Special Fire Sprinklers

Fusible-Alloy Fire Sprinklers

A fusible-alloy thermal-element sprinkler family available for upright or pendent installation, with five listed operating temperatures.

K5.6 US / K80 metric ½ in nominal connection class Upright / Pendent 5 temperature ratings

Factory models are shown for order matching. Confirm orientation, thread form, working pressure, finish and required documents before quotation.

Specifications

Confirmed series overview

Only fields confirmed in the approved v11 catalog are shown. Unresolved order details remain marked for quotation confirmation.

Product type
Fusible-alloy fire sprinkler
Installation options
Upright / Pendent
Nominal connection class
½ in nominal connection class
K-factor
K5.6 US / K80 metric
Thermal element
Fusible alloy
Temperature options
72°C / 162°F · 74°C / 165°F · 140°C / 284°F · 180°C / 356°F · 204°C / 399°F
Factory series
ZSTZ.X 80-[T]°C Y
Thread form
To be confirmed with the quotation
Working pressure
To be confirmed with the quotation
Finish
To be confirmed with the quotation

Available models

Factory models by operating temperature

Select the required temperature and confirm the installation orientation when requesting a quotation.

Factory ModelTemperature
ZSTZ.X 80-72°C Y72°C / 162°F
ZSTZ.X 80-74°C Y74°C / 165°F
ZSTZ.X 80-140°C Y140°C / 284°F
ZSTZ.X 80-180°C Y180°C / 356°F
ZSTZ.X 80-204°C Y204°C / 399°F

This approved selection table does not imply certification coverage. Final specifications follow the agreed quotation and order documents.

Quotation confirmation

Details required before production

Send the exact order requirements so the supplied sprinkler matches the approved quotation and sample.

OrientationSpecify upright or pendent installation.
ConnectionConfirm the required thread form and mating connection.
Operating requirementConfirm working pressure, temperature and finish.
Order informationProvide quantity, destination and required documents.

Send your fusible-alloy sprinkler requirement

Include orientation, temperature, thread requirement, quantity, destination and any marking or documentation request.