OEM Ball Valve - High Quality, Made in China
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Product Details
| Customization: | Available |
|---|---|
| Media: | Water |
| Material: | DI/ Stainless Steel |
Diamond Member Since 2014
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Address
No. 11666, East Taihu Avenue, Wujiang District, Suzhou, Jiangsu, China
International Commercial Terms(Incoterms)
FOB, CFR, CIF, EXW
Terms of Payment
LC, T/T, Western Union, Money Gram
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Basic Info.
- Model NO.
- QFBV
- Connection Form
- Flange
- Driving Mode
- electrical/pneumatic
- Nominal Pressure
- PN10/PN16/PN25
- Channel
- Straight Through Type
- Structure
- Floating Ball Valve
- Type
- Floating Ball Valve
- Function
- Bypass-Valve
- Temperature
- Low Temperature
- Standard
- DIN 3357
- Application
- Industrial Usage, Water Industrial Usage, Household Usage
- Transport Package
- Wodden Box
- Specification
- 50*50*50
- Trademark
- OEM
- Origin
- China
- Production Capacity
- 5000pieces/Year
Product Description
Flange Ball Valve
QFBV Series
QFBV Series
Introducing the WALTER QFBV Model Flange Ball Valve, a masterfully engineered, full bore quarter turn valve designed for robust on/off applications. This versatile valve can be operated manually or automatically, either through electric or pneumatic means. Its thoughtful two-piece construction ensures simple maintenance and durability over an extended working life, making it the ideal choice for rigorous industrial applications and utility services. A range of seating options and diverse body materials make it exceptionally adaptable, allowing it to excel across various industrial applications.
Application Range
• Pump Stations
• Water Supply Systems
• Water treatment and distribution systems
• Tanks
• Power Station Cooling Lines
Testing
▪ Body Strength Test: Rigorously tested to BS EN 12266-1 standards at 1.5 times PN for uncompromising reliability.
▪ Seat Tightness Test: Conducted in accordance with BS EN 12266-1, ensuring a 1.1 times PN for assured tightness.
ISO 5208 Rate A
▪ Pressure Testing: Performed to the stringent standards of BS EN ISO 5208, guaranteeing robustness.
Technical Data
| Size range | DN32-DN250 |
| Pressure range | PN10-16-25 |
| Temperature | EPDM -10ºC to +80ºC / NBR -10ºC to +60ºC |
| Design | DIN 3357 |
| Face to face | DIN 3202 F4/F5 |
| Flange drilling | EN 1092-2 / ISO 7005-2 |
| Coating | Thermoplastic Powder Epoxy |
| Testing | EN 12266-1 |
| Marking | EN 19 |
| Coating Blue Color | RAL 5005 |
| RAL 5010 | |
| RAL 5015 | |
| Custom made |
Features
• Crafted from two-piece ductile iron, the full bore design ensures optimal flow and performance.
• Incorporates a floating seat, spherical seat, and floating ball with adaptive sealing. Its fireproof design extends its utility to fire protection piping systems. protection pipes.
• The symmetric valve seat design ensures non-directional operation, installation, sealing, and pressure handling.
• A wear-resistant bushing on the valve stem guarantees low torque operation and longevity. The self-tightening upper seal design ensures leak-proof performance under high pressure.
• The upper flange conforms to the ISO5211 standard for universal adaptability.
• The ball undergoes solution treatment or hard chrome plating, ensuring material stability and surface durability, thus enhancing sealing efficiency and product longevity.
• A handle with a positioning lock design facilitates easy and secure installation.
Material Specification
| No. | Part Name | Material | Standard |
| 1 | Body | Ductile Iron | EN GJS 500-7 |
| 2 | Bonnet | Ductile Iron | EN GJS 500-7 |
| 3. | Ball | Stainless Steel | SS 304 |
| 4 | Stem | Stainless Steel | SS 304 |
| 5 | Packing | Rubber | PTFE |
| 6 | Hand lever | Ductile Iron | EN GJS 500-7 |
Dimension PN10/16(mm)
| INCH | DN | L | D | D1 | b | n-φd | |
| PN10 | PN16 | ||||||
| 1-1/4" | 32 | 130 | 140 | 100 | 19 | 4-φ19 | |
| 1.5" | 40 | 140 | 150 | 110 | 19 | 4-φ19 | |
| 2" | 50 | 150 | 165 | 125 | 19 | 4-φ19 | |
| 2.5" | 65 | 170 | 185 | 145 | 19 | 4-φ19 | |
| 3" | 80 | 180 | 200 | 160 | 19 | 8-φ19 | |
| 4" | 100 | 190 | 220 | 180 | 19 | 8-φ19 | |
| 5" | 125 | 325 | 250 | 210 | 19 | 8-φ19 | |
| 6" | 150 | 350 | 285 | 240 | 19 | 8-φ23 | |
| 8" | 200 | 400 | 340 | 295 | 22 | 8-φ23 | 12-φ23 |
| 10" | 250 | 450 | 405 | 355 | 24 | 12-φ23 | 12-φ27 |
ABOUT US
Suzhou Walter Flow Control Equipment Co., Ltd. stands as a premier manufacturer in the water system valve sector. We are specialists in OEM production, offering a comprehensive range of valves including sluice valves, gate valves, flange butterfly valves, check valves, strainers, pressure reducing valves, fire hydrants, and more, all adhering to international valve standards and specifications. Select products hold FM/UL Certification. At Walter, we prioritize the consumer experience by providing insightful advice and tailored fluid control solutions. We also accommodate custom designs and special requirements.
We eagerly await your inquiries and consultation!
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