Kweng Sealless Magnetic Drive Pumps—API 685 are specifically designed for the safe handling and processing of hazardous and valuable hydrocarbons and chemicals for refineries and chemical plants worldwide.
The Kweng Sealless Magnetic Drive Pumps—API 685 is a heavy-duty, center-line-mounted process pump complying with API 685 (API 610) applications for sealless pumps.
A range of synchronous magnet drives is offered with the pump range, which are rated to match prime mover performance.
Kweng Sealless Magnetic Drive Pumps—API 685 fall into the following category:
API :The API Series Sealless Magnetic Drive Pumps are designed to cater to the oil, gas, petroleum, and heavy chemical industries, conforming to the API 685 Standard for sealless magnetic drive pumps and relevant API 610 requirements.
Material of Construction :
Standard
Standard: The A-8 and S-5 models come with spiral-wound gaskets and silicon carbide internal bearings.
Other material options are available on request.
Duplex Stainless Steel, Alloy 20, and Alloy C276
Various flange options are available as standard.
Applications:
Typically, the Kweng Sealless Magnetic Drive Pumps—API 685 range is used in toxic, aggressive, hot, crystallizing, and high-value processes for hydrocarbon processing, sour water, sulfuric acid, xylene, toluene, etc.
Maximum Flow
up to 405 m3/hr ( 1784 GPM)
Maximum Head
up to 140 M (460 FT)
Liquid Temperature
-80 °C to + 350°C (-110°F to +660°F)
Maximum Power
up to 200 HP
System Pressures
up to 185 Bar.g (2700 psig)
Speeds
up to 3600 rpm
Impeller
Closed
Bearings
SSiC, ‘ENDRY’ SSiC opt. for Upset or Dry-run Conditio
Connections
150lb RF std. to 1500lb RF ANSI Flanges
Magnets
Samarium Cobalt
Motor
NEMA or IEC Frame Mounted
Mounting
Close Coupled OR Open Coupled
Steam Jackets
Optional
External Flush
Optional
Recirculated Flush & Vent
Optional
Secondary Containment
Optional
Cyclone Seperator
Optional for Improved Solids Handling
Performance Curves (Kweng Sealless Magnetic Drive Pumps - API 685)