| SIZE | A | B* | W | D |
|---|---|---|---|---|
| mm | mm | mm | mm | mm |
| 20 | 215 | 105 | 155 | 20 |
| 25 | 215 | 105 | 155 | 25 |
| NO | DESCRIPTION | MATERIAL | BS REF NO. |
|---|---|---|---|
| 1 | BODY | DUCTILE IRON (420 / 12) | BS EN 1563 |
| 2 | FLOAT (BALL) | STAINLESS STEEL | BS EN 10088 |
| 3 | AIR RELEASE NUT | BRASS | BS 2872 / 2874 |
| 4 | PLATE | DUCTILE IRON (420 / 12) | BS EN 1563 |
| 5 | GASKET | EPDM RUBBER | BE SN 681 |
| 6 | COVER | DUCTILE IRON (420 / 12) | BS EN 1563 |
| 7 | BOLTS AND NUTS | MILD STEEL (HOT DIP GAL.) | BS 4190 (MS 740) |
| 8 | GATE VALVE | BRASS | BS 5154 |
| 9 | NIPPLE | GAL. IRON | BS 143 / 1256 |
