OPERATING LIMITS
Temperature: -30℃～ 200℃
Pressure: ≤2.8MPa
Speed: ≤13m/s
Equivalent to John crane type 2 with "N"
seat or "WM" seat also can be provided
● Stationary Ring(Carbon/SiC/TC)
● Rotary Ring(SiC/TC/Carbon)
● Secondary Seal(VITON/PTFE VITON)
● Spring & Other Parts(SUS304/SUS316)
| Size | d1 | d3 | d7 | L1 | L3 |
| 3/8" | 9.525 | 28 | 24.60 | 33.7 | 8.7 |
| 1/2" | 12.700 | 32 | 27.80 | 33.7 | 8.7 |
| 5/8" | 15.875 | 35 | 30.95 | 35.3 | 10.3 |
| 3/4" | 19.050 | 40 | 34.15 | 35.3 | 10.3 |
| 7/8" | 22.225 | 43 | 37.30 | 35.3 | 10.3 |
| 1" | 25.400 | 47 | 40.50 | 36.9 | 11.9 |
| 1 1/8" | 28.575 | 56 | 47.65 | 44.9 | 11.9 |
| 1 1/4" | 31.750 | 59 | 50.80 | 44.9 | 11.9 |
| 1 3/8" | 34.925 | 63 | 54.00 | 44.9 | 11.9 |
| 1 1/2" | 38.100 | 67 | 57.15 | 44.9 | 11.9 |
| 1 5/8" | 41.275 | 71 | 60.35 | 44.9 | 11.9 |
| 1 3/4" | 44.450 | 74 | 63.50 | 52.9 | 11.9 |
| 1 7/8" | 47.625 | 77 | 66.70 | 52.9 | 11.9 |
| 2" | 50.800 | 81 | 69.85 | 54.5 | 13.5 |
| 2 1/8" | 53.970 | 84 | 73.05 | 54.5 | 13.5 |
| 2 1/4" | 57.150 | 88 | 76.20 | 54.5 | 13.5 |
| 2 3/8" | 60.320 | 91 | 79.40 | 54.5 | 13.5 |
| 2 1/2" | 63.500 | 94 | 82.55 | 54.5 | 13.5 |
