092-2, and ANSI standards.
- Advanced Float Design: Cylindrical floats with golden ratio design for accurate guiding and function.
- Insect Protection Standard: Includes flat venting screen in stainless steel to prevent insect entry.
- Easy Maintenance Access: Float replacement from three to two floats can be performed easily from the top.
Product Attributes
- Customization
- Available
- Pressure Range
- PN10-16-25-40 Class125-150-250
- Temperature
- -10~80C
- Model NO.
- AV4F3F/AV3F2F
- Design
- EN 1074-4 / AWWA C-512
- Operation
- Automatic
- Flange drilling
- EN 1092-2 or ANSI
- Coating
- Thermoplastic Powder Epoxy
- Testing
- EN 12266-1
- Marking
- EN 19
- Color
- RAL5005/5010/5015/Customized
- Transport Package
- Wooden Box
- Specification
- DN50-300
- Origin
- China
- Production Capacity
- 500000pies/Year
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
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High-Quality Air Vacuum & Release Valve for Water Pipeline Systems -
High-Quality Air Vacuum & Release Valve for Water Pipeline Systems -
High-Quality Air Vacuum & Release Valve for Water Pipeline Systems -
High-Quality Air Vacuum & Release Valve for Water Pipeline Systems -
High-Quality Air Vacuum & Release Valve for Water Pipeline Systems -
High-Quality Air Vacuum & Release Valve for Water Pipeline Systems -
High-Quality Air Vacuum & Release Valve for Water Pipeline Systems
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Product Description
Combined Air Vacuum & Release Valve
Combined Air Vacuum & Release Valves auto-matically vent trapped air from the pipeline. They also allow large amounts of air to reenter the line in the event of a rapid, large scale fluid discharge. Air Vacuum & Release Valves are essential for pipeline efficiency and water hammer protection.
The best way to protect your piping system from these negative conditions is to utilize ourair valves in the locations most likely to experience air or vacuum build-up: high-points in the pipeline, adjacent to pumps, in long pipe runs and at deep well installations.
Application Range
- Main transmission lines or Pump suction line
- Water treatment and distribution networks
- Irrigation system
- In general this model is used on changes in slope and at the high points of the pipeline.
Other Specification
- Automatic · Full bore desig
- Medium: Water
- Max. pressure 40 bar
- Min. pressure 0.2 bar. Lower on request·
- DN50 - 300 for Ductile Iron
- DN50 - 200 for Stainless Steel (CF8 / CF8M / Duplex
Features
- Single chamber with a golden ratio design to generate fantastic outline
- Full bore and reduced bore body in ductile iron and stainless steel, maximum PN 40 bar rated, provided with internal ribs for accurate guiding of the floats.
- Aerodynamic flow path of air discharge, air release and air entrance
- Tangential drainage to ensure fully drain
- Composed of cylindrical floats achieve miscellaneous functions
- Replacement between three floats and two floats can be easily performed from the top.
- Stainless steel plate under the bottom float to eliminate surged flow impact to the floats in short time.
- Nozzle can be different port size to fit for demands of different valve models
- Flat venting screen in stainless steel as a standard to prevent the entrance of insects, while umbrella venting screen as a premium.
For more details , please contact foctory freely !
Combined Air Vacuum & Release Valves auto-matically vent trapped air from the pipeline. They also allow large amounts of air to reenter the line in the event of a rapid, large scale fluid discharge. Air Vacuum & Release Valves are essential for pipeline efficiency and water hammer protection.
The best way to protect your piping system from these negative conditions is to utilize ourair valves in the locations most likely to experience air or vacuum build-up: high-points in the pipeline, adjacent to pumps, in long pipe runs and at deep well installations.
Application Range
- Main transmission lines or Pump suction line
- Water treatment and distribution networks
- Irrigation system
- In general this model is used on changes in slope and at the high points of the pipeline.
Other Specification
- Automatic · Full bore desig
- Medium: Water
- Max. pressure 40 bar
- Min. pressure 0.2 bar. Lower on request·
- DN50 - 300 for Ductile Iron
- DN50 - 200 for Stainless Steel (CF8 / CF8M / Duplex
Features
- Single chamber with a golden ratio design to generate fantastic outline
- Full bore and reduced bore body in ductile iron and stainless steel, maximum PN 40 bar rated, provided with internal ribs for accurate guiding of the floats.
- Aerodynamic flow path of air discharge, air release and air entrance
- Tangential drainage to ensure fully drain
- Composed of cylindrical floats achieve miscellaneous functions
- Replacement between three floats and two floats can be easily performed from the top.
- Stainless steel plate under the bottom float to eliminate surged flow impact to the floats in short time.
- Nozzle can be different port size to fit for demands of different valve models
- Flat venting screen in stainless steel as a standard to prevent the entrance of insects, while umbrella venting screen as a premium.
For more details , please contact foctory freely !
About the Supplier
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Company Profile
Suzhou Walter Flow Control Equipment Co., Ltd. Are a professional company specializing in fluid & firefighting equipment.
We do, and always will, fashion our long time business relationships from advanced technology, excellent quality and good service.
Walter Flow Control supplies products with FM, UL, CE and all other relevant certificates for use in Water Reticulation and Treatment Systems, Fire-fighting Projects, High Rise Buildings, the Oil, Gas and Chemical Industries etc.
Company Products:
Valves: Gate Valve, Butterfly Valve, Check Valve, Automatic Hydraulic Control Valve, Air Release Valve, Globe Valve, Ball Valve, Strainer, Pipeline products, etc.
Firefighting: Fire Sprinklers, Wet Alarm Check Valve, Deluge Valve, Water Flow Detector, Foam Extinguisher System, Gas Extinguisher System and Fire Hydrant System, Fire Hose, Fire Hose Reel, Fire Monitor, etc.
Standard & Certificates:
Walter products are design acc. To DIN, BS, ANSI, AWWA, EN, ISO, AS, API standard and relevant products can be provided with FM approval, UL listed, CE certificates.
Company Philosophy:
Processing every enquiry efficiently
Treating every order seriously
Serving every customer considerately
Choose us, reap success
About Our Factory & Business Background
- Address
- No. 11666, East Taihu Avenue, Wujiang District, Suzhou, Jiangsu, China
- Terms of Payment
- LC, T/T, Western Union, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, EXW
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- SHANGHAI
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2017-05-16
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the maximum pressure rating?
- The valve supports a maximum pressure of 40 bar, with a minimum of 0.2 bar.
- What materials are available for the valve body?
- Available in Ductile Iron (DN50-300) and Stainless Steel (CF8/CF8M/Duplex, DN50-200).
- Can the valve color be customized?
- Yes, colors include RAL5005, RAL5010, RAL5015, or fully customized options.
- What are the main applications for this valve?
- Used in main transmission lines, pump suction lines, water treatment, irrigation, and at pipeline high points.
- How is the valve operated?
- It operates automatically to vent trapped air and allow air re-entry during fluid discharge.
- What standards does the design follow?
- Design follows EN 1074-4, AWWA C-512, EN 1092-2, and ANSI standards.
- Is there protection against insects?
- Yes, a flat venting screen in stainless steel is standard to prevent insect entrance.
- What is the lead time for orders?
- Peak season lead time is one month; off-season lead time is within 15 workdays.
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