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Sichuan Zhongxing Huiren Energy Technology Co., Ltd
LLQ series gas Roots flowmeter
NegotiableUpdate on 12/09
- Model
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Overview
The main technical performance indicators of LLQ series gas Roots flowmeter meet the requirements of JB/T7385 and JJG633 standards; Nominal diameter: DN20 to DN100; Wide range ratio (1:160), high measurement accuracy, low starting flow rate, and small pressure loss
Product Details
LLQ series gas Roots flowmeterThe main technical performance indicators comply with the requirements of JB/T 7385 and JJG 633 standards;
Nominal diameter: DN20 to DN100;
Wide range ratio (1:160), high measurement accuracy, low starting flow rate, and small pressure loss.
The specifications and basic parameters of the flowmeter are as follows:
model
Flow specifications
Nominal diameter (mm)
flow range
(m³/h)
Initial flow rate (m ³/h)
Maximum pressure loss (kPa)
Nominal pressure (MPa)
connection method
LLQ-20(Z)
G6
20
0.2～10
0.04
0.20
0.6
pipe thread
LLQ-25(Z)
G10
25
0.25～16
0.04
0.25
pipe thread
G16
0.5～25
0.04
0.20
1.6
flange
LLQ-32(Z)
G25
32
0.65～40
0.03
0.20
flange
LLQ-40(Z)
G25
40
0.65～40
0.03
0.30
flange
LLQ-50(Z)
G16
50
0.5～25
0.03
0.10
flange
G25
0.65～40
0.03
0.15
flange
G40
0.65～65
0.03
0.25
flange
G65
0.65～100
0.04
0.40
flange
LLQ-80(Z)
G100
80
1.0～160
0.12
0.40
flange
G160
2.0～250
0.08
0.50
flange
LLQ-100(Z)
G160
100
2.0～250
0.10
0.50
flange
G250
2.5～400
0.15
0.55
flange
Nominal diameter: DN20 to DN100;
model
Flow specifications
Nominal diameter (mm)
flow range
(m³/h)
Initial flow rate (m ³/h)
Maximum pressure loss (kPa)
Nominal pressure (MPa)
connection method
LLQ-20(Z)
G6
20
0.2～10
0.04
0.20
0.6
pipe thread
LLQ-25(Z)
G10
25
0.25～16
0.04
0.25
pipe thread
G16
0.5～25
0.04
0.20
1.6
flange
LLQ-32(Z)
G25
32
0.65～40
0.03
0.20
flange
LLQ-40(Z)
G25
40
0.65～40
0.03
0.30
flange
LLQ-50(Z)
G16
50
0.5～25
0.03
0.10
flange
G25
0.65～40
0.03
0.15
flange
G40
0.65～65
0.03
0.25
flange
G65
0.65～100
0.04
0.40
flange
LLQ-80(Z)
G100
80
1.0～160
0.12
0.40
flange
G160
2.0～250
0.08
0.50
flange
LLQ-100(Z)
G160
100
2.0～250
0.10
0.50
flange
G250
2.5～400
0.15
0.55
flange
