Rotary Piston Liquid Sealed Water Meter
Class C Cold (Hot) Water Metersr DN15-40(mm)
Volumetric Cold Water Meter – Considered to be the world’s most successful household water meter, it offers unparalleled precision and high performance measurements with durable and tamper-proof construction as well as safety.This type of water meter can be used for a remote reading transmission system as equipped with a built-in sensor.
应用
–Measuring the volume of cold (hot) water passing through the pipeline.
Also suitable for pure water.
特点
–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 a horizontal, vertical or inclined pipeline.
–Register is sealed with a special liquid to keep a clear reading in long term service.
–Mechanism use of high-quality material to ensure a stable characteristic.
–Accurate measurement with conformity to ISO 4064 class C.
–On request, the series can be equipped with a kind of remote transmission device.
工作状态
–Water temperature: 0.1℃～50℃ for cold water meter .
–Water pressure: PN16
–Pressure -loss class:△p63
最大允许误差
(1) 从最低流量（Q1）（含）到过渡时期
流速（Q2）独占 ±5%
(2) 从过渡流速（Q2）到超负荷流速
(Q4）：±2%（热水表±3%）
可选功能
–Accuracy: R=160.
–Material: Brass body
–Size: Brass body: DN15-40.
—Color can be change on body and cover.
–Register: Liquid Sealed.Different register can choose.
尺寸
注意： The DN15/20 connect can bring Non return valve & plastic filter . Thread end type: BSP / NPT.
Register Type
Pulse Position
压力损失曲线
Flow Technique Specification Exploded View
