整机密封全库存现货与定制
品牌替换密封 · JOHN CRANE Replacement
Mechanical Seal TB687 replace John Crane 680
动环材质CAR,SIC,TC静环材质SIC,CER,TC弹性体NBR,EPDM,VIT
产品规格
| Temperature | -75℃-200℃ |
|---|---|
| Speed | ≦23m/s |
| Pressure | ≦2.1MPA |
| Stationary Seat | TBG9 |
| Rotary Ring Material | CAR/SIC/TC |
| Stationary Ring Material | CER/SIC/TC |
| O-Ring Material | VIT, Encasulated Ring, EPDM |
| Spring & Metal Parts | SUS304/SUS316 |
| Application | Clean Water，Sewage Water，Oil |
产品详情
Mechanical seal
Replacement to:
John Crane 680
Operational Conditions:
Temperature: -75℃ to +200℃
Pressure: ≤2.1MPa
Speed: ≤23m/s
Materials:
Stationary Ring: Silicon Carbide, TC, Cer
Rotary Ring: Silicon Carbide, Car, TC
Secondary Seal: Expanded Graphite, VIT, EPDM
Spring and Metal Parts: SUS304,SUS316
Applications:
Clean water,
sewage water
oil and other moderately corrosive fluids
Stationary Seat:
Standard: TBG9
Product details
SIZE
| Size/ Metric | d | D3 | L1 | INCH | d | D3 | L1 | |
|---|---|---|---|---|---|---|---|---|
| 18 | 18 | 32.00 | 27.7 | 0.750 | 0.750 | 1.312 | 1.250 | |
| 20 | 20 | 33.30 | 27.7 | 0.875 | 0.875 | 1.437 | 1.250 | |
| 22 | 22 | 36.00 | 27.7 | 0.937 | 0.937 | 1.500 | 1.250 | |
| 24 | 24 | 38.10 | 30.2 | 1.000 | 1.000 | 1.562 | 1.250 | |
| 25 | 25 | 39.00 | 30.2 | 1.125 | 1.125 | 1.687 | 1.250 | |
| 28 | 28 | 42.00 | 32.7 | 1.250 | 1.250 | 1.812 | 1.312 | |
| 30 | 30 | 44.00 | 32.7 | 1.375 | 1.375 | 1.937 | 1.437 | |
| 32 | 32 | 46.00 | 32.7 | 1.500 | 1.500 | 2.063 | 1.437 | |
| 33 | 33 | 47.00 | 32.7 | 1.625 | 1.625 | 2.187 | 1.437 | |
| 35 | 35 | 49.20 | 32.7 | 1.750 | 1.750 | 2.312 | 1.437 | |
| 38 | 38 | 52.40 | 34.2 | 1.875 | 1.875 | 2.437 | 1.500 | |
| 40 | 40 | 55.60 | 34.2 | 2.000 | 2.000 | 2.562 | 1.500 | |
| 43 | 43 | 58.70 | 34.2 | 2.125 | 2.125 | 2.687 | 1.500 | |
| 45 | 45 | 58.70 | 34.2 | 2.250 | 2.250 | 2.812 | 1.562 | |
| 48 | 48 | 61.90 | 34.2 | 2.375 | 2.375 | 2.937 | 1.562 | |
| 50 | 50 | 65.10 | 34.7 | 2.500 | 2.500 | 3.187 | 1.562 | |
| 53 | 53 | 68.30 | 34.7 | 2.625 | 2.625 | 3.312 | 1.625 | |
| 55 | 55 | 71.00 | 34.7 | 2.750 | 2.750 | 3.437 | 1.625 | |
| 60 | 60 | 74.60 | 39.7 | 2.875 | 2.875 | 3.625 | 1.687 | |
| 65 | 65 | 84.10 | 39.7 | 3.000 | 3.000 | 3.750 | 1.687 | |
| 70 | 70 | 87.30 | 45.2 | 3.125 | 3.125 | 3.875 | 1.750 | |
| 75 | 75 | 95.30 | 45.2 | 3.250 | 3.250 | 4.000 | 1.750 | |
| 80 | 80 | 98.40 | 44.7 | 3.375 | 3.375 | 4.125 | 1.750 | |
| 85 | 85 | 104.80 | 44.7 | 3.500 | 3.500 | 4.250 | 1.875 | |
| 90 | 90 | 108.00 | 49.7 | 3.625 | 3.625 | 4.375 | 1.875 | |
| 95 | 95 | 114.30 | 49.7 | 3.750 | 3.750 | 4.500 | 1.875 | |
| 3.880 | 3.880 | 4.625 | 1.875 | |||||
| 4.000 | 4.000 | 4.750 | 1.875 |
