Rotary Piston Liquid Sealed Water Meter
This type of water meter can be used for a remote reading transmission system as equipped with a built-in sensor.
Parameters:
Size of Volumetric Rotary Piston Water Meter:
|
DN(mm) |
Length(mm) |
Width(mm) |
Height(mm) |
Thread D |
Weight Kg |
|
15 |
115 |
91 |
116 |
G3/4B |
0.95 |
|
20 |
130 |
96 |
128 |
G1/B |
1.2 |
|
25 |
170 |
112 |
143 |
G11/4B |
1.8 |
Flow Range Qm=Minimum flow，Qt=Transitional flow，Qp=Permanent flow，Qs=Overload flow，R=Qp/Qm
|
DN |
Qs |
Qp |
Qt/Qm=1.6 |
Qp/Qm（m³/h） |
|
(mm) |
Qs/Qp=1.25m³/h |
R160 |
R160 |
|
|
15 |
3.12 |
2.5 |
0.025 |
0.015 |
|
20 |
5 |
4 |
0.04 |
0.025 |
|
25 |
7.87 |
6.3 |
0.063 |
0.039 |
|
Description |
Unit |
Hydraulic Data And Dimensions |
|||||
|
Nominal Size |
mm(inch) |
DN15(1/2) |
DN20(3/4) |
DN25(1) |
DN32(1-1/4) |
DN40(1-1/2) |
|
|
Q4 Error Limit +/-2% |
m3h |
3.125 |
5 |
7.785 |
12.5 |
20 |
|
|
Q3 Error Limit +/-2% |
m3h |
2.5 |
4.0 |
6.3 |
10 |
16 |
|
|
Q2 Error Limit +/-2% |
l/h |
25 |
40 |
63 |
100 |
160 |
|
|
Q1 Error Limit +/-5% |
l/h |
15.6 |
25 |
39.4 |
62.5 |
100 |
|
|
Min. Reading |
l |
0.05 |
0.05 |
0.005 |
0.5 |
0.5 |
|
|
Max. Reading |
m3 |
9999.9999 |
9999.9999 |
9999.9999 |
9999.9999 |
9999.9999 |
|
|
MAP |
MPa |
1.6 |
1.6 |
1.6 |
1.6 |
1.6 |
|
|
Press Loss △PAT Q3 |
MPa |
<0.063 |
<0.063 |
<0.063 |
<0.063 |
<0.063 |
|
|
L |
mm |
195 |
267 |
319 |
384 |
428 |
|
|
I |
mm |
115 |
165 |
199 |
260 |
300 |
|
|
B |
mm |
43 |
43 |
53 |
60 |
77 |
|
|
weight |
Without Connections |
Kg |
1.14 |
1.56 |
2.48 |
3.47 |
5.65 |
|
|
Without Connections |
Kg |
0.97 |
1.3 |
2.05 |
2.75 |
4.7 |
Features:
–Low start-up flow rate.
–volumetric rotary piston principle of measurement.
–LXHY-15~20 is no location limitation for installation. Accuracy is not to be affected wherever installed at horizontal, vertical or inclined pipeline.
–Register is sealed with a special liquid to keep a clear readingin long term service.
–Mechanism uses high-quality material to ensure a stable characteristic.
–Accurate measurement with conformity to lSO 4064 class C.
–On request, the series can be equipped with a kind of remote transmission device.
Application:
Measuring the volume of cold portable water passing through the pipeline. Also suitable for pure water.
Optional Features:
–Register sealed type: Dry type; Semi-dry type; Super-dry type.
–Accuracy: R=80; 100;125;160.
–Size: 15~50mm.
–Cold / hot water.
–Non return valve.
–Reed switch option.
–Several lengths and connections available on request.
–Thread end type: BSP/NPT.
Working Conditions:
–The Max. Admissible water pressure 1.6MPa.
–Resisting water temperature: 50℃.
Note:
–Body material: Brass body / Plastic body.
–Size: Plastic body: DN15-20; Brass body: DN15-40.
–Different registers can be chosen:
