DN50 Quick Release Single Ball Air Vent Valve
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Product Highlights
- Dual Orifice Design: Enables continuous air discharge during normal operation and rapid gas release when needed.
- Self-Sealing Mechanism: Float ball automatically blocks exhaust nozzle when water fills the cavity to prevent leakage.
- Wide Material Options: Available in Brass, Stainless Steel, Grey Cast Iron, Ductile Iron, and Carbon Steel.
- Flexible Size Range: Nominal diameter covers DN20 to DN300mm to suit various pipeline requirements.
- High Pressure Resistance: Rated for PN10/PN16 working pressure with 1.5MPa body test suppression.
- Diverse Flange Standards: Compatible with BS4504, ISO2531, and ISO7005 flange dimensions.
- Comprehensive Certifications: Manufactured under ISO9001 standards and holds GS certification.
- 12 Months Warranty: Includes 12-month warranty coverage for mechanical defects and performance.
Product Attributes
- Customization
- Available
- Type
- Rapid Exhaust Valve
- Material
- Brass, Stainless Steel, Steel etc.
- Model NO.
- QB-10
- Certification
- ISO9001, GS
- Diamter
- DN20-300mm
- Medium
- Clean Water
- Temperature
- Normal Temperature
- Valve Body
- Gray Cast Iron Ht200
- Valve Body Test Suppression
- 1.5MPa
- Delivery Time
- 15-30 Work Days
- Warranty
- 12 Months
- Transport Package
- Wooden Case
- Origin
- Zhejiang
- HS Code
- 84818040
- Production Capacity
- 10000 Pieces/Year
Product Images of DN50 Quick Release Single Ball Air Vent Valve
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DN50 Quick Release Single Ball Air Vent Valve -
DN50 Quick Release Single Ball Air Vent Valve -
DN50 Quick Release Single Ball Air Vent Valve -
DN50 Quick Release Single Ball Air Vent Valve -
DN50 Quick Release Single Ball Air Vent Valve -
DN50 Quick Release Single Ball Air Vent Valve -
DN50 Quick Release Single Ball Air Vent Valve
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Product Description
DN50 Quick Release Single Ball Air Vent Valve
Introduction:
QB2 flange double orifice air vent valve When it is necessary to discharge the gas in the pipeline, the valve rod shall be rotated counterclockwise to make the valve rod and the valve rise, so that the air in the pipeline enters the body cavity under the pressure of water and is discharged from the exhaust nozzle. Then the water in the pipeline fills the body cavity, so that the floating ball moves upward under the buoyancy of water to block the exhaust nozzle, so as to achieve self sealing. The pipeline is in normal operation, Under the action of pressure, the air in the water is continuously discharged into the upper part of the body cavity of the air vent valve, forcing the float ball to descend and leave the original sealing position. At this time, the air is discharged from the exhaust nozzle, and then the float ball returns to its original position for self sealing. Therefore, the valve of the double orifice air vent valve is always open during normal operation, and the float ball keeps repeating the above actions. The air is continuously discharged. When it is necessary to repair or clean the body cavity, the valve should be closed.
The air vent valve is closed when the valve rod is rotated clockwise.
Main Specs and Dimensions:
|
Suitable Medium: |
water, gas |
|
Main Materials: |
grey iron, ductile iron, carbon steel, ss304/316 |
|
Working Temperature: |
≤80ºC |
|
Working Pressure: |
PN10/PN16 |
|
Nominal Diameter: |
DN50-DN300mm |
|
Flange Dimensions: |
BS4504 ISO2531,ISO7005 |
About the Supplier
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Company Profile
Chongqing Jinfa Industrial Equipment Sales Co., Ltd. Is located in Chongqing. Which is the among the largest industrial and commercial cities in southwest of China. We provided industrial machinery and marine equipment to overseas markets for several years, we have related factories resource to guarantee the good quality with competitive price for your projects. Rich experience can provide customers with valuable solutions.
Our mainly advantage products:
Industrial Filed: Industrial Fluid Coupling, Metallurgical Valves, Heat Exchanger, Hydraulic Power Equipments etc.,
Marine Filed: Marine Propeller, Marine Pump, Marine Electronics, Marine Genset etc.,
Water Sport: Banana Boat, Flyfish, Kayak, Float Docks etc.;
Professional sales:
Our sales are 24 hours online for your request.
We value every inquiry sent to us, to ensure provide a fast and competitive quote.
Punctual delivery time:
We arrange your order in a strict production plan, to keep inform customers understand the production process and ensure punctual delivery.
After-sales service:
We can provide installation guide service according to customer's requirement.
Enterprise Spirit: Customer concern are our pursuit, quality and service guide cooperation; Move forward step by step, and make progress with our partners together!
About Our Factory & Business Background
- Address
- No. 56-9, Wangjiang Branch Road, Fengcheng Street, Changshou District, Chongqing, China
- Terms of Payment
- LC, T/T, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Shanghai/Ningbo/Qingdao/Chongqing
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2020-05-19
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the working temperature range?
- The valve is designed for a working temperature of up to 80 degrees Celsius.
- What materials are available for the valve body?
- We offer Grey Cast Iron, Ductile Iron, Carbon Steel, and Stainless Steel (SS304/316).
- What is the delivery time for this valve?
- Standard delivery takes 15-30 work days, with off-peak seasons potentially under 15 workdays.
- Does the valve support custom sizes?
- Yes, we provide custom diameters ranging from DN20mm to DN300mm.
- What is the warranty period?
- We provide a 12-month warranty for all our valves.
- What are the available payment terms?
- We accept LC, T/T, PayPal, Western Union, Money Gram, and small-amount payments.
- Which flange standards are supported?
- The valve supports BS4504, ISO2531, and ISO7005 flange dimensions.
- What is the maximum working pressure?
- The valve operates at PN10 or PN16 working pressure levels.
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