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High Quality Drop Down Seals for Fire Doors
Product Advantage;
1) Super silent concept, specially for silent door.
2) The humanized design plunger, no matter how short it is exposed, easy to pull out and adjust.
3) The better mute performance ; the lifting mechanism won’t make a sound while using.
4) Cladding type lifting mechanism, better soundproof and sealing performance. D type sealing strip without wings can also be selected to cleanroom, operating room and other environmental requirements.
5) Internal four-bar linkage mechanism, flexible movement, stable structure, stronger anti – wind pressure.
6) Diversified installation, brackets installation, also can extracted the lifting mechanism to install on the top of door bottom.
7) Internal case can be draw out as a whole, convenient to install and maintenance.
8) Optional anti-dispute button component, the main body can be installed in advance, but can not be used normally, after the end of the project or the elimination of the dispute, can be directly inserted into the button component, normal adjustment use. Simple and convenient.
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Best-Selling Intumescent Fire Proof Seal Strip for Fire Rated Door
Product Advantage；
1) Coils packing,no waste.
2) 30 times expantion .
3) The lower expansion temp.is 180℃to 200℃.
4) Colorful coating by co-extrusion.
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OEM Manufacturer Aluminium Automatic Drop Down Door Bottom Seal Concealed Door Drop Seal
Product Advantage;
1) Super silent concept, specially for silent door.
2) The humanized design plunger, no matter how short it is exposed, easy to pull out and adjust.
3) The better mute performance ; the lifting mechanism won’t make a sound while using.
4) Cladding type lifting mechanism, better soundproof and sealing performance. D type sealing strip without wings can also be selected to cleanroom, operating room and other environmental requirements.
5) Internal four-bar linkage mechanism, flexible movement, stable structure, stronger anti – wind pressure.
6) Diversified installation, brackets installation, also can extracted the lifting mechanism to install on the top of door bottom.
7) Internal case can be draw out as a whole, convenient to install and maintenance.
8) Optional anti-dispute button component, the main body can be installed in advance, but can not be used normally, after the end of the project or the elimination of the dispute, can be directly inserted into the button component, normal adjustment use. Simple and convenient.
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High Quality Concealed Installation Aluminum Automatic Drop Down Door Bottom Seal
Product Advantage；
1) The super narrow size of 8mm wide solves the problem that the bottom of the ultra-thin door and the flat door with tongue-and-groove is not wide enough to install the automatic door bottom seal.
2) Double-sided tape installation, can also be used for aluminum alloy door bottom soundproof and sealing.
3) Unique structure design, compact and flexible and stable function.
4) Stainless steel can lock automatically after adjustment,not loose, Durable and stable sealing effect.
5) Simple and convenient installation. Double-sided tape installation or install with bracket.
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Best-Selling Concealed Automatic Door Bottom Seal Under Door Drop Down Seal
Product Advantage;
1) Super silent concept, specially for silent door.
2) The humanized design plunger, no matter how short it is exposed, easy to pull out and adjust.
3) The better mute performance ; the lifting mechanism won’t make a sound while using.
4) Cladding type lifting mechanism, better soundproof and sealing performance. D type sealing strip without wings can also be selected to cleanroom, operating room and other environmental requirements.
5) Internal four-bar linkage mechanism, flexible movement, stable structure, stronger anti – wind pressure.
6) Diversified installation, brackets installation, also can extracted the lifting mechanism to install on the top of door bottom.
7) Internal case can be draw out as a whole, convenient to install and maintenance.
8) Optional anti-dispute button component, the main body can be installed in advance, but can not be used normally, after the end of the project or the elimination of the dispute, can be directly inserted into the button component, normal adjustment use. Simple and convenient.
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Top Suppliers Automatic Drop Down Morticed Door Bottom Seal
Product Advantage;
1) Consealed type, easily install with end cover plate or both bottom wings.
2) Unique design, M type spring with reinforced nylon structure, stable performance.
3) Nylon or copper plunger is available depending on the whole style of the door.
4) Silicone rubber sealing , high temperature resistance, aging resistance.
5) Fire strips can be added on the bottom wings of both sides to achieve fire protection function.
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Good quality Conceal Mounted Aluminum Door Bottom Door Drop Down Seal
Product Advantage;
1) Consealed type, easily install with end cover plate or both bottom wings.
2) Unique design, M type spring with reinforced nylon structure, stable performance.
3) Nylon or copper plunger is available depending on the whole style of the door.
4) Silicone rubber sealing , high temperature resistance, aging resistance.
5) Fire strips can be added on the bottom wings of both sides to achieve fire protection function.
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OEM Customized Automatic Door Bottom Seal Aluminum Automatic Drop Down Door Bottom Seals
Product Advantage;
1) Small size, compact and unique structure, small installation space, wide applications.
2) Top installation or install with brackets.
3) The top installation is convenient and diversified, extract the whole lifting mechanism to install, or only extract sealing strip to install.
4) Internal four-bar linkage mechanism, flexible movement, stable structure, stronger anti – wind pressure.
5) Stable and reliable big plunger, automatically locks after adjustment and does not loosen. Durable and stable sealing effect.
6) Optional for stainless steel bracket or Nylon decorative end cap.
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Professional China Wooden Door Bottom Sweep Automatic Aluminum Drop Down Door Seal
Product Advantage;
1) Heavy Duty type can be used in factories, garages and other oversize doors.
2) Unique design, special spring with swing block structure, stable and durable, strong compressive ability, excellent performance.
3) Huge EPDM honeycomb foam rubber seal makes soundproof better.
4) Installed by the bottom wing with screws and collocate aluminum alloy decorative plates at both ends.
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Top Quality Drop Down Seal for Door Automatic Drop Down Door Bottom Seal
Product Advantage;
1) Concealed type, install with bracket, simple and convenient.
2) Unique design, M type spring with reinforced nylon structure, stable performance.
3) Nylon or copper plunger is available depending on the whole style of the door.
4) Silicone rubber sealing , high temperature resistance, aging resistance.