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Help CenterBrass Non-return Valve With Cooling Fin for Air Compressor
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Product Details
non-return valve for air compressor
On a piston compressors (you know, the ones with the piston that moves back- and forth), you will find check valves in several places.
First, there are 2 check valves, or sets of check valves used inside the piston head to control the airflow from and to the cylinder.
The air is sucked in through the inlet (check-) valve when the piston moves down. When the piston moves up again, the air is compressed and flows out of the cylinder through the second check valve: the outlet valves.
Now, what would happen if there wasn't a check valve on the inlet of the compressor? Air will follow the path of least resistance, which happens to be: back out through the compressor inlet! Not what we want of course. The check valves make sure that once air has been sucked into the cylinder, it is 'trapped' and cannot go back anymore.
That's already two check valves on your piston compressor! But there's one more! Where? Between the compressor and the compressed air receiver (the compressed air tank that the compressor is often mounted on).
This air compressor check valves makes sure that once air has been pumped into the air tank, it cannot flow back to the compressor when it shuts down.
On shut down, the pipe between the reciprocating piston compressor and the air tank (the 'discharge pipe') is 'blown down' by the blow-down valve (what else! ;) ) Blow-down simply means that any air pressure inside this pipe is blown-down to 0 bar pressure (this to help the compressor on start-up). The blow-down valve is often integrated in the pressure-switch.
The check valves which is installed between this pipe and the air tank makes sure that only the small pipe is blown-down and not the whole air tank.Actually, this is an often seen problem on many compressors.
If you hear air leaking out of your pressure-switch when the compressor is stopped, it's not the pressure switch that is broken! It is the check valve that is leaking air!
| NAME | non-return valve for air compressor | check valve | one way valve | |
| MATERIAL | BRASS | |||
| SIZE | below the table | |||
| SHAPE | Reducing | Equal | ||
| HEAD CODE | HEX | |||
| THREAD | NPT | BSPT | BSPP | G |
| CONNECTION | Male | Female | ||
| MEDIUM | Gas | Liquid | ||
| PRESSURE | High | |||
| Operating Temperature | High | |||
| Inspection and Testing | Control Strictness |
Technics : CNC / FORGED
Finishing : Nature brass / Nickelplated / Chrome plated / CUNSTOMIZED
OEM : ACCEPT
size : M-M M-F F-F
1/4''*1/4'' 3/8''*3/8'' 1/2''*1/2'' 3/8''*1/2'' 3/4''*3/4''
Delivery Time:7-15 DAYS
Meanwhile our factory can also according to the customer incoming sample or drawings .
1. Are you trading company or manufactures ?
We are manufactures , and our company was founded in 2004 .
2. Do you have stocks ?
Most conventional products have some stockiples , if you want to customized as your samples or drawings , it must be no inventory , but we can do it as soon as possible .
3. Can we order samples for testing ?
Of course,we focus on long-term cooperation , so the quality is very rigorous .
4. How about the delivery time ?
For regular products, we keep them in stock. In order to supply products to customer in time, our factory set a warehouse with 2000 square meters. We can meet the quickest shipment according to customers’ requirement.
5. How does your factory do regarding quality control?
Our products are mainly exported to Europe and America market. We do OEM for many famous brands in this field . Precision manufacturing and professional customization are Huading’s production characteristics. We control strictly in every step: choosing best material for our products, such as HP59-1 for our brass fitting, Automatic CNC manufacturing, and 100% test for air pressure and inspection for product appearance. Angricht—Global quality, Exclusive customization.
6. Why do you choose Huading as your long term supplier?
competitive price, excellent and stable quality, professional service team, fast delivery, good payment, big support for you to win more orders.
OUR COMPANY
Huading Pneumatic Machinery Co., Ltd was founded in 2004 , it locates in zhejiang province ,southeast of china . It is easily convenient for air ,land and sea . It specializes in priducing the high quality of pneumatic fittings , air compressor parts , quick couplers , blow guns , car repair tools , Valve and any other metal fittings .
Owing more than 100 employees , 6000 square meters plant area , 90 CNC lathes , 50 normal lathes , milling machines , drilling machines , high-frequency packaging machines ,laser marking machines .
Meanwhile our factory can also according to the customer incoming sample or drawings .
Our company is a regular metal accessories manufacturers , not a foreign trade company or the wholesaler, so on the premise of guarantee the quality of the product can do a bigger discount on the price.In the increasingly fierce market competition, many manufacturers choose to lower the quality of products, and compression cost as much as possible, so as to grab a bigger share of the market at low cost.But we always adhere to the principle of "Product Quality As The First Priority" concept, in order to produce the safest and the greatest assurance products for the society and the customer.We always believe only high quality products can get the market recognition and the majority of customers trust and support .
Advantages
1. ISO9001:2000 and TS16949 certificated.
2. OEM available.
3. More than ten years of sales and manufacture experience.
4.100% test for air pressure and inspection for product appearance before shipment.
5. Long lifespan, competitive price.
6. Good payment term.
7. Fast delivery.
8.Thread Standard: BSPP, BSPT, NPT, METRIC etc. Our products are exported to more than 30 countries in the whole world.
9. Our products are showed at Shanghai and Ningbo China fair etc each year.
10. Location advantage: Nearby Ningbo port, the second largest port in China, convenient transportation and low cost, and close to Shanghai, convenient for customers to visit our factory.
PROCESS
It's up to you .
our packaging
Our enterprise idea
Integrity and pragmatic
innvovation beyond
cooperation and win-win
Enterprise vision
To build the core competitiveness
To realize sustainable development
Create value for customers
Create opportunities for staff
To create benefits for society
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