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Cross grilles are manufactured from steel and are designed solely for dry environments. Due to their inherent strength and pencil proof design, they are suitable for trench heaters installed in restaurants, bars, lobbies and similar spaces, where a higher level of safety is required.

Cross grilles are as standard lacquered with RAL 9006 (grey) powder coating; other RAL colour chart colours are available. Cross grilles are rigid and supplied built-in to the trench heater. Due to their precise fit, Cross grilles must be ordered together with trench heaters. Trench heaters casing must be adapted to fit the Cross grille and are finished with Cross frames. Cross grilles are suitable for design solutions and cannot be combined with U, F or Thin frames.

Cross mrizky - profilCross mrizky - linearni provedeni_1        

Informace  Cross grilles are ordered custom-made. Prices and delivery times specified on request.


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
63% 55% 60% 60% 63% 58%

Load bearing capacity

     Grafy PM

In load bearing capacity testing, grille slats are placed on two supports and weighed down in centre.
For wooden slats, values are given up to the fracture point of the first fibre. Metal slats are measured up to the point of irreversible deflection.

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.


Cross rameček


Example order code: PM-100/26-C6L0

Floor grille length 100 cm, width 26 cm, steel Cross model, RAL 9006 colour (grey) lacquered, linear, for single trench heater without alterations. Grille measurement given in the order code corresponds with the measurement of the respective trench heater. Nett dimension of the grille is available upon request.

Floor Grille     Length/Width (cm)   Grille material Grille Colour Grille type Grille ending type    
P M   - 100/26 - C 6 L 0    







C Cross

6 RAL 9006

9 other RAL colour

L linear

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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