STjh DN50 1.1 kW chilled-water circulation pump with a deeper hydraulic body and medium motor on white.

STJH-CHILLED-WATER-CIRCULATION-PUMP-DN50-11KW

Chilled-Water Circulation Pump DN50 1.1 kW

A DN50 medium-head inline pump using a 1.1 kW motor and longer 200-class hydraulic for controlled-production chilled water.

DN50 flanged inline body
1.1 kW motor
200 hydraulic head class

Yêu cầu báo giá Duyệt các sản phẩm

Giới thiệu Sản phẩm

The 1.1 kW version retains DN50 flanges but uses a longer impeller and 200 head-class hydraulic. It suits medium AHU coil circuits whose pipe, valve and heat-exchanger resistance exceeds the range of the compact 0.75 kW pump.

Các tính năng chính

Higher branch pressure

The extended hydraulic overcomes a medium network resistance without increasing pipe connection size.

Electronic speed option

Variable-speed control can follow valve position or differential pressure as coil demand changes.

Serviceable inline layout

The motor and cartridge remain accessible above the pipe centerline in a planned service zone.

Thông số kỹ thuật

Flange Size	DN50
Motor Power	1.1 kW
Hydraulic Head Class	200
Maximum Working Pressure	16 bar
Pump Construction	Inline centrifugal
Impeller	Extended medium-head hydraulic
Control	Variable-speed differential-pressure option
Fluid	Closed-loop chilled water
Mounting	Inline pipework with independent support
Tùy chỉnh	Flow setpoint, sensor package and valve accessories can be configured for the intended application and operating environment.

Applications

Medium chilled-water circulation for controlled-production AHUs, clean packaging coils and laboratory distribution branches.

Solutions for Your Application

The lower-head pump cannot overcome the combined valve and coil pressure drop.Use the 200-class hydraulic after plotting the required operating point on the pump curve.

Constant-speed operation may create excess differential pressure as valves close.Use electronic speed control with a suitably located pressure sensor.

Các tùy chọn có sẵn

Integrated drive, remote pressure sensor, isolation and balancing valves, non-return valve, insulation and building-control connection can be selected.

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