Good Quality PVC Flexible Duct

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Loading Port:: Guangzhou

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 20000m m/month

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Good Quality PVC Flexible Duct

Application and benefits

-Applied in air conditioning/ventilation systems

-Tear and puncture resistant

-Corrosion resistant

-High flexibility

-Convenient installation

-No toxic gas emission

Introduction

Flexible Duct is widely used in Heating, Cooling, and Air Conditioning (HVAC) systems for air ventilation applications. Flexible Duct provides greater thermal efficiency to save energy. Because it is flexible, it is easy to run around and through obstacles in the building.

PVC Un-insulated Flexible Duct

Structure: 1 layer aluminum foils +1 layer of PVC film.

Good Quality PVC Flexible Duct

Different sizes are avaiable.

Good Quality PVC Flexible Duct

Q:What is the whole heat exchange fresh air ventilator?: (GJG130 - Fan Jutang Duanjie Daojie Juejiao 2001) will be replaced by (GJG130-2011) is expected to begin the implementation of the construction of this year, the construction of fastener steel scaffolding safety technical specifications (GJG130), the construction of fastening steel pipe scaffolding safety technical specifications (GJG130- -2011)

Q:Air to water heater host and air conditioning host is not the same: This test with a small sample length 127mm, width 12.7mm, the maximum thickness of 3.2mm. In the absence of ventilation test chamber. The top of the specimen (6.4 mm place) is clamped with a clamp on the bracket and the longitudinal axis of the specimen is kept vertical. The lower end of the specimen is 9.5mm from the lamp tip and 305mm from the dry absorbent cotton surface. Bring the Bunsen burner and adjust it to produce a blue flame with a height of 19mm. Place the Bunsen Lights flame at the bottom of the sample for 10s, then remove the flame (at least 152mm away from the specimen) and write down the sample. Burning time. If the flame of the sample within 30s after removal of the flame is extinguished, the original lamp must be moved under the specimen again, re-ignite the sample for 10s, and then remove the Bunsen burner again and note the flame burning And flames burning the burning time. If the sample droplets drip, let it fall into the sample under the 305mm cotton, to see whether it ignited cotton. If the absorbent cotton is on fire, the rating should be taken into account. Specific grading indicators are as follows. Test Item 94V-094V-194V-21 Ten-time ignition Total flame burning time Maximum value (S) Individual flame burning time Maximum value (s) Flameless burning time (s) Yes Flame drop No No Allow only short time Burning general UL yellow card on the thickness of the test strip is divided into: 1/8 inch, 1/16 inch, 1/32 inch thickness, that is, 3.2mm, 1.6mm, 0.8mm three grades test.

Q:HVAC Heating: What are the main components of the air distribution system?: Geothermal construction, the heating pipe spacing can not be less than 100mm, the construction can not be achieved, big brother!

Q:US direct mail dysonhp01 Dyson air purification cooling machine triple in the country to warranty it: Embedded stove, such as the use of rubber tube connection, then the rubber tube in the platen, often subject to heat radiation easily aging; and aging, falling more difficult to find, so many local poisoning and other vicious accidents

Q:If I feel the room cool off, one hour hot and open an hour this will be more expensive? More: After learning that feel boring, to diverted it, brush point repair it. Architectural design institute will need to design equipment (that is, plumbing) design talent, that is, will generally participate in architectural design, the wages should be

Q:Gree air conditioning 50 heating and cooling mechanism heat when the host cooling network is how the matter: Extruded board of course, can generally use this to do, indoor and outdoor to do almost, most of the outside is done because of saving space inside the room. Recommended: do indoors, because I was doing the external walls, the insulation often do, the wall is not very good for the first time, because you do before the insulation wall itself is the weight of the valve valve closure of the bone shop stall wipes , Benzene board sticky benzene board is not very strong, live well for a few years, bad two or three years there will be signs of shedding, looking twice thinking.

Q:Ventilation is very good, why still have to install fresh air system: You are a single raft toilet wipes Pie Tanzhuang open card would like to confirm what? Contract notarization or. The The If it is contract notarized, generally notary value of 0.25% -0.3%

Q:External wall insulation method of operation There are several combinations of materials: 30-150 per square meter has, mainly to see the material, thickness and so on

Q:The installation method of ordinary air conditioner. The more detailed the better. Please thank you all: The basic operation of the same, but the different requirements of different professional, or to determine the direction of good, and then hands.

Q:Air conditioning ventilation when the sound is a big reason: Buried plastic pipe under external load, the diameter of the vertical diameter deformation rate should be less than the allowable diameter of the pipe deformation rate The diameter of the allowable diameter of the pipe shall not be greater than 5% The diameter deformation rate of the pipe and the allowable diameter deformation rate are calculated as follows: ε ΔD / D0 × 100% [ε] ε0 / K where: εΔD pipe in the combined load (Mm) [ε] Permissible diameter Deformation rate ε0 Elastic diameter Deformation rate (%) of pipe, by the flattening of the diameter of the pipe diameter (mm) The test determines the K safety factor, generally desirable 15

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