PD-1 type, replacement product of John Crane 1 type, Rubber bellows type mechanical seal.
Suggested operating limits
Temperature: -30 ～200℃
Speed: ≤13m/s
Pressure: ≤2.8Mpa
Combined material
Rotary Ring (Carbon/SiC/TC)
Stationary Ring (Ceramic/SiC/TC/SUS304)
Secondary Ring (NBR/EPDM/VITON)
Spring & Other Parts (SUS304/SUS316)
| Model (Model) |
Size (Inch) |
Shaft d₁ (mm) |
Rotary OD d₃ (mm) |
Seat OD d₇ (mm) |
Operating Length l₁ (mm) |
Seat Thickness l₃ (mm) |
|---|---|---|---|---|---|---|
| T1-1" | 1" | 25.400 | 38.1 | 41.275 | 50.77 | 11.1 |
| T1-1 1/8" | 1 1/8" | 28.575 | 41.5 | 44.450 | 52.40 | 11.1 |
| T1-1 1/4" | 1 1/4" | 31.750 | 46.0 | 47.625 | 52.40 | 11.1 |
| T1-1 3/8" | 1 3/8" | 34.925 | 47.6 | 50.800 | 53.90 | 11.1 |
| T1-1 7/16" | 1 7/16" | 36.500 | 50.8 | 53.975 | 53.90 | 11.1 |
| T1-1 1/2" | 1 1/2" | 38.100 | 50.8 | 53.975 | 53.90 | 11.1 |
| T1-1 5/8" | 1 5/8" | 41.275 | 57.2 | 60.325 | 63.50 | 12.7 |
| T1-1 3/4" | 1 3/4" | 44.450 | 60.5 | 63.500 | 63.50 | 12.7 |
| T1-1 7/8" | 1 7/8" | 47.625 | 63.5 | 66.675 | 66.70 | 12.7 |
| T1-2" | 2" | 50.800 | 66.7 | 69.850 | 66.70 | 12.7 |
| T1-2 1/8" | 2 1/8" | 53.975 | 71.4 | 76.200 | 74.60 | 14.3 |
| T1-2 1/4" | 2 1/4" | 57.150 | 74.6 | 79.375 | 74.60 | 14.3 |
| T1-2 3/8" | 2 3/8" | 60.325 | 77.8 | 82.550 | 77.80 | 14.3 |
| T1-2 1/2" | 2 1/2" | 63.500 | 81.0 | 85.725 | 77.80 | 14.3 |
| T1-2 5/8" | 2 5/8" | 66.675 | 85.7 | 85.725 | 85.75 | 15.9 |
| T1-2 3/4" | 2 3/4" | 69.850 | 88.9 | 88.900 | 85.75 | 15.9 |
| T1-2 7/8" | 2 7/8" | 73.025 | 92.0 | 95.250 | 88.90 | 15.9 |
| T1-3" | 3" | 76.200 | 95.2 | 98.425 | 88.90 | 15.9 |
| T1-3 1/2" | 3 1/2" | 88.9 | 111.1 | 111.1 | 99.18 | 19.8 |