Roots Flowmeter are one of typical cubage flowmeters, feature high accuracy, good reliability, light weight, long life, easy.
Port: SHANGHAI PORT
Minimum Order Quantity: 1 Set/Sets NOTHING
Supply Ability: 100 Set/Sets per Month NOTHING
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: Special packing
Delivery Detail: anytime
LL Series Roots Flowmeter
Meter Size 25 to 150 mm
Material Cast iron, Cast steel, Aluminum
Operating Press. Max. 4.0MPa
Operating Temp. -41°C to +120°C
Accuracy 0.2, 0.5
Flow Range 0.6 to 250 m3/h
LL Series Roots Flowmeter
Meter Size 25 to 150 mm
Material Cast iron, Cast steel, Aluminum
Operating Press. Max. 4.0MPa
Operating Temp. -41°C to +120°C
Accuracy 0.2, 0.5
Flow Range 0.6 to 250 m3/h
Flow range (m3/h)
DN mm | Viscosity 2.0~150 mPa·s | Viscosity 0.6~2.0 mPa·s | Viscosity 2.0~150 mPa·s | Viscosity 0.6~2.0 mPa·s | Viscosity 2.0~150 mPa·s | Viscosity 0.6~2.0 mPa·s | Note |
25 | 0.6~6 | 1.2~6 | 1.2~6 | 1.5~6 | 1.5~6 | 2~6 | max. instantaneous flow could be 110% of the max.flow in the table. |
40 | 1.6~16 | 3.2~16 | 3.2~16 | 4~16 | 4~16 | 5~16 | |
50 | 2.5~25 | 5~25 | 5~25 | 6~25 | 6~25 | 8~25 | |
80 | 6~60 | 12~60 | 12~60 | 15~60 | 15~60 | 20~60 | |
80(2) | 12~100 | 22~100 | 22~100 | 25~100 | 25~100 | 33~100 | |
100(2) | 10~100 | 20~100 | 20~100 | 25~100 | 25~100 | 33~100 | |
150 | 25~250 | 50~250 | 50~250 | 60~250 | 60~250 | 80~250 | |
Accuracy class | 0.5 | 0.3 | 0.2 |
4.Material and nominal pressure
Type | Shell and cover | Cover plate | rotor | Rotary shaft | Sheath of shaft | Nominal pressure (MPa) |
LL-AL | Cast iron | Cast iron | Alloy aluminum | Stainless steel | rolling bearing | 0.6,1.0 1.6 |
LL-EL | Cast steel | Cast iron | Alloy aluminum | Stainless steel | rolling bearing | 2.5,4.0 |
LL-LL | Alloy aluminum | Cast iron/stainless steel | Alloy aluminum | Stainless steel | rolling bearing | 0.6,1.0 1.6 |
Note | Specific design for special contract |