
Flat Seat Male & Female Union
Flat seat union with one male and one female end (figure 331), which breaks the line for maintenance and still screws straight into the next fitting. Available in 7 sizes, from 3/8" to 2". BSP thread, to ABNT NBR 6943, ISO 49 and EN 10242, the standards for threaded malleable cast iron fittings. Working pressure of 25 bar (360 psi) up to 120 °C and 20 bar (290 psi) up to 300 °C, with a test pressure of 100 bar.
Sold by quotation. State quantity and size for a quick reply.
Technical specifications
| Code | Description | Thread | Figure |
| 1267003 | FLAT SEAT UNION, MALE AND FEMALE 3/8″ | BSP | 331 |
| 1267004 | FLAT SEAT UNION, MALE AND FEMALE 1/2″ | BSP | 331 |
| 1267006 | FLAT SEAT UNION, MALE AND FEMALE 3/4″ | BSP | 331 |
| 1267007 | FLAT SEAT UNION, MALE AND FEMALE 1″ | BSP | 331 |
| 1267008 | FLAT SEAT UNION, MALE AND FEMALE 1.1/4″ | BSP | 331 |
| 1267009 | FLAT SEAT UNION, MALE AND FEMALE 1.1/2″ | BSP | 331 |
| 1267010 | FLAT SEAT UNION, MALE AND FEMALE 2″ | BSP | 331 |
| Diameter (in) | Diameter (mm) | A (mm) | S (mx) | S1 (mm) | Weight (g) |
| 3/8″ | 10mm | 58 | 32 | 20 | 104 |
| 1/2″ | 15mm | 66 | 41 | 25 | 202 |
| 3/4″ | 20mm | 72 | 50 | 32 | 344 |
| 1″ | 25mm | 80 | 55 | 39 | 464 |
| 1.1/4″ | 32mm | 90 | 70 | 49 | 751 |
| 1.1/2″ | 40mm | 95 | 75 | 55 | 895 |
| 2″ | 50mm | 106 | 90 | 69 | 1372 |
| Unit | Service up to 120 °C | Service up to 300 °C | Test (ambient) |
| lbf/pol² | 360 | 290 | 1500 |
| kgf/cm²(bar) | 25 | 20 | 100 |
| Unit conversion | Equivalent |
| 1 bar | 14,5 psi |
| 1 bar | 1 kgf/cm² |
| 1 bar | 0,1 MPa |
| 1 psi | 1 lbf/pol² |



