Knife Edge Gate Valve
Knife Edge Gate Valve Details
Mira Valves’ Knife Edge Gate Valves are expertly crafted for tough applications that involve abrasive slurries, thick fluids, or solid materials. With a sharp-edged gate designed to slice through media for a secure seal, these valves ensure dependable shut-off and minimal wear. They’re ideal for sectors like mining, pulp and paper, and wastewater treatment, providing efficient flow control even in the most challenging environments.
Technical Specification
| Part No. | QTY | DESCRIPTION | MATERIAL |
| 1 | 1 | BODY | DCI / ASTM A 216 GR. WCB / CF8 / CF8M |
| 2 | 1 | DISC | A 240 / SS 304 / 316 |
| 3 | 1 | YOKE | ASTM A 216 GR. WCB |
| 4 | 1 | STEM | A276-410 |
| 5 | 1 | BODY SEAT RING | A240 / SS 304 / 316 |
| 6 | 1SET | PACKING | NONASBESTOS |
| 7 | 1 | PACKING GLAND | ASTM A 216 GR. WCB / CF8 / CF8M |
| 8 - 1 | GLAND BOLT | STEEL | |
| 8 - 2 | GLAND NUT | STEEL | |
| 9 - 1 | 4 | YOKE BOLT | STEEL |
| 9 - 2 | 4 | YOKE NUT | STEEL |
| 10 - 1 | 2 | DISC BOLT | A194-B8 |
| 10 - 2 | 2 | DISC NUT | A194-8 |
| 11 | 1 | YOKE SLEEVE | BRASS |
| 12 | 1 | THRUST WASHER | BRASS |
| 13 | 1 | HAND WHEEL | DUCTILE IRON |
| 14 | 1 | NAME PLATE | ALUMINIUM |
| 15 | 1 | LOCK WASHER | A240 / SS 304 / 316 |
| 16 | 1 | WHEEL NUT | STEEL |
| 17 | 2 | BOTTOM STOPPER | A240 / SS 304 / 316 |
| 18 | 2 | RIVET | ALUMINIUM |
| 19 | 1 | GREASE NIPPLE | ASS’Y |
| 20 | 1 | BEARING HOUSING | ASTM A 216 GR. WCB / CF8 / CF8M |
| 21 | 2 | THRUST BALL BEARING | ASS’Y |
| 22 | 1 | BEARING GLAND | ASTM A 216 GR. WCB / CF8 / CF8M |
| 23 - 1 | 4 | BEARING HOUSING BOLT | STEEL |
| 23 - 2 | 4 | BEARING HOUSING NUT | STEEL |
| 24 | 1 SET | BODY LINER | A240 / SS 304 / 316 |
| 25 | 1 | SEAT O- RING | NBR |
DIMENSION
| SIZE NB | L | ØD | ØG | ØC | N - NC P | TW(mm) -n T / in | T | ØC | H | L |
| 3 | 2.00 | 2.36 | 5.00 | 6.00 | 4- 5/8 | 18-(6) | 0.315 | 7.09 | 15.75 | 24 |
| 4 | 2.00 | 3.15 | 6.18 | 7.50 | 8- 5/8 | 18-(6) | 0.315 | 7.87 | 18.90 | 31 |
| 6 | 2.75 | 5.12 | 8.50 | 9.50 | 8- 3/4 | 20-(6) | 0.315 | 9.84 | 24.41 | 53 |
| 8 | 2.75 | 7.09 | 10.63 | 11.75 | 8- 3/4 | 22.2-(6) | 0.315 | 11.81 | 31.50 | 84 |
| 10 | 2.75 | 8.86 | 12.76 | 14.25 | 12- 7/8 | 25.4-(5) | 0.39 | 13.78 | 37.80 | 126 |
| 12 | 3.00 | 10.83 | 15.00 | 17.00 | 12- 7/8 | 25.4-(5) | 0.39 | 15.75 | 43.31 | 172 |
| 14 | 3.00 | 12.21 | 16.26 | 18.75 | 12 - 1 | 28.5-(4) | 0.47 | 17.72 | 48.82 | 221 |
| 16 | 3.50 | 13.98 | 18.50 | 21.25 | 16 - 1 | 30-(4) | 0.47 | 19.69 | 53.94 | 298 |
| 18 | 3.50 | 15.55 | 20.98 | 22.75 | 16 - 1 | 30-(4) | 0.47 | 19.69 | 60.24 | 364 |
| 20 | 4.50 | 17.52 | 22.99 | 25.00 | 16 - 1-1/8 | 35-(4) | 0.59 | 21.65 | 67.72 | 529 |
| 24 | 4.50 | 21.6 | 27.24 | 29.50 | 20 - 1-1/8 | 35-(4) | 0.59 | 21.65 | 79.13 | 717 |
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