Air separation units standard gas
Package: 2L,4L,8L,40L aluminium cylinder and steel cylinder Standard filling pressure: 9.5Mpa Valve: depends on customers requirements The composition name and concentration range may be made according to the requirement.
Customize Calibration Gas
The most important factor, especially in the field of calibration of analytical instruments is periodic calibration to specific standards in order to ensure exact results. We offer from simple binary mixture to more complex multi component mixtures with degree of accuracy and reliable delivery schedule to ensure complete customer satisfaction.
Hangzhou Best gas supplies an extensive range of calibration standards according to individual customer requirements comprising of various components.
- More than 38 years experience in gas industry
- Strict quality control system
- Strong supply ability
- Quick delivery and good service
- Pass the ISO 9001:2015 Certificate
- What's your product price?
Because each gas price is depends on the market supply and demand, quantity and
purity, it is difficult to give a fixed price. If you have any interested in each gas, pls give
your details requirement. I could like to make an offer to you.
- What’s the min order?
Different products have different min order. Please don’t hesitate to let me know your
- What’s the delivery time?
If the cylinder is in the stock, and only need to fill gas, the delivery is about 10-15days
ex work after receive the deposit.
If the cylinder need to customize, the delivery is about 25-35 days ex work after receive the deposit. That is depends on the quantity.
- How to check the gas quality?
Firstly, our cylinder will take a treatment (cleaning, drying, vacuum pumping, and
replacement before filling gas. In this way, the cylinder inside is clear and dry.
Secondly, we will take tests every treated cylinder to assure them inside purity. Thirdly,
we will take a test for all of the gas after fill into cylinders. If the tested gas is not up to
standard, we will produce it again and not release the faulty product to ex work. At last,
we will supply you the gas test qualified report .
- All the cylinders can recycle?
Usually seamless steel cylinder can recycle to use in 20 years. The disposable cylinder
is only for use one time.
- Shall we send back the cylinders to China to refill gas again?
Yes, when you ordered our cylinders, next time, you can send back the cylinders to fill
gas again. You just need to tell us before you export. We will handle all the import