Steam injectors for pipeline installation.
The model types are characterized by their different connection forms.
Multi-stage versions increase performance by up to 300% while maintaining a compact design.
RFF/RLF
Steam injector with fixed or loose flanges.
Sizes:
- Fixed flanges DN 15 (1/2″) to DN 350 (14″)
- Loose flanges DN 65 (2.5″) to DN 250 (10″)
Materials:
- Our steam injectors are made of austenitic stainless steel.
- Standard materials (according to AISI): 316Ti and 321
- Materials such as 316L, Duplex, Hastelloy, Monel or PTFE compound, as well as special coatings are also possible upon request.
RFF type models
Main dimensions RFF/RLF

Series | DN 15 | DN 20 | DN 25 | DN 40 | DN 50 | DN 65 | DN 80 | DN 100 | DN 125 | DN 150 | DN 200 | DN 250 | DN 300 | DN 350 |
A + B | 15 | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 |
C | 8/10 | 10 | 15 | 25 | 25 | 25 | 40 | 50 | 50 | 50/65 | 80 | 100 | 125 | 0 |
G | 4.5 | 4,5 | 9 | 12.5 | 12.5 | 20.5 | 27 | 38 | 55 | 65 | 80 | 115 | 115 | 150 |
H | 70 | 80 | 90 | 120 | 120 | 120 | 150 | 160 | 160 | 200 | 250 | 250 | 300 | 300 |
K | 8.75 | 16.5 | 21 | 28 | 28 | 60 | 75 | 80 | 85 | 95 | 120 | 130 | 150 | 160 |
L | 17.5 | 33 | 68 | 56 | 56 | 120 | 150 | 175 | 200 | 270 | 350 | 370 | 420 | 460 |
Steam flow rate at 5 barg [kg/h] | 41 | 73 | 120 | 120 | 280 | 470 | 920 | 1340 | 1725 | 2425/2835 | 3700 | 4700 | 6190 | 7600 |
RFF Multi-Stage
Two- to three-staged steam injector with fixed flange design.
Sizes:
- DN 20 (3/4″) to DN 200 (8″)
Advantages:
- Very compact design, up to 3-fold increase in performance compared to single-stage design.
Materials:
- Our steam injectors are made of austenitic stainless steel.
- Standard materials (according to AISI): 316Ti and 321
- Materials such as 316L, Duplex, Hastelloy, Monel or PTFE compound, as well as special coatings are also possible upon request.
Model RFF DN 100 with steam connection DN 50 in three-staged design
Main dimensions RFF multi-stage

Series | DN 20 | DN 25 | DN 40 | DN 50 | DN 65 | DN 80 | DN 100 | DN 125 | DN 150 | DN 200 |
A + B | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
C (2-stage) | 15 | 25 | 25/40 | 25/40 | 40/50 | 50 | 50/65 | 80 | 80/100 | 80/100/150 |
C (3-stage) | 15/20 | 25 | 40 | 40 | 50 | 50 | 65/80 | 80 | 125/150 | 200 |
H | 100 | 120 | 130 | 130 | 150 | 150 | 200 | 240 | 250 | 280 |
L (2-stage) | 93 | 127 | 170 | 170 | 257.5 | 318 | 375 | 400 | 540 | 700 |
L (3-stage) | 140 | 190 | 255 | 255 | 385 | 476 | 560 | 600 | 810 | 1050 |
Steam flow rate at 5 barg [kg/h] (2-stage) | 146 | 240 | 560 | 560 | 860 | 1400 | 2000 | 2940 | 4020/5040 | 7400 |
Steam flow rate at 5 barg [kg/h] (3-stage) | 219 | 360 | 840 | 840 | 1290 | 2100 | 3000 | 4410 | 6030/7560 | 11100 |
RKE
Steam injector in clamp version.
Sizes:
- DN 15 (1/2″) to DN 65 (2,5″)
Materials:
- Our steam injectors are made of austenitic stainless steel.
- Standard materials (according to AISI): 316Ti and 321
- Materials such as 316L, Duplex, Hastelloy, Monel or PTFE compound, as well as special coatings are also possible upon request.
Model RKE DN 65 with steam connection DN 25
Main dimensions RKE

Series | DN 15 | DN 20 | DN 25 | DN 40 | DN 50 | DN 65 |
A + B | 15 | 20 | 25 | 40 | 50 | 65 |
C | 10 | 10 | 15 | 25 | 25 | 25 |
G | 5 | 5 | 9 | 12.5 | 12.5 | 20 |
H | 80 | 80 | 90 | 120 | 120 | 130 |
L | 17.5 | 33 | 42 | 56 | 56 | 76 |
Steam flow rate at 5 barg [kg/h] | 41 | 73 | 120 | 280 | 280 | 470 |
RSF
Steam injector with weld preparation.
Sizes:
- DN 25 (1″) to DN 80 (3″)
- Main dimensions are available upon request.
Materials:
- Our steam injectors are made of austenitic stainless steel.
- Standard materials (according to AISI): 316Ti and 321
- Materials such as 316L, Duplex, Hastelloy, Monel or PTFE compound, as well as special coatings are also possible upon request.
Model RSF DN 50 with steam connection DN 15
RFM
Multi-stage steam lance for pipeline installation.
Sizes:
- Upon individual request.
- Main dimensions are available upon request.
Materials:
- Our steam injectors are made of austenitic stainless steel.
- Standard materials (according to AISI): 316Ti and 321
- Materials such as 316L, Duplex, Hastelloy, Monel or PTFE compound, as well as special coatings are also possible upon request.
Model RFM Steam lance in multistage design
Installation example steam injector type RFF
- Heating and tempering of liquid media with steam
- Heating of heating-cooling circuits
- Mixing of two media (gaseous or liquid)
- Injection of gases
- Heating of suspensions (e.g. paper pulp heating)
- Ventilation of bioreactors (e.g. yeast ventilation in the brewing process)
- Injection of CO2
- Feeding of diphyl steam for energy input
- PE- PP- PVC- LLDPE-fabrication
- Stripping of suspensions & emulsions (PVC, latex)
- Low-noise steam injection
- Adjustability of the steam quantity from 0 – 100%
- Maximum heat transfer
- Therefore fast and very efficient heating in continuous operation
- Minimal pressure losses < 0.1 bar
- Compact design
- Installation in any position
- Long service life > 10 years, maintenance-free

- Chemical industry
- Paper industry
- Food industry
- Pharmaceutical industry