K161 / K202 · Glass-bulb sprinklers

Large K-Factor Sprinklers

Large K-factor spray sprinklers with K161 and K202 metric flow coefficients. Compare standard- and quick-response models and their installation options below.

K161 / K202 68°C

Choose the exact factory model, response type and installation orientation for your project.

Specifications

Technical specifications

Specifications for the large K-factor glass-bulb models listed below.

Available K-factors
K11.2 US / K161 metric; K14.0 US / K202 metric
Response options
Standard response with 5 mm bulb; quick response with 3 mm bulb for K161 models
Temperature
68°C / 155°F
Installation
Upright and pendent; horizontal sidewall available for K202
Nominal connection
DN25 / 1 in NPT
Frame material
Copper
Surface finish
Chrome-plated
Max. working pressure
1.2 MPa / 12 bar / approx. 175 psi
Standard packing
Packing requirements confirmed with the order

Available configurations

Large K-factor factory models

Compare K161 standard- and quick-response models and K202 standard-response configurations.

ConfigurationK-factor (US / metric)ConnectionThermal elementFactory model
Standard Response UprightK11.2 / K161DN25 / 1 in NPT5 mm bulb · 68°CT-ZSTZ161-68°C Q5
Standard Response PendentK11.2 / K161DN25 / 1 in NPT5 mm bulb · 68°CT-ZSTX161-68°C Q5
Quick Response UprightK11.2 / K161DN25 / 1 in NPT3 mm bulb · 68°CK-ZSTZ161-68°C Q3
Quick Response PendentK11.2 / K161DN25 / 1 in NPT3 mm bulb · 68°CK-ZSTX161-68°C Q3
Standard Response Upright / PendentK14.0 / K202DN25 / 1 in NPT5 mm bulb · 68°CZSTZ.X202-68°C Q5
Standard Response Horizontal SidewallK14.0 / K202DN25 / 1 in NPT5 mm bulb · 68°CZSTBS202-68°C Q5

Photographs show series samples; confirm the exact factory model and its project data when ordering.

Quotation details

Tell us your project requirements

Send the factory model, installation orientation, connection requirement, working pressure and quantity.

ConnectionProvide the required connection size and thread designation.
Working pressureSpecify the working pressure required for your project.
Order quantityState the quantity required for each factory model.

Request a quotation: Large K-Factor Sprinklers

Include the exact factory model and project requirements.