PVCcomposite insulated rectangle air duct

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Product Description:

IN008

A steel wire helix as framework,

single-ply aluminum foil jacket,

black PVC rectangle core,

filled with fiberglass scrim.

PROPERTIES

VALUE

DIAMETER RANGE

80-1200MM

TEMPERATURE RANGE

-30-+140

WORKING TEMPERATURE

2000Pa

BENDING RADIUS

0.54*D+25MM

THICKNESS OF FIBERGLASS INSULATION

25MM

DENSITY OF FIBERGLASS INSLUATION

16-24KG/M3

STANDARD LENGTH

10M OR 7.6M


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Q:Air conditioning machine work when the sound is too much reason
This is based on the density of benzene board decision, not what you said, know it buddy.
Q:Public building design, the building structure and water is generally designed by the Architectural Design Institute, air conditioning and ventilation is based on the design of the interior? Or first air conditioning ventilation?
Aluminum alloy metal shell better than the plastic shell; we all know that most of the market is now charging the lithium battery, lithium battery is the only drawback is the possibility of a long time with the explosion, so the use of aluminum Alloy shell, much better than steel; polymer battery is good, but the price is expensive,
Q:Space blowing wind is not cold how is it?
The general level of more than 12 layers when you need to use.
Q:Air conditioning ventilation when the sound is a big reason
According to my specific circumstances, in the following seven major hazards include the division, sub-project focus on control
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: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: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:External wall insulation method of operation There are several combinations of materials
Seeking the existing building construction specifications Daquan! The The @ .com
Q:Single cold air conditioning function can not change the cold and warm?
So good, then you recommend more. Give an address. You are not layman, too modest.
Q:The United States direct mail dyson hp01 Dyson air purification cooling machine triple in the country to warranty it
Among them, the extruded polystyrene gypsum composite board is based on paper gypsum substrate, the use of adhesive and extruded polystyrene board through the factory processing compound

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