U-Type Butterfly Valve
The BLAZE™ BT 1428 U-Type Butterfly Valve is designed for dependable and efficient shut-off and flow control in water, oil, and gas systems. Built in compliance with BS 5155, it combines highperformance sealing with robust construction. The U-Type body design ensures easy alignment and secure installation between pipeline flanges, while the ductile iron body offers superior strength and durability. With Fusion Bonded Epoxy (FBE) coating inside and out, it provides outstanding corrosion resistance for extended service life in demanding environments.
| DN(mm) | 150 | 200 | 225 | 250 | 300 | 350 | 375 | 400 | 450 | 500 | 550 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DN(inch) | 6 | 8 | 9 | 10 | 12 | 14 | 15 | 16 | 18 | 20 | 22 |
| A | 133 | 175 | 190 | 201 | 242 | 267 | 320 | 316 | 344 | 380 | 432 |
| B | 226 | 260 | 275 | 292 | 337 | 368 | 375 | 400 | 422 | 480 | 533 |
| C | 30 | 34 | 34 | 34 | 34 | 40 | 52 | 52 | 52 | 64 | 70 |
| L | 55 | 60 | 67 | 67 | 76 | 76 | 102 | 102 | 114 | 127 | 151 |
| DN(mm) | 600 | 650 | 700 | 750 | 800 | 850 | 900 | 1000 | 1050 | 1100 | 1200 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DN(inch) | 24 | 26 | 28 | 30 | 32 | 32 | 36 | 40 | 42 | 44 | 48 |
| A | 468 | 484 | 530 | 564 | 602 | 590 | 661 | 724 | 784 | 804 | 869 |
| B | 562 | 540 | 626 | 660 | 666 | 695 | 722 | 806 | 865 | 820 | 938 |
| C | 70 | 70 | 95 | 95 | 95 | 95 | 130 | 130 | 150 | 150 | 150 |
| L | 151 | 172 | 165 | 167 | 188 | 190 | 203 | 216 | 251 | 253 | 276 |
- Municipal water supply and distribution
- Oil and gas pipelines
- Wastewater treatment systems
- Industrial fluid handling
- Power plants and cooling systems
- Irrigation and agricultural water networks
- Marine and offshore installations
Description
- U-Type Body Design – Ensures easy installation and proper flange alignment.
- High Strength – Ductile iron body for enhanced durability and impact resistance.
- Excellent Corrosion Protection – Internal and external FBE coating (RAL 5015).
- Versatile Sealing – EPDM or NBR seat to suit temperature and media requirements.
- Reliable Performance – Complies with BS 5155 for sealing integrity.
- Multiple Flange Standards – Available in PN16 and ANSI drilling.
Additional information
| Design Standard | BS 5155 |
|---|---|
| Working Pressure | 16 bar / 25 bar |
| Flange Options | PN16, ANSI |
| Coating | Internal & External Blue (RAL 5015), |
| Body Material | Ductile Iron |
| Model Number | BT 1428 |
| Size Range | 6" to 48" (150 mm to 1200 mm) |
| Body Type | U-Type |
| Working Temperature | EPDM Seat: -20°C to 110°C |
| Testing Pressure | Shell: 24 bar / 37.5 bar |
