BS 4504 Stainless Steel Double Flange Concentric Butterfly Valve DN 50-600 with 3-Eccentric Metal Seal Design
Price:
＄35.1-76.2 per set
MOQ:
1 piece
Delivery Time:
1-7 day
Brand:
Liang He
Product Description
Product Overview
The BS 4504 stainless steel double flange concentric butterfly valve features a metal hard seal eccentric structure with multiple sealing configurations including metal-to-metal, replaceable metal seal, and stainless steel plate with graphite composite plate seals.
Key Features
- Excellent Sealing Performance: Three-eccentric sealing structure ensures minimal wear between valve seat and disc, providing tighter sealing under pressure. Stainless steel sealing ring combines metal hard seal durability with elastic seal advantages.
- Superior Wear Resistance: Disc sealing surface features cobalt-based cemented carbide overlay for extended service life.
- Wide Application Range: Suitable for bidirectional media flow with no installation direction limitations. Large-size discs use truss structure for high strength and minimal flow resistance.
Applications
- Water Supply & Drainage Systems: Water plants, power plants, steel mills, papermaking, chemical plants, and catering systems for on/off control and flow regulation.
- Industrial Pipelines: Power generation, petroleum, chemical processing, air, gas, and corrosive media applications for fluid regulation and shut-off functions.
Component Materials
| Part No. | Component | Material Options |
|---|---|---|
| 1 | Body | Cast iron, Ductile iron |
| 2 | Seat | NBR, EPDM |
| 3 | Shaft | Stainless Steel 316, 304 |
| 4 | Disc | Ductile iron+Ni, CF8, CF8M, Bronze |
| 5 | Pin | Stainless Steel |
| 6 | Bushing | PTFE, Bronze |
| 7 | O Ring | NBR, EPDM |
Technical Specifications
| Size (in) | DN | A (mm) | B (mm) | C (mm) | D (mm) | L (mm) |
|---|---|---|---|---|---|---|
| 2 | 50 | 120 | 83 | 108 | 52.9 | |
| 2-1/2 | 65 | 130 | 93 | 112 | 64.5 | |
| 3 | 80 | 145 | 100 | 114 | 78.8 | |
| 4 | 100 | 155 | 114 | 127 | 104 | |
| 5 | 125 | 170 | 125 | 140 | 123.3 | |
| 6 | 150 | 190 | 143 | 140 | 155.6 |
Product Images
Frequently Asked Questions
Are you a trading company or manufacturer?
We are a manufacturer and have our own factory.
Do you test all your goods before delivery?
Yes, all products are fully inspected before delivery.
Can I get free samples?
Yes, we can provide free samples, but customers need to cover delivery costs.
Can I have my own Logo on the product?
Yes, we can mark products with your company logo and provide OEM/ODM services.
Can you produce the products according to my own drawings?
Yes, we can manufacture products according to your technical drawings.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Henan Lianghe Pipeline Equipment Co.,Ltd
Location
Pipeline Industrial Park, Gongyi City, Henan Province, China
Contact Person
Kelly