VERTICAL SIDEWALL SPRINKLER

VERTICAL SIDEWALL SPRINKLER

CATALOGUE CERTIFICATION

MODEL: SD2133, SD2121

The SD2133 and SD2121 sidewall sprinklers (½” orifice) are engineered for reliable performance in standard fire protection applications. They feature a crescent-shaped water discharge pattern, making them ideal for installation along walls, beams, or ceilings. Built with advanced heat-responsive glass bulbs—available in both standard and quick response options—these sprinklers ensure fast and accurate activation during a fire. Their modern die-cast frame offers a sleek and durable design, enhancing both efficiency and appearance.

The sprinkler is designed with a hex-shaped wrench boss, allowing easy tightening from different angles and simplifying installation. It comes in multiple temperature ratings and finishes to accommodate various design preferences. For recessed pendent models, a recessed escutcheon is recommended to enable easy adjustment during setup. Every unit is equipped with the reliable Belleville seal, ensuring long-lasting performance and safe, dependable operation.

SPRINKLER IDENTIFICATION NUMBER: Standard SD2133 (bulb 5mm), Quick Response SD2121 (bulb 3mm)
STYLE: Vertical Sidewall
FINISH: Natural/Chrome
K FACTOR: 5.6gpm/psi½. (80lpm/bar½)
RESPONSE TIME INDEX (RTI): Standard 50 (m.s)½, Quick Response 30 (m.s)½
NOMINAL THREAD SIZE: ½”NPT(15mm
ORIFICE SIZE: 13mm
MAX. WORKING PRESSURE: 175PSI(1200kPa)
FACTORY HYDROSTATIC TEST: 100%@500PSI(3450 kPa)
MIN. OPERATION PRESSURE: 7 PSI(48 kPa)
Material: Brass body with corrosion-resistant coating
Thread Size: Standard NPT/BSPT threading options available
Response Type: Quick response or standard response models
Temperature Ratings: 135°F (57°C) to 286°F (141°C)
Finish Options: Chrome, brass, or custom finishes available