Watson-Marlow SP Series - Manual (Page 28)

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10 SPECIFICATIONS
10.1 Pumphead
10.1.1 Performance
Description SP/10 SP/15 SP/20 SP/25 SP/32 SP/40 SP/50 SP/65 SP/80 SP/100
Max. capacity, continuous
[m3/h]
0,11 0,38 0,62 1,80 3,25 6,0 10,5 20,0 28,0 36,0
Max. capacity,
intermittently [m3/h] ◊
0,16 0,60 1,09 2,88 5,25 9,6 17,5 32,0 42,0 60,0
Capacity per revolution
[l/rev]
0.022 0,083 0,152 0,30 0,625 1,33 2,9 6,7 11,7 20,0
Max. permissible
discharge pressure [kPa]
750 750 750 1600 1600 1600 1600 1600 1600 1600
Permissible ambient
temperature [°C]
- 20 to + 45
Permissible product
temperature [°C]
- 10 to + 80
Sound level on 1m
[dB(A)]
60 60 60 70 70 70 70 70 70 70
◊ Intermitted duty: “Let the pump stand still to cool down for at least 1 hour after 2 hours of operation”.
10.1.2 Materials
Description Material
Pump housing
Cast-iron
Cover
SP/10, SP/15: synthetic
optional: mild steel
SP/20 to SP/100: steel
Pump rotor
Cast-iron
Pressing shoe
Aluminum (not applicable for SP/10, SP/15 and
SP/20)
Pump support Mild steel, galvanized
Flange bracket Mild steel, galvanized
Mounting material of pump cover Mild steel, galvanized
Mounting material of pump
support
Mild steel, galvanized
Seals Nitrile
Bush Neoprene
10.1.3 Lubricant
Required quantity of lubricant [Liters]
SP/10 SP/15 SP/20 SP/25 SP/32 SP/40 SP/50 SP/65 SP/80 SP100
0,25 0,50 0,50 2 3 5 10 20 40 60