ISO-QF (KF) Weld Ring Flange
![](https://ancorp.com/wp-content/uploads/2022/03/ISO-QF-Weld-Ring-Flange.jpg)
![](https://ancorp.com/wp-content/uploads/2022/03/ISO-QF-Weld-Ring-Flange.jpg)
![](https://ancorp.com/wp-content/uploads/2021/12/gqR2qqQI58Zz5UOrAFvU2bHFxPPSELecBwnLN6Vl.jpeg)
Weld ring flanges were created to offer a thin profile while still offering a weld preparation groove. This groove makes the flange self-aligning, offers greater weld joint strength, and provides aesthetic coverage of the weld joint and heat discoloration that can appear after welding.
Features
- High Vacuum Rated to 1×10-8 Torr
- Bakeable to 200°C
- Compatible with all ISO standard vacuum flanges and fittings
- Quick sealing and disassembly
- Internal Weld
- Self-aligning
- Designed to fit standard inch tubing O.D.’s
- Thinner design than standard socket weld flanges
Specifications
- Standard Material:
- 304L Stainless Steel
- 316 Stainless Steel
*Dimensions are in inches unless otherwise specified
Part ID | Reference Number | A | B | C | Bore Size | 3D CAD | Drawing | Unit Price | In Stock | Qty, Add To Cart | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Part ID | 4000077 | Reference Number | QF16-075-RF | A | 0.76 | B | 0.25 | C | 0.17 | Bore Size | 0.75 | 3D CAD | Login | Drawing | Login | Unit Price | $10.00 | 128 | |
Part ID | 4000078 | Reference Number | QF25-100-RF | A | 1.01 | B | 0.25 | C | 0.17 | Bore Size | 1 | 3D CAD | Login | Drawing | Login | Unit Price | $10.00 | 133 | |
Part ID | 4000079 | Reference Number | QF40-150-RF | A | 1.51 | B | 0.25 | C | 0.17 | Bore Size | 1.5 | 3D CAD | Login | Drawing | Login | Unit Price | $14.00 | 2364 | |
Part ID | 4000080 | Reference Number | QF50-200-RF | A | 2.01 | B | 0.25 | C | 0.17 | Bore Size | 2 | 3D CAD | Login | Drawing | Login | Unit Price | $21.00 | 1118 |