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Spillback

Spillback nozzles are special single-fluid nozzles that atomize liquids into a fine hollow cone spray. In comparison to traditional single-fluid nozzles, spillback nozzles ensure consistent droplet size over the entire controlled flow range without changing pump pressure.

The Spillback nozzles can lower operating cost because they do not require compressed air. Spillback nozzles are used for gas cooling and conditioning processes commonly found in chemical processing, petrochemical, pollution control, and cement industry.

AB Hansa Engineering AB
Alexander Bergman Droplet separation, Column internals, Spray nozzles & systems, Tank cleaning
I look forward to providing product advice and solutions! Let's meet via a video call or a site visit. You can also phone or email us, of course.
HL Hansa Engineering AB
Hans Linder Spray nozzles & systems, Tank cleaning, Safety showers, Tank storage equipment
I look forward to providing product advice and solutions! Let's meet via a video call or a site visit. You can also phone or email us, of course.
LC Hansa Engineering AB
Linda Caporicci Column internals, Droplet separation, Spray nozzles & systems, Other products
I look forward to providing product advice and solutions! Let's meet via a video call or a site visit. You can also phone or email us, of course.
SM Hansa Engineering AB
Sol Millerv Dust control, Spray nozzles & systems, Tank cleaning
I look forward to providing product advice and solutions! Let's meet via a video call or a site visit. You can also phone or email us, of course.
RR Hansa Engineering AB
Robin Ryberg Spray nozzles & systems, Tank cleaning
I look forward to providing product advice and solutions! Let's meet via a video call or a site visit. You can also phone or email us, of course.
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Spraylans med spillbackdysa. Spraylansen är tillverkad av BETE Spray Technology.
Spillback är en speciell hålkonsdysa med fin atomisering. Till skillnad mot traditionella dysor skapar Spillbackdysan droppstorlekar som är desamma över hela flödesintervallet, vid bibehållet tryck. Spillbackdysan är tillverkad av BETE Spray Technology.
Illustration av flödet genom en Spillbackdysa.
Illustration av Spillbackdysan och dess komponenter - Cap nut, fluid cap, swirl, insert & gasket.
Spraylans med spillbackdysa. Spraylansen är tillverkad av BETE Spray Technology. Spillback är en speciell hålkonsdysa med fin atomisering. Till skillnad mot traditionella dysor skapar Spillbackdysan droppstorlekar som är desamma över hela flödesintervallet, vid bibehållet tryck. Spillbackdysan är tillverkad av BETE Spray Technology. Illustration av flödet genom en Spillbackdysa. Illustration av Spillbackdysan och dess komponenter - Cap nut, fluid cap, swirl, insert & gasket.

Design features 

  • High turndown ratio, 10:1
  • Minimal variation in drop size over operating flow range
  • Highly reliable in extreme environments
  • Pressure changes have minimal effect on spray angle stability
  • Single fluid design requires no compressed air
Spray patternHollow cone - Axial
Spray angle70° - 90°
Flow rate0.9 - 410 l/min
Standard material - Body & Cap NutHardened 420SS, 316SS; Gaskets 316SS
Connection3/4", 1", 2" BSP/NPT
DimensionsSee Datasheet

Choose the right spray nozzle for an optimised spray process

Each type of nozzle has a specific flow rate, spray pattern and droplet size. To optimise the spray process, it is important to understand how different parameters affect the choice of spray nozzle and type of solution.

The Knowledge base contains information about spray pattern, droplet size, flow rate/pressure, spray coverage, materials, etc. The 'Materials' section of the Knowledge base lists the most commonly requested materials and maximum temperature of the material.

Our main supplier is BETE, a leading manufacturer of spray nozzles and spray systems with more than 70 years of experience in spray processes and a product range including over 20,000 components.

BETE's spray technology is used worldwide to optimise processes in many different industries, including the energy sector, chemical and petrochemical industry, food industry and offshore.

Some of BETE's certifications include ISO 9001:2015, ATEX and FM Approval.

BETE Performance Spray Engineering

BETE offers test facilities, CFD modelling, and advanced technical support. To ensure high quality and reliable deliveries, BETE's manufacturing is largely based 'in-house' with its own foundry, CNC machining, assembly and quality control.

BETE Certifications & Approvals

Click the button below for a full list of BETE's certifications. It is also possible to download some certificates.