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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.

Specifications

Product specifications

Compare the model range, rated pressure, construction, materials and intended application below. Electrical and installation details are confirmed with the quotation.

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
Contact capacity (quotation reference)
DC 24 V, 0.5 A
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
Image scope
DN100 / 4 in product shown as the series reference

Available models

Available factory models

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 sizeFactory Model
DN50 / 2 inZSJZ50-M-1.2
DN65 / 2½ inZSJZ65-M-1.2
DN80 / 3 inZSJZ80-M-1.2
DN100 / 4 inZSJZ100-M-1.2
DN125 / 5 inZSJZ125-M-1.2
DN150 / 6 inZSJZ150-M-1.2
DN200 / 8 inZSJZ200-M-1.2

The model table is for order selection. Electrical ratings, dimensions and certification requirements need separate confirmation.

Product photographs

Compare the construction and visible markings. Open a photograph to enlarge it; confirm the required configuration with the quotation.

Saddle waterflow switch — paddle and mounting view
Saddle waterflow switch — paddle and mounting viewEnlarge photograph →
Saddle waterflow switch — alternate mounting view
Saddle waterflow switch — alternate mounting viewEnlarge photograph →

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 requirementReference contact capacity: DC 24 V, 0.5 A. Confirm the rating, contact form and load type for the selected switch with the quotation. This is a contact rating, not a power-supply requirement.
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

Start with the model or nominal pipe size and quantity. Add pipe outside diameter, electrical requirements and destination when available.

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