SPRINKLER HEAD K5.6 - CONCEALED

GSC289 – Concealed Pendent Type

K-Factor: 8.0 (115 L/min/bar¹⁄²)

Response: Standard and Quick Response

Key Features

Concealed Appearance: Flush ceiling finish for architectural integration

Efficient Activation: Heat-sensitive 3mm (quick) or 5mm (standard) glass bulb

Extra-Large Orifice: For higher water discharge and coverage

Ceiling Plate: Drops upon heat activation to expose sprinkler

Optional Silicone Seal: Prevents air/dust migration in clean areas

Product Catalog: K-FACTOR 8.0

Temperature Ratings

Sprinkler: 68°C (155°F)

Cover Plate: 74°C (165°F)

Technical Specs

Thread Size: ½" NPT or BSPT

Max Working Pressure: 175 psi (12.1 bar)

Test Pressure: 30 psi (2.1 bar)

Installation Torque: 10–20 ft-lb (13.4–26.8 N·m)

Material

Body / Deflector / Tray / Plate Seat: Brass

Glass Bulb: JOB Q5, Heat-sensitive

Seal: Rubber

Cylinder: Carbon Steel

Fixing Screw / Connecting Rod: Brass / Plated Steel

Finish: Epoxy Resin Coated

Optional Component: Silicone air/dust seal