Acoustic door wooden door steel noise noise noise door door cinema 
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 "Acoustic fire door" 
 "Acoustic fire door" under "and other sound transmission" principle, with reference to international standard 694-M1021 design, the door is double steel composite structure (or stainless steel), fire filled the porous sound-absorbing material, door thickness 80-100mm. Of 31.5 ~ 4000HZ sound insulation performance in a significant low-frequency noise, and has the dual properties of fire. 
 "Acoustic fire door" cold rolled steel door leaf made of steel, the surface layer of thin steel (stainless steel), and with the fire of the porous sound-absorbing material as a filler to obtain high sound damping characteristics of small coupling; door Tang, lintels and thresholds are steel with profiles to ensure sufficient strength and support stiffness; installed around the double doors of the Mouth of the special elastic (or non-combustible seal gasket) and the clamping device, the complete elimination of "holes" and the "gap" from the leakage of sound, all materials, fire-resistant materials, sound insulation, fire doors can be installed on the surface of vinyl, aluminum and other high-level decorative materials without affecting its noise performance. "WXM-acoustic fire door" noise gate on the size and sound insulation performance requirements according to noise level, the installation space, fire rating and other selected; heavy fire door insulation temperature 300 ℃ ~ 950 ℃, can withstand the aerodynamic load 1000N / m2, open life of less than 120,000 times, the maximum transmission loss is 15-60dB (A), provides third-party national statutory noise, fire inspection report. 

 Fire door technical performance of noise parameters (carbon steel, stainless steel) 

 Parameters 
 Type the amount of noise dB (A) door thickness (mm) frame size (mm) 
 W × H 
 WXM-1000 × 2000 30-50 80 1000 × 2000 
 WXM-1800 × 2000 30-50 80 1800 × 2000 
 WXM-2800 × 3050 30-50 100 2800 × 3050 
 WXM-3000 × 3800 30-50 100 3000 × 3800 
 Note: 1, sound volume, size specifications, materials, design according to user requirements; 
 2, the amount of noise 40dB (A) above to be a special custom-made, and suggested "sound gate" type. 

 Frame choice: 
 Swing door frames and all types of buildings according to the function can select different features and specifications, the common specifications such models 75,90,100,114,120, including wall thickness of the wall frame set according to common specifications, see the left side of the door frame diagram, special specifications according to customer requirements or design custom. 

 Technical specifications: 
 Multi-door models BAOER reinforcement filler door, thermal insulation filler 
 Special honeycomb core 
 Order Size W × H (mm) 600 ~ 2000 × 1400 ~ 4000 Thickness (mm) 40,45,50,55 
 Standard door frame 45 or 90 corners, 
 Galvanized steel, primed on both sides of hem 
 Special specifications on angle frame, 1.5mm thick 
 Galvanized steel, primed thickness (mm) 0.8 ~ 1.2 
 EPDM seal seal galvanized steel surface treatment, primer treatment 
 Hinge hinge 2 to 4 standard safety pin 2 
 The anchored wall anchoring bolt handle design round handle, with a short drive or split 
 Fold the bottom of the base standard door lock bolt retracting 
 Sound insulation according to the special design requirements, or spring hinge door locks 
 Insulation or insulation fire rating based on functional glass window size (mm): 220 × 620 
 Specific requirements under the order 

 Acoustic door and the noise observation window 
 Sound insulation doors, door frames and walls and roof insulation board used the same structure. Doors open space to meet the user requirements, the internal sound-absorbing cotton padding or PU. The whole sound of the door is a double magnetic gasket or seal by the appropriate sound to achieve the airtight. 
 In the bottom of the door closed compression noise design, the sealed design uses compression to adjust the top hinge screws in the door frame to do the vertical adjustment of the entire movement. 
 The sound of the door panels is STC47 minimum eligibility criteria based on ASTM E90 and ASTM E413 test standard. 
 Noise observation window: The installation of double-sided glass, glass thickness of at least 10mm, the cracks in the glass around the synthetic rubber liner to be sealed. Distance between double glazing 60mm. In its dissection of temperature and pressure to install galvanized cold rolled acoustic sound isolation panel box. 
 Meet the national standard GB/T16403-1996 "pure tone air and bone conduction threshold audiometry, the basic" standard. 
 Performance indicators: 
 Shielding effectiveness of noise insulation and humidity illumination steel wooden door 
 ≥ 70dB ≤ 20dB 45 ~ 65% 200Lx 20 ~ 30dB (A) 20 ~ 25dB (A) 20 ~ 30dB (A) 
 Manufacturing Process: 
 With 1.5mm thick cold rolled steel, with added sound-absorbing cotton molding, multi-layer insulation structure to withstand high temperatures and aerodynamic load of gas. The door when the door is open the whole muffler floating, closed magnetic sealing trim is completely closed to ensure the elimination of marginal leakage of sound intensity to meet operational needs. 
 Application: 
 Pure tone audiometry, tinnitus check, hearing aids, auditory brainstem response, otoacoustic emissions, sound field audiometry, etc. 


 Function: 
 Wood doors are widely used in office buildings, hotels, residential and other buildings, the appearance of facing a great variety; visual environment according to different requirements of the design into a variety of styles. Wooden fire door by the fire door core, fire boards and decorative panels composed of technology, the doors are divided into solid wood around the edge and under the style of patch edge; frame can be divided into wood frame, steel frame. According to the decoration quality requirements, plus Door decoration. 



 Standard configuration: 
 Gate type according to the design 
 Thickness of 40,45,50 
 According to design decorative panel doors 
 Strengthening the internal wood keel keel 
 According to functional requirements within the filling 
 Hinge Stainless Steel / Galvanized 
 According to the functional requirements of the lock 
 Door Size: 
 Determined according to design single door 
 Double-door design be based on 


 Fire doors fire doors hinge section of wood 


 Fire doors fire doors door frames section 

 Steel blast doors 
 Refers to steel material of the door frames, doors and frames, doors can be filled with insulation material inside the body, and supported by hinges, locks, vent wave device, grounding device such as the composition of effective anti-static lock, no door Explosion point . Code name FBM. 
 Steel Blast Doors 
 Refers to steel material of the door frames, doors and frames, doors can be filled with insulation material inside the body, and with a special hinge, multi-point lock linked points, bolt uprising, uprising in the very, escape lock, door lock consisting of effective resistance to shock loading door. Code name KBM. 
 Steel door vent 
 Refers to steel material of the door frames, doors and frames, doors can be filled with insulation material inside the body, and with a special hinge, escape locks, vent devices, door closers, locks spilling the composition of effective shock loading door. Name, code-named XBM. 
 Steel Blast Window 
 Refers to steel material of the window frames and mullions and Wang Ting, and with a certain shock loading resistant vitreous integrity requirements of the window. Name, code-named KBC. 
 Steel window vent 
 Refers to steel material of the window frames and mullions and Wang Ting, and with a certain shock load resistant vitreous or lightweight materials, special hinges, vent explosive device, consisting of anti-splash device can effectively dumping the full load blast requirements of the window. Code name XBC. 
 Bullet-proof steel doors and windows 
 Refers to steel material of the doors, window frames and panels, and with a resistant. Penetration and splashes of special materials, special accessories, such as the composition of the integrity of the requirements of the doors and windows. Name, code-named FDM or FDC. 


 Window Size: 
 With hole size (width × hole hole height, unit mm) said. 

 Material properties: 
 ◆ selection of high quality galvanized steel, stainless steel or wood and other materials. 
 ◆ door insulation material filling the cavity, material bulk density within the control 50-100kg/m3. 
 ◆ doors are equipped with soundproof seal surrounded by dedicated hardware accessories, to ensure that the door sound effect. 
 ◆ Door thickness determined depending on the desired noise index, the conventional indicators of noise 30dB, 40dB, 50dB, 60dB, 70dB, 80dB, 90dB, 100dB. 
 ◆ Door open form factor specifications and methods according to customer requirements. 
 ◆ require high volume of noise can choose two-channel sound of the door lock.