ZSJZ-M-1.2 · DN50–DN200

Saddle-Type Waterflow Switches

Non-retard saddle-type vane waterflow indicators for monitoring horizontal piping in wet-pipe automatic sprinkler systems.

ZSJZ-M-1.2 DN50–DN200 / 2–8 in Saddle type · U-bolt mounting · non-retard 1.2 MPa / 12 bar / approx. 175 psi

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The product photograph shows a DN100 series reference. Confirm the pipe outside diameter, installation dimensions, electrical contact requirements, alarm flow and reset requirement before quotation.

Product image

DN100 representative series sample

This archived white-background image identifies the saddle body, U-bolt and sensing paddle of the DN100 sample. It is not proof of the dimensions of every listed size.

DN100 saddle-type waterflow switch with red enclosure, ductile-iron saddle, U-bolt and white sensing paddle

DN100 representative waterflow switch1 / 1

Specifications

Confirmed series scope

The series, model range, rated pressure, construction, materials and intended application follow the approved v11 record. Unresolved electrical and installation data remain quotation items.

Product type: Saddle-type vane waterflow indicator
Factory series: ZSJZ-M-1.2
Nominal pipe-size range: DN50–DN200 / 2–8 in
Construction: Saddle type · U-bolt mounting · non-retard
Rated working pressure: 1.2 MPa / 12 bar / approx. 175 psi
Application: Waterflow monitoring on horizontal piping in wet-pipe automatic sprinkler systems
Installation arrangement: Horizontal pipe; enclosure upward or sideward; U-bolt clamped from below
Confirmed materials: ADC12 / A380 aluminum enclosure; QT450-10 ductile-iron saddle; Q235B hot-dip galvanized U-bolt; PE paddle; EPDM gasket
Technical reference: GB 5135.7-2018 manufacturing reference
Image scope: DN100 / 4 in product shown as the series reference
Pipe fit and installation dimensions: To be confirmed with the quotation
Contact form and rating: To be confirmed with the quotation
Alarm flow and reset data: To be confirmed with the quotation
Temperature range and enclosure protection: To be confirmed with the quotation
Packing: To be confirmed with the quotation

Available models

Approved factory model table

Select the nominal pipe size first. The DN100 photograph is the series reference; pipe outside diameter and installation dimensions must be confirmed for the selected model.

Nominal pipe size	Factory Model
DN50 / 2 in	ZSJZ50-M-1.2
DN65 / 2½ in	ZSJZ65-M-1.2
DN80 / 3 in	ZSJZ80-M-1.2
DN100 / 4 in	ZSJZ100-M-1.2
DN125 / 5 in	ZSJZ125-M-1.2
DN150 / 6 in	ZSJZ150-M-1.2
DN200 / 8 in	ZSJZ200-M-1.2

The model table records the approved factory selection range. It does not establish electrical ratings, dimensions or certification coverage.

Quotation confirmation

Details required before production

Send the selected model and matching pipe information so the supplied saddle, paddle and signaling configuration follow the approved quotation.

Pipe selectionProvide nominal size, actual pipe outside diameter and available installation space.

Electrical requirementConfirm the required contact form, AC/DC voltage, current and load type.

Alarm requirementConfirm the required alarm-flow and reset criteria for the project.

Order informationProvide quantity, destination, packing and required documents.

Send your ZSJZ waterflow-switch requirement

Include factory model, nominal pipe size, pipe outside diameter, electrical requirement, quantity and destination.

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