Durable Metal Bellow Seals for Johncrane SRS-502 Pump Applications
Zhangjiagangshi Siriseal Mechanical Seal Co., Ltd.
Jiangsu, China
Last Login Date:
Aug 01, 2025
Main Products:
Mechanical Seals, Pump Seals, Bellow Seals, Component Seals, Cartridge Seals, Agitator Seals, Oil Seal, Silicon Seal, Water Seal
Product Description
Company Info
Basic Info.
Product Description
Suggested Operating Limits
Temperature: -20 - 120ºC
Speed: ≤15m/s
Pressure: ≤2.5Mpa
Combined Material
Rotary Face: Carbon/Sic/TC
Stationary Ring: Ceramic/Sic/TC
Features
This full convolution elastomeric bellows seal is meticulously designed to fit into confined spaces, including the DIN24960 standard.
Unitized construction ensures ease of installation and superb tolerance to shaft play and run-out.
Boasting a bi-directional and robust drive to the seal face, it effectively eliminates stresses on the bellows.
Available in a comprehensive range of metric sizes from 14mm to 100mm, catering to diverse applications.
Recommended Applications
Process Pumps
Other Rotating Equipment
The Type 502 mechanical seal stands as one of the premier elastomeric bellows seals in the market. Ideal for general service, it excels in a wide array of hot water and mild chemical applications. Specifically engineered for confined spaces and limited gland lengths.
Additionally, we offer custom manufacturing of seals according to your sample or drawing, and can design solutions tailored to your specific requirements.
| SIZ/METRIC | D3 | D6 | D7 | L3 | L4 | L8 |
| d | ||||||
| 14 | 24.0 | 21.0 | 25.0 | 23.0 | 12.0 | 12.8 |
| 16 | 26.0 | 23.0 | 27.0 | 23.0 | 12.0 | 12.8 |
| 18 | 32.0 | 27.0 | 33.0 | 24.0 | 13.5 | 14.5 |
| 20 | 34.0 | 29.0 | 35.0 | 24.0 | 13.5 | 14.5 |
| 22 | 36.0 | 31.0 | 37.0 | 24.0 | 13.5 | 14.5 |
| 24 | 38.0 | 33.0 | 39.0 | 26.7 | 13.3 | 14.3 |
| 25 | 39.0 | 34.0 | 40.0 | 27.0 | 13.0 | 14.0 |
| 28 | 42.0 | 37.0 | 43.0 | 30.0 | 12.5 | 13.5 |
| 30 | 44.0 | 39.0 | 45.0 | 30.5 | 12.0 | 13.0 |
| 32 | 46.0 | 42.0 | 48.0 | 30.5 | 12.0 | 13.0 |
| 33 | 47.0 | 42.0 | 48.0 | 30.5 | 12.0 | 13.0 |
| 35 | 49.0 | 44.0 | 50.0 | 30.5 | 12.0 | 13.0 |
| 38 | 54.0 | 49.0 | 56.0 | 32.0 | 13.0 | 14.0 |
| 40 | 56.0 | 51.0 | 58.0 | 32.0 | 13.0 | 14.0 |
| 43 | 59.0 | 54.0 | 61.0 | 32.0 | 13.0 | 14.0 |
| 45 | 61.0 | 56.0 | 63.0 | 32.0 | 13.0 | 14.0 |
| 48 | 64.0 | 59.0 | 66.0 | 32.0 | 13.0 | 14.0 |
| 50 | 66.0 | 62.0 | 70.0 | 34.0 | 13.5 | 14.5 |
| 53 | 69.0 | 65.0 | 73.0 | 34.0 | 13.5 | 14.5 |
| 55 | 71.0 | 67.0 | 75.0 | 34.0 | 13.5 | 14.5 |
| 58 | 78.0 | 70.0 | 78.0 | 39.0 | 13.5 | 14.2 |
| 60 | 80.0 | 72.0 | 80.0 | 39.0 | 13.5 | 14.2 |
| 63 | 83.0 | 75.0 | 83.0 | 39.0 | 13.5 | 14.2 |
| 65 | 85.0 | 77.0 | 85.0 | 39.0 | 13.5 | 14.2 |
| 68 | 88.0 | 81.0 | 90.0 | 39.0 | 13.5 | 14.2 |
| 70 | 89.0 | 83.0 | 92.0 | 45.5 | 14.5 | 15.2 |
| 75 | 96.0 | 88.0 | 97.0 | 45.5 | 14.5 | 15.2 |
| 80 | 104.0 | 95.0 | 105.0 | 45.0 | 14.5 | 15.7 |
| 85 | 108.0 | 100.0 | 110.0 | 45.0 | 15.0 | 15.7 |
| 90 | 114.0 | 105.0 | 115.0 | 50.0 | 15.0 | 15.7 |
| 95 | 118.0 | 110.0 | 120.0 | 50.0 | 15.0 | 15.7 |
| 100 | 124.0 | 115.0 | 125.0 | 50.0 | 15.0 | 15.7 |
