Multiple Spring Mechanical Seals-APM81
Features
- API 682 Category 2 and 3, Type A, Arrangement 1 seal
- Single seal
- Balanced
- Cartridge unit
- Stationary multiple springs
Typical Applications:
Designed for rotating equipment handling light hydrocarbons & high-pressure fluids in oil & gas, petrochemical and chemical industries.
- Refining technology
- Oil and gas industry
- Petrochemical industry
- Chemical industry
- Power plant technology
- CCUS
- Alternative fuels production
- Light volatile hydrocarbons
- LPG plants
- API 610 / ISO 13709 pumps
- Process pumps
Mediums:
Suitable for petroleum, chemical solutions, weak acids/alkalies, salts, refrigerants and fluids with low solids content.
Performance Capabilities:
Pressure: 0~ 6.0MPa
Temperature: -40 ~260°C
Linear Speed: ≤50 m/s
Material Selection:
Metallic Components:304、316L、2205、2507
Spring: 316L, Hastelloy C-276
Seal Rings: SSiC , WC、Graphite
Elastomer Options: FKM, FFKM, EPDM, NBR , OMNISEAL
This product can be an alternative to similar products such as EagleBurgmann LEK777.
-
Product Description:
Designed in accordance with API682,compliant with API 610 seal chamber dimensions. It is rated for a pressure of up to 6 MPa. It includes sleeve,rotating ring, stationary ring, auxiliary seals, compensation components,seal glad,throttle bushing,drive components.
Technical Features:
1.High-strength,High-performance seal materials for optimal performance.
2.Balanced design with precisely calculated face pressure ratio to reduce face load and minimize heat generation.
3.Stationary multi-spring design – minimizes centrifugal force impact on springs, maintaining stable spring and sealing performance
4.Fixed throttle bushing design maintains seal chamber pressure and minimizes leakage.
5.Large-cross-section sealing rings maintain floatability while enhancing sealing performance.
6.Highly reliable drive design effectively prevents slippage.
7.Complies with API 682 Standard, Category 2 & 3, Arrangement 1, Type A configuration.
Solution Selection:
Standard Flush Plans & Applications:
• General duty: Plan 11/12/13
• High-temperature: Plan 21
• Enhanced cooling: Plan 23 (with forced circulation)
• Solids/viscous media: Plan 32 (external flush)Proven Performance in Coal Chemical Industry Slurry Pumps.