3-DU-SL-50 Flat Nozzle 45 × 4.2 — Hirt Line 3/4" System
3-DU-SL-50 FM Carbide technical drawing with metric and U.S. dimensions
3-DU-SL-50 Flat Nozzle 45 × 4.2 — Hirt Line 3/4" System
3-DU-SL-50 FM Carbide technical drawing with metric and U.S. dimensions

3-DU-SL-50 Flat Nozzle 45 × 4.2 — Hirt Line 3/4" System

Nozzles
$149.68 each

3-DU-SL-50 Flat Nozzle provides a wide spray pattern through its 45 × 4.2 mm / 1.772 × 0.165 in outlet.

Use the wide outlet to distribute coolant across a broader cutting or grinding zone. The mechanically sealed Typ3 joint allows precise aiming without elastomer sealing rings.

Technical Specifications

Part number 3-DU-SL-50
Product type Flat Nozzle
System Hirt-Line Typ3 (3/4-inch system)
System connection M34×1.25 nut
System flow size 19 mm / 0.748 in
Outlet geometry 45 × 4.2 mm / 1.772 × 0.165 in slot
Stream pattern Wide spray pattern
Overall length 60 mm / 2.362 in
Effective installation length 52.2 mm / 2.055 in
Nozzle face width 45 mm / 1.772 in
Wrench size SW38 nut
Material 1.4305 stainless steel (AISI 303); 1.4404 stainless steel option available from the manufacturer
Temperature range −100 °C to +300 °C / −148 °F to +572 °F
Maximum pressure 100 bar / 1450 psi
Weight 142 g / 5.01 oz

Selection guidance: Confirm the M34×1.25 Typ3 connection, available installation envelope and required outlet pattern before ordering. Carrier flow requirements depend on coolant viscosity, pressure and the complete line configuration.

Browse the complete Hirt-Line Typ3 coolant system or contact FM Carbide technical support for configuration assistance.

Availability and Shipping

Hirt-Line maintains substantial stock in the USA. If this item is not in stock, estimated time to ship is 7–10 calendar days.

Estimated time to ship is measured from order placement until carrier handoff. Carrier transit time is additional. Orders may ship sooner. Please contact us before ordering if you need a specific shipping date.

See our Shipping Policy for details.

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