1、Rotary Piston Liquid Sealed Water Meter, also known as volumetric water meter, adopts volumetric rotary piston principle of measurement; It has no location limitation for installation. Its accuracy will not to be affected wherever installed at a horizontal, vertical or inclined pipeline. Available with the pulse output (1L/10L/100L one pulse).

2、Working condition :
a) Water temperature: 0.1℃～40℃(cold water) 1℃～90℃(hot water)
b) Water pressure: ≤1.0MPa
3、 Maximum permissible error :
a) In the lower zone from qmin inclusive up to but excludingqt is ±5%
b) In the upper zone from qtinclusive up to and including qs is ±2%(cold water) , ±3%(hot water)
4、Standard： ISO4064 Class C
5、Material： Brass，nylon
6、Accessory：a set of nipples, nuts and gaskets

Type

Size

Class

Q4  
Overload

Q3  
Permanent

Q2  
Transitional

Q1
Minimum

Minimum Reading

Maximum Reading

m3/h

L/h

m3

LXHY-15

15

C

3.125

2.5

25

15.6

0.0005

9,999

LXHY-20

20

C

5

4.0 

40

25

0.0005

9,999

Type

Size

Length

Width

d
Connecting Thread

mm

LXHY-15

15

115

85.2

G3/4B

LXHY-20

20

130

85.2

G1B