Stainless Steel Blind Flange
►Product Description
Stainless Steel Threaded Screw Flange is a specialized piping component designed with integral threaded connections, enabling quick and secure assembly without welding. Crafted from high-grade stainless steel, this flange delivers exceptional corrosion resistance, making it ideal for applications in chemical processing, water treatment, oil & gas, food & beverage, and marine industries—especially where welding is impractical or restricted.
The standout advantage of our Stainless Steel Threaded Screw Flange lies in its hassle-free installation. The precision-machined threads ensure a tight, leak-proof fit with threaded pipes, reducing construction time and labor costs significantly. Unlike welded flanges, it requires no specialized welding equipment or skilled welders, making it perfect for on-site maintenance and emergency repairs.
Manufactured in strict compliance with international standards (ANSI, DIN, JIS), our threaded screw flanges guarantee dimensional accuracy and compatibility with standard threaded piping components. The stainless steel material provides robust resistance to rust, oxidation, acid, and alkali corrosion, ensuring long-term structural stability even in high-pressure and high-temperature environments. We offer a comprehensive range of specifications, including various thread sizes, diameters, and pressure ratings, to meet the diverse needs of commercial and industrial piping projects.
Strict quality control is implemented throughout the production process—from raw material selection to thread machining, surface finishing, and final inspection. Each flange undergoes rigorous testing to ensure thread precision, strength, and corrosion resistance. As an experienced manufacturer, we provide high-quality products at competitive prices, along with personalized technical support and customized solutions tailored to your specific project requirements.
Whether for new piping system installation or existing system upgrades, our Stainless Steel Threaded Screw Flange is a reliable choice for efficient, durable, and cost-effective connections. Choose us as your trusted partner to get premium threaded screw flanges and professional after-sales service.
►Product Size
| DN |
Pipe OD |
Connection Size |
Flange Thickness(mm) C |
Flagne ID |
| A |
B |
Flange OD |
Bolt Hole Circle Diameter |
A |
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 |
►Shot Shoot
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►FAQ
Q1: Delivery time?
A: 1- 7 days for small order.10- 20 days for big order.
Q2: Are you manufacturer or trading company?
A: We are not only manufacturer but also a trading company,we have more than 12years export experience.
Q3: What is your minimum order quantity?
A: The MOQ for each product is different, so it would be recommended to refer to the detail page of the product you are interested in. If you need further clarification, send me the product link, and I will reply as soon as possible.
Q4: Do you provide samples ? Is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q5: How long is your production lead time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.