304/316L Stainless Steel Blind Flange – Heavy-Duty Leak-Proof Sealing for Industrial Piping Systems
Price:
Negotation
MOQ:
100KGS
Delivery Time:
2-10 work days
Brand:
Yuhao
Product Description
304/316L Stainless Steel Blind Flange
Heavy-duty sealing component for industrial piping closure and isolation, offering superior leak-proof performance, corrosion resistance and durability for demanding industrial environments.
Product Overview
Stainless Steel Blind Flange is engineered for permanent and temporary sealing applications, ideal for closing pipelines during maintenance, pressure testing, shutdowns or isolation. The solid flat design forms a tight gasket seal, preventing leakage and shielding pipelines from external debris.
Key Features
- Manufactured from 304/316L stainless steel for optimal performance
- Sturdy solid construction with superior leak-proof capabilities
- Excellent corrosion resistance for demanding industrial environments
- Compliant with ANSI/ASME B16.5, DIN 2642, EN 1092-1 standards
- Available in various sizes, 150-2500 pressure classes and surface finishes
- Rigorous quality checks including material testing and dimensional verification
Material Specifications
304 Stainless Steel: Suitable for general industrial applications including water treatment, HVAC, and light manufacturing.
316L Stainless Steel: Enhanced corrosion resistance for harsh environments such as chemical processing, marine engineering, and oil & gas auxiliary pipelines.
316L Stainless Steel: Enhanced corrosion resistance for harsh environments such as chemical processing, marine engineering, and oil & gas auxiliary pipelines.
Technical Specifications
| DN | Pipe OD | Connection Size | Flange Thickness (mm) | Flange ID | Flange OD | Bolt Hole Circle Diameter |
|---|---|---|---|---|---|---|
| 10 | 17.2 | 14 | 14 | 15 | 90 | 60 |
| 15 | 21.3 | 18 | 14 | 19 | 95 | 65 |
| 20 | 26.9 | 25 | 16 | 26 | 105 | 75 |
| 25 | 33.7 | 32 | 16 | 33 | 115 | 85 |
| 32 | 42.4 | 38 | 18 | 39 | 140 | 100 |
| 40 | 48.3 | 45 | 18 | 46 | 150 | 110 |
| 50 | 60.3 | 57 | 19 | 59 | 165 | 125 |
| 65 | 76.1 | 76 | 20 | 78 | 185 | 145 |
| 80 | 88.9 | 89 | 20 | 91 | 200 | 160 |
| 100 | 114.3 | 108 | 22 | 110 | 220 | 180 |
| 125 | 139.7 | 133 | 22 | 135 | 250 | 210 |
| 150 | 168.3 | 159 | 24 | 161 | 285 | 240 |
| 200 | 219.1 | 219 | 24 | 222 | 340 | 295 |
| 250 | 273 | 273 | 26 | 276 | 395 | 350 |
| 300 | 323.9 | 325 | 26 | 328 | 445 | 400 |
| 350 | 355.6 | 377 | 28 | 381 | 505 | 460 |
| 400 | 406.4 | 426 | 32 | 430 | 565 | 515 |
| 450 | 457 | 480 | 36 | 485 | 615 | 565 |
| 500 | 508 | 530 | 38 | 535 | 670 | 620 |
| 600 | 610 | 630 | 42 | 636 | 780 | 725 |
Product Gallery
Frequently Asked Questions
What is your delivery time?
1-7 days for small orders, 10-20 days for large orders.
Are you a manufacturer or trading company?
We are both a manufacturer and trading company with over 12 years of export experience.
What is your minimum order quantity?
The MOQ varies by product. Please refer to the product detail page or contact us with the product link for specific information.
Do you provide samples? Are they free?
Yes, we provide samples free of charge, but customers are responsible for freight costs.
How long is your production lead time?
Generally 5-10 days for in-stock items, or 15-20 days for items not in stock, depending on quantity.
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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
Zhejiang Yuhao Stainless Steel Co., Ltd
Location
NO.81, LIUZHAI SECTION, LUODONG SOUTH ROAD, YONGZHONG STREET, LONGWAN DISTRICT, WENZHOU, CHINA
Contact Person
Department 1