Mechanical seal Delco
DM 75
Operating range Mechanical seal DM 75
- Temperature: 200 ° C | 40- degrees Celsius
- Pressure: 40 bar
- The O-ring material used in DM viton
- the material of fixed and movable plates is silicon carbide.
- The metals used in Delco products are made of stainless steel.
- Products of this type from size 10mm to 100mm are under production.
- The DM type is similar to the John crane 502 type.
Application Pump
- Petroleum and general fluids
Table of Mechanical seal descriptions DM 75
Code | ds | d1 | d2 | d3 | d4 | *L1K | L2 | L3 |
| 0750 | 75 | 95 | 99 | 87.5 | 97.1 | 63.5 | 45.5 | 18 |
Best Performance and working temperature condition for seal ring
| Material | F | C |
| Solid Tungsten carbide | 750 | 400 |
| Solid Carbon-graphite | 525 | 275 |
| Solid Reaction Bonded Silicon Carbide | 800 | 430 |
| Solid Sintered Silicon Carbide | 800 | 430 |
| Solid Antimony Impregnated Carbon Graphite | 700 | 370 |
| Solid Pure Ceramic (AI203) | 350 | 180 |
Material Availability DM Mechanical seal
| Bellows | P – E – V – A |
| Rotary Face | A – B – Q1 – Q2 – U3 |
| Stationary Face | U3 – V – V2 – Q1 – Q2 |
| Spring | G – M – F |
| Metal Part Set | G -F |
| Max Pressure | Up to 40 bar |
| Max Speed | Speed up to 13 m/s |
| Available Size | 9/16 to 4.00 / 14 mm to 100mm |
| Temperature Limite | -40 c to +205 c |