Powered by Made-in-China.com
Qb2 Flanged Ends Float Type Double Orifice Automatic Air Vent Valve
US$1.00
1 Piece
Product profile
Customization
AvailableTransport Package
Plywood CaseSpecification
ISO 9001Model NO.
GAQB2Trademark
Goole or othersOrigin
WenzhouProduction Capacity
10000PCS/YearKey features
Double Orifice Design: Releases air quickly during filling and automatically sucks in air to prevent pipeline vacuum damage.
High Efficiency: Improves water transmission efficiency by reducing resistant force and saving energy.
Durable Materials: Features stainless steel floating ball and stem for reliable, long-lasting performance.
Wide Compatibility: Suitable for water and sea water with nominal diameters from DN50 to DN300mm.
Flexible Flange Standards: Conforms to BS4504, ISO2531, ISO7005, DIN, BS, JIS, and ANSI standards.
Robust Pressure Rating: Supports nominal pressures of PN10/PN16 with shell pressure up to 300PSI.
Versatile Body Materials: Available in grey iron, ductile iron, or carbon steel for various industrial needs.
Temperature Resistance: Operates effectively at temperatures up to 80 degrees Celsius.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-07-09Nearest Port: Ningbo, ShanghaiAverage Response Time: ≤4.89hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, DDP, DAP
AI-Powered supplier vetting
SummaryThe supplier manufactures specialized equipment for oil refining and chemical production and also conducts hardware product manufacturing, research and development, sales, and related services. It reports ISO 9001 and ISO 14001 certification, two production lines, six to ten quality-control staff, and six to ten years of total R&D engineer experience. The supplier offers broad customization, OEM, and ODM services, with documented inspection, corrective-action, complaint-handling, and traceability procedures. Export experience is stated as 15 years, with 51%–70% of total sales from exports and self-operated import/export rights. However, it has no overseas agents or branches, warehouses, showrooms, or SDK availability; it also reports no new products in the past year and no valid manufacturing-capacity contract with related subcontractors. Customer cases are not specifically provided.
Supplier typeThe stated business scope includes manufacturing and sales of specialized equipment for oil refining and chemical production, hardware product manufacturing, hardware R&D, and ferrous metal casting. The company description also covers material purchasing, production, inspection, delivery, and after-sales service, indicating a manufacturer with integrated related operations.
CertificationsThe supplier reports holding ISO 9001 and ISO 14001 certifications. These are explicit certifications relevant to quality and environmental management systems.
After-Sales capabilityThe supplier states that its operations include after-sales service and has clear, followed procedures and records for handling customer complaints and corrective and preventive actions. However, it reports no overseas agents or branches and offers overseas services in zero countries, which limits directly evidenced overseas service coverage.
Production capacityThe supplier operates two production lines, maintains six to ten quality-control staff, has in-stock service capacity, and uses documented inspection, supplier assessment, corrective-action, complaint-handling, quality-assurance, and material-traceability procedures. Nevertheless, it reports no valid contract with associated subcontractors for manufacturing capacity, creating a documented weakness in subcontracting governance.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also provides OEM services for well-known brands and ODM services, demonstrating broad stated customization and manufacturing-design support.
Product Q&A
Q:What is the working principle of the QB2 valve?
A:
It uses a float ball to control a plug. Large air exhaust occurs when filling, small air release during normal flow, and automatic air suction when pressure drops to prevent pipeline damage.
Q:What media is this valve suitable for?
A:
It is suitable for pipelines where water or sea water is the medium.
Q:What are the available nominal diameters?
A:
The nominal diameter ranges from DN50 to DN300mm.
Q:What materials are used for the main parts?
A:
The body, gate, and cover can be grey iron, ductile iron, or carbon steel. The float and stem are made of stainless steel, and the sealing ring is rubber.
Q:What is the maximum operating temperature?
A:
The suitable temperature is up to 80 degrees Celsius.
Send Inquiry
*To:
Goole Valve technology Co., Ltd.
Goole Valve technology Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Cast Iron Automatic Double Orifice Air Release Valve
US$45.00
2 Pieces(MOQ)
Wcb Double Orifice Vacuum Breaker Air Release Valve (QB2)
US$32.00-40.00
1 Piece(MOQ)
3 Function Combined Type Double Orifice Vacuum Breaker Air Valve (FGP4X)
US$30.00-300.00
1 Piece(MOQ)
Stainless Steel Combination Type Double Orifice Air Release Valve
US$30.00-300.00
1 Piece(MOQ)
Double Orifice Air Release Valve (QB2) Two Port Suction Valve
US$32.00-40.00
1 Piece(MOQ)
Ductile Iron Flanged Double Ball Double Orifice Air Release Valve
US$9.90-1,999.00
10 Pieces(MOQ)
Single Ball Automatic Air Vent Valve
US$29.00
2 Pieces(MOQ)
Double Ball Double Hole Air Valve Flange Type Ductile Iron
US$9.90-1,999.00
10 Pieces(MOQ)
Double Orifice Air Valve with Intergrated Isolating Valve
US$6.00-500.00
15 Pieces(MOQ)
Air Valve Vent Valve Air Damper Flanged for Power Plant Air Damper
Negotiable
1 Piece(MOQ)
Ductile Iron Flanged Double Ball Air Valve for Efficient Release
US$9.90-1,999.00
10 Pieces(MOQ)
3 Way Flanged End Ball Valve T Type
US$25.00
1 Piece(MOQ)
3 Way Flanged End Ball Valve L Type
US$20.00
1 Piece(MOQ)
Fixed Ball Pn25 Worm Gear Reduced Bore Double-Flanged Type Fully Welded Ball Valve
US$100.00-200.00
1 Piece(MOQ)
Bmag OEM HVAC Automatic Brass Air Vent Valve for Plumbing
US$1.88-2.68
1,000 Pieces(MOQ)
Brass Automatic Air Vent Release Valves
US$1.50-3.00
3,000 Pieces(MOQ)
Air Valve Double Float Auto Release Valve
US$50.00-80.00
50 Sets(MOQ)
High Quality Circular Type Plastic Exhaust Air Vents Disc Valve (DV-VP)
US$1.01
100 Pieces(MOQ)
High Technology Best Quality Cheap Automatic Brass Air Vent Valve
US$2.90-3.00
3,000 Pieces(MOQ)



















