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Grilles - Robust NEW 

NEW PRODUCT - LAUNCH IN 2026

Characterized by its sturdy construction and precision-punched openings, the Robust cover grille delivers exceptional load-bearing capacity and safe performance. It is particularly suitable for public buildings, commercial spaces, and other areas where durability and protection against contamination are key priorities. This grille offers an ideal solution for demanding environments that require superior mechanical strength and long-lasting reliability.

Technical data Demand
fk mrizka robust

The fixed Robust cover grille is designed for all types of floor convectors up to 320 mm wide. For lengths exceeding 1,900 mm, the grille is supplied in segments.
Thanks to its rigid construction and punched openings, it offers a high load-bearing capacity and ensures safe use.

The Robust grille is available in two material options:

• AISI 304 stainless steel, suitable for more demanding environments
• steel with the option of RAL colour coating; this version has a slightly lower load-bearing capacity and is intended for dry environments only

Robust PM
                                  Robust
*Dimensions are given in mm 

Measurements
Code PM-xx/14 PM-xx/16 PM-xx/20 PM-xx/26 PM-xx/32 PM-xx/34 PM-xx/40
Width - nett  [mm] 128 148 188 248 308 328 388
Tolerance +0–1.5 mm. Code width is derived from trench heater width.
Grille airflow
alu wood steel stainless Thin  Cross Robust
63% 55% 60% 60% 63% 58% 35%

Decorative frames are available as standard in aluminium with silver, dark bronze or light bronze elox finishes. Frames may also be lacquered (powder coated) using colours from the RAL colour chart. Frames are in every case supplied as a component of trench heaters, and the type required must be specified when ordering in the Order Code. Where trench heaters are finished with a hem, the hem is of the same material as the casing. 

U-frame - standard
F-frame - optional
Hem - KORAFLEX FKP/FVP
Ramecek U Ramecek F

Pertl

* Dimensions are given in mm

ORDERING CODES

Example of ordering code: PM-100/26-R0P0

Floor grille length 100 cm, width 26 cm, AISI 304 stainless steel - Robust, non-lacquered, brushed, perforated, intended for a standalone convector without any special modifications.

Floor
Grille
 
Length/Width (cm)
 
Grille material
Grille Colour
Grille type
Grille ending type
P
M
-
100/26
-
R
 0
P
0
 
 
 
 
 
 
R stainless steel 
0 non-lacquered, brushed
 P perforated
0 grille for single trench heater
1 grille for trench heater with lowered face - input side
2 grille for trench heater with lowered face - opposite input side
3 grille for trench heater with both sides lowered
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