Overview

Close-Coupled pumps brochure

Close-Coupled pumps brochure

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Watson-Marlow 521VI/REMC, 521F/REMC, 521P/REMC, 521FX/REMC: 0-2 bar IP55 pumps fitted with LoadSure low-pressure element pumpheads

521 close coupled pumps offer IP55 ingress protection for light industrial environments. They offer rugged, industrial pumping, with all the pumphead features of cased drives, but at the lowest whole-life cost.

 

 

 

 

521VI varmeca

 

 

 

521VI Varmeca close coupled drives bring 10:1 speed control, constant torque output and total reliability to the industrial environment. The drive offers 230V and 400V three-phase power options, plus 110V and 230V single-phase. 

 

 

521F521F Fixed speed drives are three-phase powered

 

 

 

521FX521FX Duplex fixed speed drives have twin pumpheads allowing two channel pumping

 

 

 

521P Pneumatic, variable speed drives offer 5:1 control ratio. They require a filtered and lubricated 7 bar air supply. An exhaust silencer is fitted and static build-up is prevented by earth bonding.521P

Control

  521F 521V 521P
Industry approved motors with 2 standard gearing speeds      
Supplied with free standing variable frequency drive (VFD)      
Speed start/stop forward/reverse keypad control with remote control features      
Speed control ratio    10:1  5:1
VFD input power 230/3/60, 460/3/60, 115/1/60 in either NEMA 1 or NEMA 4X      
Standard integral gearmotor 3 phase 230/460V 60Hz TEFC    
Optional 115/1/60      
Optional gearbox and NEMA C motor      
Optional explosion proof (XP) motor      
Four vane pneumatic motor with speed limiting    
Optional FDA approved white epoxy paint    •
Optional baseplate mounting    •  •

Performance

LoadSure® Element tubing flow rates, ml/min(gph)
Tube Material Speed 3.2mm 6.4mm
Marprene TM, Bioprene TM 6-57rpm 10-95(0.2-1.5) 40-380(0.6-6.0)
  23-227rpm 40-385(0.6-6.1) 155-1560(2.5-24.7)
Sta-Pure, Chem-Sure 6-57rpm 10-105(0.2-1.7) 40-400(0.6-6.3)
  23-227rpm 40-400(0.6-6.3) 155-1560(2.5-24.7)

Pumphead

REM LoadSure medium-pressure pumphead

 Elements are available in Bioprene TM, GORE STA-PURE PCS and GORE STA-PURE PFL with quick-release industrial connectors or world-standard ¾in PVDF sanitary connectors.

 

REL LoadSure low-pressure pumphead

 Elements are available in Bioprene TL, Pumpsil, GORE STA-PURE PCS and GORE STA-PURE PFL with quick-release industrial connectors or world-standard ¾in PVDF sanitary connectors.

 

REH LoadSure high-pressure pumphead

 Elements are available in Bioprene TH, Marprene TH and GORE STA-PURE PCS with quick-release industrial connectors or world-standard ¾in PVDF sanitary connectors.

 

R2 continuous tubing pumphead

 2.4mm wall tubing is avalable in five materials for almost any chemical requirement, in tube sizes from 0.5mm to 9.6mm internal diameter.

 

R continuous tubing pumphead

 1.6mm wall tubing is available in eight materials for almost any chemical requirement, in tube sizes from 0.5mm to 8.0mm internal diameter.

Drives

Close coupled drives offer rugged, industrial, quality pumping, with all the pumphead features of cased drives, but at the lowest possible whole life ownership cost.

Datasheet download

421 REM Close cup

Manual download

521F/REMC, 521P/REMC, 521VI/REMC, 521FX/REMC

521 Close Coupled

Tubing and hoses for your industry

  • Contact Us

    To order this product please contact us on:

    Tel: +1 978 658 6168 and Toll free +1 800 282-8823

    You can also send us an email or find your nearest distributor