Mechanical seal john crane
Type 3648
API 682-qualified, Dual Pressurized Cartridge, Type “A” O-ring Pusher Seal
The Type 3648 is a high-performance, low-emission cartridge seal designed for maximum containment of hazardous fluids and light hydrocarbons. Its inboard seal is double-balanced to provide a positive seal with pressure from either direction. The outboard seal retains the barrier fluid using either an API Flush Plan 53 or 54. The Type 3648 seal can be utilized as a Type 2648 within specified limits (consult us for additional information).
Product Description Type 3648
Type 3648 – Category 2, Type A, Arrangement 3 dual pressurized cartridge seal. The inner seal is double-balanced to provide a positive seal with pressure from either direction. The outer seal contains the barrier fluid using an API Flush Plan 53 or 54.
Type 3648 – Category 3, Type A, Arrangement 3 dual pressurized cartridge seal provided with the appropriate documentation in accordance with API 682.
Performance Capabilities
• Temperature: -40°F to 500°F/-40°C to 260°C
• Pressure: up to 1000 psi(g)/69 bar(g) max.
• Speed: up to 5000 fpm/25 m/s
• Shaft size: 1.000″ to 4.500″/25mm to 120mm
Table Parameters Type 3648
| Temperature Limits | -40°F to 500°F/-40°C to 260°C
|
|---|---|
| Pressure Limits | 1000 psi(g)/69 bar(g)
|
| Speed Limits | 5000fpm/25m/s
|
Features Type 3648
- California Residents: PROPOSITION 65 WARNING
- Qualification-tested per API 682
- Complies with API 682 technical design requirements
- Standard materials, per API 682
- Fits API 682 Table 1 and 2 seal chambers
- Computer-optimized, low-emission seal face designs
Recommended Applications Type 3648
- Process pumps
- Other rotating equipment