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Halftone Line

M - Shelter Blast Doors

Overview

M type door are manufactured in accordance with the requirements of the Home Front Command and tested and certified according to Standard 4422 by the Standards Institute of Israel.
Such doors include splinter  protection and designed for installation where there is no protective wall in front of the doors.
Double-winged Rassim flap door

Based on a single-wing door. The passive wing has an additional pair of hinges and bolts, and there are also reinforcement and sealing inserts at the wing connection point.

Dimensions

  • Single leaf and double leaf options.

  • Standard clear opening dimensions:

    • Single leaf:  85-140 X 200/210mm

    • Double-leaf: 140-240 X 200/210mm

  • Can be equipped with special frame allowing adding wooden or fire door on the same threshold. 

MMD1 safe room door

MMD1 Safe Room Door

  • Blast resistance: according to SI4422 

  • Gas tightness: Yes

  • Splinter protection: No

  • Leaf: Reinforced beams with steel panels

  • Installation options: casting, right/left

  • Locking mechanism: levers with multiple locking points

  • Special seal for gas tightness

  • Opening sizes: 700-800x2000mm

MMD1 Safe Room Blast Door Sliding

MMD1 Safe Room Door - Sliding

  • Blast resistance: according to SI4422 

  • Gas tightness: Yes

  • Splinter protection: No

  • Leaf: Reinforced beams with steel panels

  • Installation options: casting, right/left

  • Locking mechanism: levers with multiple locking points

  • Special seal for gas tightness

  • Opening sizes: 700-800x2000mm

MMD1 Safe Room Blast Door Hinged

MMD1-SPL Safe Room Door with Splinter Plate

  • Blast resistance: according to SI4422 

  • Gas tightness: Yes

  • Splinter protection: Yes

  • Leaf: Reinforced beams with steel panels + 15mm thick steel plate

  • Installation options: casting, right/left

  • Locking mechanism: levers with multiple locking points

  • Special seal for gas tightness

  • Opening sizes: 700-800x2000mm

MSD1 shelter door

MSD1 Shelter Door

  • Blast resistance: according to SI4422 

  • Gas tightness: Yes

  • Splinter protection: No

  • Leaf: Reinforced beams with steel panels

  • Installation options: casting, right/left

  • Locking mechanism: lever with multiple locking points

  • Special seal for gas tightness

  • Opening sizes: 800-1000x2000mm

MSD1-SPL blast door splinter

MSD1-SPL

  • Blast resistance: according to SI4422 

  • Gas tightness: Yes

  • Splinter protection: Yes

  • Leaf: Metal plate 25mm / 32mm

  • Installation options: casting, right/left

  • Locking mechanism: lever with multiple locking points

  • Special seal for gas tightness

  • Opening sizes: 700-1000x2000mm

SI 4422 Shelter Doors & Hatches Offer

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