DN250 High Performance Flange Double Offset Metal Seat Wafer Type Stainless Steel Hand Wheel Butterfly Valve
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Product Highlights
- Bubble-Tight Shutoff: Triple offset design with metal seat ensures zero leakage and no friction sealing.
- Customizable Materials: Disc and seat materials customizable including 1.4469, 2507, NBR, EPDM, PTFE, etc.
- Flexible Connection Options: Available in Wafer, Lugged, Flanged RF, Rtj, FF, and Butt Welded end connections.
- Wide Application Range: Suitable for gas, water, steam, chemical, petroleum, and marine industries.
- Easy Maintenance: Disc sealing can be replaced easily by loosening disc ring bolts to save costs.
- Fast Operation: Quarter-turn valve allows quick opening and closing with reliable sealing performance.
- Bi-Directional Pressure Seal: Designed to maintain a seal against pressure from both directions effectively.
- Multiple Actuator Choices: Supports Hand Lever, Gear Box, Electric Actuator, and Pneumatic Actuator options.
Product Attributes
- Customization
- Available
- Media
- Gas, Water, Steam
- Driving Mode
- Electric, Manual
- Connection Form
- Double Flange
- Structure
- Centre Sealing
- Seal Form
- Soft and Hard Sealing
- Valve Stem
- Normal
- Work Pressure
- High Pressure (10.0mpa< Pn <80.0mpa)
- Working Temperature
- Normal Temperature (-40°C<T<120°C)
- Material of Seal Surface
- Soft Weld
- Valve Body
- Casting
- Standard
- GOST, ANSI
- Application
- Industrial Usage, Water Industrial Usage, Household Usage, Marine, Gas, Petroleum, Chemical Industry
- Delivery Time
- 15-25 Days
- Disc Material
- Di/Nylon/1.4469/1.4529/Saf2205/2507/CF8/CF8m etc
- Seat Material
- NBR/EPDM/PTFE/Viton/Silicone etc
- Coating
- Customized
- End Standard
- Pn6/10/16/25/21/150lb/JIS5K/10K/As2129 Table D/E/F
- Materials
- Carbon Steel, Stainless Steel, Aluminum Bronze
- Shutoff Tightness
- Zero Leakage
- Operator
- Lever, Gear Operated
- End Connection
- Wafer, Lugged, Flanged RF, Rtj, FF
- Face to Face
- ASME B16.10
- Material
- Carbon Steel, Stainless Steel, Duplex Stainless St
- Transport Package
- Wooden Case
- Specification
- customized
- Trademark
- yoonad
- Origin
- China
- HS Code
- 8481804090
- Production Capacity
- 10000PCS/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.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of DN250 High Performance Flange Double Offset Metal Seat Wafer Type Stainless Steel Hand Wheel Butterfly Valve
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DN250 High Performance Flange Double Offset Metal Seat Wafer Type Stainless Steel Hand Wheel Butterfly Valve -
DN250 High Performance Flange Double Offset Metal Seat Wafer Type Stainless Steel Hand Wheel Butterfly Valve -
DN250 High Performance Flange Double Offset Metal Seat Wafer Type Stainless Steel Hand Wheel Butterfly Valve -
DN250 High Performance Flange Double Offset Metal Seat Wafer Type Stainless Steel Hand Wheel Butterfly Valve -
DN250 High Performance Flange Double Offset Metal Seat Wafer Type Stainless Steel Hand Wheel Butterfly Valve -
DN250 High Performance Flange Double Offset Metal Seat Wafer Type Stainless Steel Hand Wheel Butterfly Valve -
DN250 High Performance Flange Double Offset Metal Seat Wafer Type Stainless Steel Hand Wheel Butterfly Valve
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Product Description
Butt welded triple offset butterfly valve, This valve is also known as Triple Offset Butterfly Valve. The two offsets are the same as double offsets, and the third one is created by a geometrically designed seat surface. This designed seat and disc create a conical angle, which allows the disc to seal the seat with no friction and come in contact with the shut-off positions. This design in the metal seat provides a bubble-tight shutoff.
Wafer type butterfly valve fits with the help of studs. The studs go through pipe flanges and tighten the valve between two flanges. This type of valve is useful to prevent any backflow in the system. It is designed to keep a seal against bi-directional pressure.
The Lug type butterfly valve also connects in between the flange-ended pipeline. There are threaded inserts on both sides of the valve body. Both sides of the flange-ended pipe connect to these threaded inserts with two sets of bolts without nuts.
Flanged End Butterfly Valve, This type of valve, Valve has a Flanged body that matches the flanged end pipe and fits with the Nut and Bolts.
Butterfly valves are quarter-turn valves that are best used for the stop/start of media flow in pipelines. When the valve handle is turned 90°, it either opens or closes completely. Throttling can be a bit tough, but these valves can still be used for regulating purposes.
Butterfly valves are usually installed in a fully open position. This is because installing the valve in its closed position can cause difficulties with the seat and seal positions.
Butt Welded Butterfly Valves are applied to use in heating system, chemical, petroleum, natural gas, refining, energy, food and the role of regulating valve.
Applicable Standards:
Butterfly valve design according to ASME B16.34
Face to face ASME B16.10
End Flanges ASME B16.5/ASME B16.47
Butt Welding ends ASME B16.25
| Material | |
| Body | Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529) |
| Disc | Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529) |
| Stem/Shaft | SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel |
| Seat | 2Cr13, STL |
| Packing | Flexible Graphite, Fluoroplastics |
| Actuator | Hand Lever, Gear Box, Electric Actuator, Pneumatic Actuator |
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2442335". Items marked "
" are certified.
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Company Profile
YOONAD was found in 2013, covering an area of 82000 square meters and have more than 400
Employees, including more than 60 technical professionals.
YOONAD, a leading industrial valve manufacturing enterprise, is renowned for its exceptional product quality and top-notch customer service.
We specialize in the research, manufacturing, testing, and sales of valves. Our core product is the ball valve, butterfly valves, gate valves, globe valves, check valves, and have more valves which used in different applications. Our products find widespread applications in industries such as heating, petroleum, natural gas, chemical engineering, power generation, construction, water supply, and drainage, among others.
Nearly 80% of the company's products are exported to Europe, America, the Middle East, Southeast Asia and other parts of the world...
YOONAD, our mission is to provide advanced valve solutions to our customers. Quality is our foremost priority, and we ensure the excellence of each valve through advanced manufacturing techniques and rigorous quality control systems. Our dedicated technical team is readily available to support and provide comprehensive after-sales service to ensure the smooth installation and operation of our valves.
We look forward to establishing long-term collaborative relationships and meeting your valve needs and solutions.
About Our Factory & Business Background
- Address
- 137-2901 Qingyang Road, Liangxi District, Wuxi, Jiangsu, China
- Terms of Payment
- T/T, D/P, PayPal, Western Union
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA
- Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays - Nearest Port
- shanghai, ningbo
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2018-10-02
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the sealing mechanism of this valve?
- It uses a triple offset design where the disc creates a conical angle with the seat, allowing bubble-tight shutoff with no friction.
- What are the available end connection types?
- Options include Wafer, Lugged, Flanged RF, Rtj, FF, and Butt Welded ends, fitting various pipe standards.
- What is the delivery time for orders?
- The standard delivery time is 15-25 days, with peak and off-season lead times within 15 workdays.
- What payment terms are accepted?
- We accept T/T, D/P, PayPal, and Western Union for international transactions.
- Can the valve be used for throttling?
- Yes, although best used for stop/start, these valves can still be used for regulating purposes, though throttling may be tough.
- What standards does the valve comply with?
- The valve is designed according to ASME B16.34, ASME B16.10, ASME B16.5, ASME B16.47, and ASME B16.25.
- Is the coating customizable?
- Yes, the coating can be customized according to specific project requirements.
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