PRODUCTS DETAILS
Home
>
Products
>
304/316L Stainless Steel Blind Flange – Corrosion-Resistant, Leak-Proof for Piping Sealing & Termination
Products
Contact Us
|
304/316L Stainless Steel Blind Flange – Corrosion-Resistant, Leak-Proof for Piping Sealing & Termination
| MOQ: | 100KGS |
| Price: | Negotation |
| Standard Packaging: | They are usually packed in conventional export wooden cases. |
| Delivery Period: | 2-10 work days |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Capacity: | 2000tons/per month |
Detail Information
Place of Origin
China
Brand Name
Yuhao
Certification
ISO, API, BV, CE ...
Model Number
Flanges
Material:
316, 316L, 304, 304L, Carbon
Application:
Connection, Decoration, Oil And Gas, Automative, Chemical, Water Treatment,
Flange Face Type:
RF (Raised Face)
Package:
Standard Seaworthy Packagel, Wooden Cases...
Connection:
Welding
Pressure:
PN6-PN500
Dimensions:
1/2”, 2”, 3”, 4”, 6”, 8”, Up To 24”
Place Of Origin:
Zhejiang
Highlight:
304 stainless steel blind flange
,316L stainless steel flange with warranty
,corrosion-resistant leak-proof pipe flange
Product Description
Stainless Steel Blind Flange Overview
High-performance sealing component designed for industrial piping termination and closure. Crafted from premium 304/316L stainless steel with robust solid structure, delivering exceptional leak-proof sealing, strong corrosion resistance and long-term durability across various industrial applications.
Key Features & Applications
- Specialized end cap for permanent and temporary piping sealing
- Ideal for closing pipeline openings during maintenance, pressure testing, or system shutdown
- Solid flat design creates tight seal with gaskets, preventing media leakage
- Protects piping systems from external contaminants
- Comprehensive range of sizes, pressure classes (150-2500), and surface finishes
- 304 stainless steel: General industrial scenarios (water treatment, HVAC, light manufacturing)
- 316L stainless steel: Enhanced corrosion resistance for harsh environments (chemical processing, marine engineering, oil & gas)
Technical Specifications
Compliance Standards
ANSI/ASME B16.5, DIN 2642, EN 1092-1
Available Surface Finishes
Pickled, passivated, polished
Product Dimensions
| DN | Pipe OD | Connection Size | Flange OD | Bolt Hole Circle | Flange Thickness (mm) | Flange ID A | Flange ID B |
|---|---|---|---|---|---|---|---|
| 10 | 17.2 | 14 | 90 | 60 | 14 | 18 | 15 |
| 15 | 21.3 | 18 | 95 | 65 | 14 | 22.5 | 19 |
| 20 | 26.9 | 25 | 105 | 75 | 16 | 27.5 | 26 |
| 25 | 33.7 | 32 | 115 | 85 | 16 | 34.5 | 33 |
| 32 | 42.4 | 38 | 140 | 100 | 18 | 43.5 | 39 |
| 40 | 48.3 | 45 | 150 | 110 | 18 | 49.5 | 46 |
| 50 | 60.3 | 57 | 165 | 125 | 19 | 61.5 | 59 |
| 65 | 76.1 | 76 | 185 | 145 | 20 | 77.5 | 78 |
| 80 | 88.9 | 89 | 200 | 160 | 20 | 90.5 | 91 |
| 100 | 114.3 | 108 | 220 | 180 | 22 | 116 | 110 |
| 125 | 139.7 | 133 | 250 | 210 | 22 | 143.5 | 135 |
| 150 | 168.3 | 159 | 285 | 240 | 24 | 170.5 | 161 |
| 200 | 219.1 | 219 | 340 | 295 | 24 | 221.5 | 222 |
| 250 | 273 | 273 | 395 | 350 | 26 | 276.5 | 276 |
| 300 | 323.9 | 325 | 445 | 400 | 26 | 328 | 328 |
| 350 | 355.6 | 377 | 505 | 460 | 28 | 360 | 381 |
| 400 | 406.4 | 426 | 565 | 515 | 32 | 411 | 430 |
| 450 | 457 | 480 | 615 | 565 | 36 | 462 | 485 |
| 500 | 508 | 530 | 670 | 620 | 38 | 513.5 | 535 |
| 600 | 610 | 630 | 780 | 725 | 42 | 616.5 | 636 |
Quality Assurance
Each stainless steel blind flange undergoes rigorous quality control inspections, including material composition testing, dimensional accuracy verification and surface defect screening, ensuring seamless integration with piping systems and reliable long-term sealing performance.
Product Images
Frequently Asked Questions
Q: What is your delivery time?
A: 1-7 days for small orders, 10-20 days for large orders.
Q: Are you a manufacturer or trading company?
A: We are both a manufacturer and trading company with over 12 years of export experience.
Q: What is your minimum order quantity?
A: MOQ varies by product. Please refer to the specific product detail page or contact us for clarification.
Q: Do you provide samples? Are they free?
A: Yes, we offer free samples but customers are responsible for freight costs.
Q: How long is your production lead time?
A: 5-10 days for in-stock items, 15-20 days for non-stock items (quantity dependent).
Customization & Support
We provide both standard and custom stainless steel blind flanges, supported by professional technical advice and competitive pricing, making us your trusted partner for all industrial piping sealing solutions.
Recommended Products
