Centrifugal Process Pump PCF Series
Centrifugal Process Pump PCF Series
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APPLICATION
The JEC PCF centrifugal pump is suitable for handling water. Condensate, oil some aggressive chemical products and other liquids mainly used in the following application:
- Water supply
- Irrigation
- Air conditioning
- Fire fighting
- Drainage
- Heating
- Chemical and petrochemical
- Sugar and alcohol industry
- Boiler feed
- Auxiliary circuits in refineries
- Auxiliary circuits in industry (Paper, Food, Synthetic Fibers, Others.)
DESIGN
Horizontal, single stage, end suction centrifugal pump dimensionally built to ISO 2858 and technical specification IS-ISO 5199. The back pull out design allows for easy maintenance and repair as the rotating element may be removed without disturbing the pipe work. Pump has wear rings as standard and lifting eye on bearing bracket.
DESIGNATION
Model / type - PCF
Discharge / diameter (mm) - 32
Nominal impeller diameter (mm) - 125
CONSTRUCTION
Horizontal single stage, end suction with vertical discharge. The "back pull out" design allows for the maintenance of the pump without disturbing the pipe work connected to the casing, or the pump alignment.
The pump is built to the dimensional and technical requirement of ISO 2858 and ISO 5199. Flanges are in accordance with ANSI B16.5, 150#SORF.
CASING
Self-venting horizontal volute casing with horizontal end suction and vertical discharge. The casing has supporting feet and is fitted with a wear ring. The suction nozzle includes a vane to reduce prerotation.
SHAFT
The shaft is of the dry type, with protection sleeve to prevent contact with the pumped liquid ( for packed gland only ). For standard mechanical seal models the shaft is in contact with the pumped liquid.
FLANGES
Drilling as per Ndl6 DIN 2533 (CIRF) DIN 2543 (Steel FF),
Optional: Available on request.
BEARING
Oil lubrication - Standard
Max. Pump temperature 150°C
The bearing arrangement consists of two deep groove ball bearings.
Constant level oiler is provided to ensure optimum oil level is maintained.
Grease lubrication - Optional
Max. Pump temperature 150°C
The use of grease as a bearing lubricant is available as an option.
Bearing are shielded and greased for life.
SHAFT SEAL
The shaft sealing is carried out by means of gland packing or by mechanical seal.
The standard mechanical seal is a single, unbalanced, elastomer bellows seal. The seal is self-aligning and automatic adjustment compensates for abnormal shaft end play, run out and primary seal wear.
The mechanical drive eliminates over-stressing of the elastomer bellows and the single coil spring placed in the field to minimize downtime.
Seal operating temperature - 30°C to +105°C
ACCESSORIES
DRIVE
The pump is only recommended for direct via a flexible spacer coupling. Spacer couplings enable utilization of the back pull out feature. Where belt drives are necessary a separate jack (intermediate) shaft with bearing to carry the belt loads may be
BASE PLATE
Base plates for electric drives are available in a variety of styles. Standard: fixed and grouted directly to the foundation Anti vibration: rigid base plate on rubber mounts.
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