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Model 631

Spray pattern: circular hollow-cone
Spray angle: 45°, 60°, 90°, 120°, 140°

Orifices:
liquid outlet through adjustable
annular gap

Capacity: 4.5 – 20 l/min at 3 bar

Model 641

Spray pattern: circular hollow-cone
Spray angle: 40°, 60°, 90°, 120°, 140°

Orifices:
liquid outlet through adjustable
annular gap

Capacity: 50 l/min at 3 bar

Applications

More details

Applications

Spring activated pressure nozzles –
clever technology for additional production safety

Extremely easy installation for maximum flexibility
Significant reduction in servicing downtimes as blockages are impossible
Also available vita head screw

SCHLICK spring activated pressure nozzles are ideal for coarse dosage tasks, cleaning and the air flow of gas or steam. The nozzles have been especially developed to achieve a broad expansion of the liquid stream. The spray image resembles that of a hollow cone, however with relatively coarse droplets and an uneven liquid distribution. The air flow is dependent on the differential pressure of the liquid. The air flow can be limited through a defined cone hub and the opening pressure can be varied.

Werkstoffe: Acid-resistant stainless steel, heat-resistant stainless steel, brass, hastelloy, inconel, other materials available on request.

SCHLICK model 631. On the left the standard model and on the right model with head screw thread. — **Model 631**
Also available with head screw threads (model 631 K) for perfect and uncomplicated fitting into a flange or container wall.

SCHLICK model 641. On the left the standard model and on the right model with head screw thread. — **Model 641**
Also available with head screw threads (model 641 K) for perfect and uncomplicated fitting into a flange or container wall.

Two close-ups of the upper part of a SCHLICK model 641. Left with conical plunger in contact (closed), right with conical plunger pushed upwards and visible annular gap.

Within the body of the nozzle there is a cone-shaped plunger, which seals the nozzle exit using elastic energy. With a pressure load (e.g. through the existing liquid pressure) the spring is pressed together and the cone is moved forward from the nozzle exit. The liquid escapes through the annular gap that arises.

With a reducing pressure load the annular gap is completely closed, which eliminates the risk of the nozzle being blocked from external material. The annular gap can optionally be limited through a defined cone hub and the opening pressure can be varied.