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Q What is IP65 ?
A Ingress Protection (IP) ratings are developed by the European Committee for Electro Technical Standardization (CENELEC) (NEMA IEC 60529 Degrees of Protection Provided by Enclosures - IP Code), specifying the environmental protection the enclosure provides.
The IP rating normally has two (or three) numbers:
1) Protection from solid objects or materials
2) Protection from liquids (water)
3) Protection against mechanical impacts (commonly omitted, the third number is not a part of IEC 60529)
IP First number - Protection against solid objects
0 No special protection
1 Protected against solid objects over 50 mm, e.g. accidental touch by persons hands.
2 Protected against solid objects over 12 mm, e.g. persons fingers.
3 Protected against solid objects over 2.5 mm (tools and wires).
4 Protected against solid objects over 1 mm (tools, wires, and small wires).
5 Protected against dust limited ingress (no harmful deposit).
6 Totally protected against dust.
IP Second number - Protection against liquids
0 No protection.
1 Protection against vertically falling drops of water e.g. condensation.
2 Protection against direct sprays of water up to 15o from the vertical.
3 Protected against direct sprays of water up to 60o from the vertical.
4 Protection against water sprayed from all directions - limited ingress permitted.
5 Protected against low pressure jets of water from all directions - limited ingress.
6 Protected against temporary flooding of water, e.g. for use on ship decks - limited ingress permitted.
7 Protected against the effect of immersion between 15 cm and 1 m.
8 Protects against long periods of immersion under pressure.
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Q What's the Lubricator?
A It is equipment to inject the lubricant oil in to the air line , or the air tools.
Normally it was combined with the filter regulator.
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Q Do you supply the lubricant oil for the Air Lubricator?
A Yes , ISO VG32 or same standard .
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Q Where the compressed air filters were used ?
A 1. Used for the single machine : 
2.Used with the air tools : 
3. Used in the whole air line . 
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Q what's the compressed air filter
A The Compressed air filters are used to remove contaminates ,water,dust,solid particle,oil...
When the filer is combined with a regulator and an oiler, it is called an air set.
Air leaving a standard screw or piston compressor will generally have a high water content, as well as a high concentration of oil and other contaminants. There are many different types of filters, suitable for different pneumatics applications.
For example : For the single machine system
For the air tools
For the whole air line working
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Q The difference of air regulator and cheater valve
A Air Regulator we also called air prressure reducer :
For example : If the air source pressure is 1.0Mpa , through the air regulator we could keep the outputing pressure at a Specific valve, even there is air consumption.
But the cheater valve is similar a follow control valve , if there is no air consumption , the pressure of the both side of the chearter valve will be same .
Cheater Valve: 
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Q How many types of the air regulator?
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Q Where the air regulator was used ?
A Where the air regulator was used ?
With the small air pump whcih were most used in the house.
With the machine that need be actuated by pressured air .
With the Center Air Pump to ajust the output pressure for the whole air using system .Normally is the high pressure air regulator .
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Q What is air regulator ?
A The air regulator , were also called air pressure regulator .
It was used for adjust the output air pressure .
For example the input air pressure is 140 Psi , normally we could adjust the output pressure from 0 to 140Psi in the situation that there is no rate of flow .
When there is flow from the output side ,the pressure that showed by the pressure gauge may a little lower than we fixed .It is the normal situation .
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Q What Does FRL mean?
A What Does FRL mean?
Answer:
F. is the abbreviation of air pressure filter, which are used in the pressured air line, to filter the dust, water etc from the high pressure air .
R. is the abbreviation of air pressure regulator. Which to adjust the output air pressure . For example : the input air pressure is 0.8Mpa , and you want the output pressure 0.4Mpa , then we must use it .
L. is the abbreviation of air pressure lubricator, it supply the lubricating oil for the downstream equipment,
such as cylinders ....
So frl mean the air filter+regulator+lubricator.
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Q Do you test all your goods before delivery
A Yes, we have 100% test before delivery.
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Q Can we do OEM or ODM .
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Q How about your delivery time ?
A Generally, it will take 30 to 60 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
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Q How about the trading items ?
A EXW, FOB, CFR, CIF, DDU. are avalible .
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Q How should we do if we has the special request , or need ODM ?
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Q Any good policy for shipping?
A Yes, we have special discount from our forwarder that’s why your shipping cost would be affordable and intime.
Considering the small packages which need delivered by Express , we signed the strategy contract DHL . So the cost of post will much lower.
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Q what are the payment methods?
A Normally the payment will preferred by T/T,30% in advance, for small payment, paypal, west Union or moneygram are acceptable.
For brass material products , the amount of prepayment may be higher .
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Q How quality control is being executed?
A We are CE and ISO9001 certificated, if needed we could apply the UL certificate for the certain products , quality are always the most important issue of all.
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Q How to get sample? Any policy for samples?
A It an honor for us to get your request for our samples, so we are in pleasure to provide the sample for free if it is the standard product, and we also have good policy for special prodcuts. In a word, each of your needs are of most valuable matter for us.
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Q Why choose NEU-MASTER Industry ?
A NEU-MASTER Has the professional R&D team with 20 years experience . Has the advanced equipment and CNC machine . The most strict quality control system. We had developed the lots of products with work pressure more than 4000Psi . Our R&D service satisfied lot of customers with special request .
