RMR-4F — thermowell form 4F to DIN 43772
from solid material, conical, for flange mounting

Dimension drawing · dimensions in mm · binding dimensions per order confirmation
Flanged thermowell from drilled solid material with a conically tapering tip. The most load-resistant design with a flange connection – with an ECTFE, PFA or tantalum coating on request. Dimensions to DIN 43772.
- Steam, gas and high flow velocities
- Chemically aggressive media (with coating)
- Replacement for existing Schramm thermowells SR41
- Drilled from solid – highest strength
- Length 200 / 260 / 410 mm, tip Ø 9 – 15 mm
- Flange DN 25 – DN 50 to DIN EN 1092-1
- Coating in ECTFE (Halar), PFA or tantalum
Put a version together and enquire
6 positions from the order key in our catalogue. The configurator shows the type code as you go, checks the combination for plausibility and sends the enquiry straight to us.
You generate the data sheet for the chosen version in the configurator with "Create PDF". Prefer the phone? +49 6181 504 93 18 · info@ghi-gmbh.de
Technical data
Order example
RMR-4F-2-2-1-1-K-1
L 260 mm, cone 125 mm, M 18 × 1.5, Ø 24 h7 to Ø 12.5 mm, DN 25 / PN 40, 1.4571, without coating, 3.1 material test certificate
Data sheets and operating instructions in the download centre
Typical industries
The assignment names the most common applications and does not exclude others — talk to us if your application is not listed.
Chemicals & petrochemicals
Pharmaceuticals & biotechnology
Plastics & extrusion
Mechanical & plant engineering
For welding in: RMR-4 · heavy version: RMR-45 · as a tube on the flange: RMR-3F · All designs: Thermowells
Download data sheet RMR-4F (PDF) →
Dimension drawing, technical data and the complete order key on two pages.
Please contact us
We are glad to help with questions about products, versions and delivery times.
Dennis Kühne
Phone: +49 6181 504 93 18
Mobile: +49 160 91437153
E-mail: info@ghi-gmbh.de
