Watson-Marlow Fluid Technology Group
Watson-Marlow - Model 500 Series -Close-Coupled Peristaltic Pump
Watson-Marlow 521VI/RELC, 521I/RELC, 521F/RELC, 521FX/RELC: 0 bar to 2 bar IP55 pumps fitted with LoadSure® low-pressure element pumpheads. 521 close-coupled pumps offer IP55 ingress protection for industrial environments. They offer rugged, industrial pumping, with all the pumphead features of cased drives, but at the lowest whole-life cost.
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- 520REL low-pressure LoadSure element pumphead features large swept volume with sprung rollers for high accuracy
- Chemically-resistant polyphenylene sulphide track and rotor, and stainless steel rollers and bearings
- Low rotational speeds significantly increase tube life and system reliability
- Clutched rotor for rapid, effortless tube loading
- Rugged, tool-unlockable guard
Pumphead options available as standard (others available on request):
- 520R and 520R2 pumpheads for continuous tubing
- 520REL, 520REM and 520REH pumpheads for tube elements (for low, medium and high pressures)
- 501RLCA and 501RL2CA ATEX pumpheads for continuous tubing
Drive options available:
- 521VI integral inverter
- 521F fixed speed
- 521FX duplex fixed speed
- 521I inverter controlled
- Flow rates up to 4,600 ml/min at 2 bar peak pressure with 520 LoadSure elements
- 520RELC pumphead features PPS (Polyphenylene Sulphide) track and rotor with stainless steel occlusion rollers to resist chemical attack and abrasive wear
- Heavy-duty pumphead construction with impact-proof safeguard
- Sprung rotor gently compresses tubing using large low friction rollers with sealed bearings, guaranteeing long tube life and accurate metering
- Fast and simple pumphead set-up using a clutched rotor for effortless element loading
- Max. flow rate: 4600 ml/min
- Min. flow rate : 2.6 ml/min
- Max. flow rate: 73 USGPH
- Min. flow rate: 0.04 USGPH
- Max. operating pressure: 7 bar
- Max. operating pressure: 100 psi
- Ambient Temperature Range: 5 °C to 40 °C
- Ambient Temperature Range: 41 °F to 104 °F
- Motor types: AC electric motor
- Min. operating speed: 60 rpm
- Max. operating speed: 291 rpm
- Standards: ATEX 2014/34/EU, ATEX II 2G Ex h IIB T4 Gb X, CE
- Ingress Protection: IP55
- Weight: 10 - 20 kg
- Power supply: 400 V 50 Hz 3 ph
Technical Summary table lists features available within the range. See ‘Specifications’ tab for model specific information.