整机密封全库存现货与定制
品牌替换密封 · JOHN CRANE Replacement
Mechanical Seal TB21/21T replace John Crane type 21 seal, Roten 21A seal
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 | -20℃-120℃ |
|---|---|
| Speed | ≦15m/s |
| Pressure | ≦1.0MPA |
| Stationary Seat | TBT11 |
| Rotary Ring Material | CAR/SIC/TC |
| Stationary Ring Material | CER/SIC/TC |
| O-Ring Material | VIT/NBR/EPDM |
| Spring & Metal Parts | SUS304/SUS316 |
| Application | Clean Water，Sewage Water，Oil |
| FOB port | ningbo |
| Terms of Payment | T/T |
产品详情
TB21/21T mechanical seal
Replacement to:
John Crane 21, Flowserve 110, Sealol 43CU short, LIDERING LRB01, Hermetica M112K.5SP, Burgmann MG921 / D1-G55, AESSEL P04T, AESSEL P04, Vulcan 11, US SEAL C, Roten 21A,
Operational Conditions:
Temperature: -20℃ to +120℃
Pressure: ≤1.0MPa
Speed: ≤15m/s
Materials:
Stationary Ring: Silicon Carbide, TC, Carbon
Rotary Ring: Silicon Carbide, Ceramic, TC
Secondary Seal: NBR, EPDM, Viton
Spring and Metal Parts: SUS304,SUS316
Applications:
Clean water,
sewage water
oil and other moderately corrosive fluids
Stationary Seat:
Standard: TBT11
Product details
SIZE
| Size/ Inch | d | D3 | D31 | D1 | L1 | L2 |
|---|---|---|---|---|---|---|
| 0.500 | 12.7 | 24.0 | 22.80 | 25.40 | 20.62 | 7.95 |
| 0.625 | 15.8 | 26.7 | 26.70 | 31.75 | 22.23 | 10.31 |
| 0.750 | 19.1 | 31.2 | 30.40 | 34.93 | 22.23 | 10.31 |
| 0.875 | 22.2 | 33.5 | 33.40 | 38.10 | 23.80 | 10.31 |
| 1.000 | 25.4 | 43.2 | 39.30 | 41.28 | 25.40 | 11.10 |
| 1.125 | 28.6 | 46.5 | 42.00 | 44.45 | 26.97 | 11.10 |
| 1.250 | 31.7 | 49.5 | 45.80 | 47.63 | 26.97 | 11.10 |
| 1.375 | 34.9 | 52.7 | 49.30 | 50.80 | 28.58 | 11.10 |
| 1.500 | 38.1 | 56.0 | 52.80 | 53.98 | 28.58 | 11.10 |
| 1.625 | 41.2 | 62.2 | 55.50 | 60.33 | 34.93 | 12.70 |
| 1.750 | 44.4 | 66.0 | 61.00 | 63.50 | 34.93 | 12.70 |
| 1.875 | 47.6 | 66.0 | 64.00 | 66.68 | 38.10 | 12.70 |
| 2.000 | 50.8 | 73.0 | 66.00 | 69.85 | 38.10 | 12.70 |
| 2.125 | 53.9 | 73.5 | 71.50 | 76.20 | 42.85 | 14.27 |
| 2.250 | 57.1 | 79.6 | 79.60 | 79.38 | 42.85 | 14.27 |
| 2.375 | 60.3 | 82.0 | 79.60 | 82.55 | 46.05 | 14.27 |
| 2.500 | 63.5 | 85.0 | 81.50 | 85.73 | 46.05 | 14.27 |
| 2.625 | 66.6 | 88.5 | 84.60 | 85.73 | 49.20 | 15.88 |
| 2.750 | 69.8 | 92.7 | 90.00 | 88.90 | 49.20 | 15.88 |
| 3.000 | 76.2 | 102.0 | 96.80 | 98.40 | 52.37 | 15.88 |
