Vacuum pump manufacturers

The word "vacuum" comes from the Greek word for "nothingness". The research and application of vacuum on human being has a long history. Today, vacuum technology as an application of science on human life has played a huge role has made us wonder. In short, today's world, from scientific research, production to daily life, almost all of which are closely related to the vacuum, the application of vacuum technology has penetrated into all fields, become an indispensable application of science. Below I will list our country's vacuum standards:

1 GB913-66 pump classification and technical conditions

2 GB4844-84 helium

3 GB4845-84 helium acceptance method

4 GB4982-85 clamping vacuum quick release flange

5 GB4983-85 screw type vacuum quick release flange

6 GB6071.1-85 ultra high vacuum flange structure type

7 GB6071.2-85 ultra high vacuum flange dimensions

8 GB6071.3-85 ultra high vacuum flange copper gasket

9 GB6306.1-86 variable capacity vacuum pump pumping rate (volume flow rate) test method

10 GB6306.2-86 variable capacitance vacuum pump limit pressure test method

Test method for power consumption of 11 GB6306.3-86 variable capacitance vacuum pump

Test method for working temperature of 12 GB6306.4-86 variable capacitance vacuum pump

13 GB6307.1-86 steam flow vacuum pump exhaust rate (volume flow rate) test method

Test method for critical pre pressure of 14 GB6307.2-86 steam flow vacuum pump

15 GB6308.1-86 rubber seal vacuum gauge connector

16 GB6308.2-86 metal seal vacuum gauge couplings

17 GB7772-87 variable capacitance vacuum pump noise measurement method

18 GB7773-87 variable capacitance vacuum pump vibration measurement method

19 GB7774-87 turbo molecular pump performance test method

Test method for heating time and heating power of 20 GB7775-87 steam flow vacuum pump

21 GB7776-87 steam flow vacuum pump pump reflux test method

22 GB9445-88 nondestructive testing personnel qualification rules

23 GB14174-93 nitrogen free liquid container

24 GB16774-97 self pressurized liquid nitrogen biological container

25 GB18442-2001 cryogenic pressure vessel

26 GB/T 3163-93 vacuum technical terms

Graphical symbols for 27 GB/T3164-93 vacuum technology system diagrams

28 GB/T5458-97 liquid nitrogen biological container

29 GB/T6070-95 vacuum flange

General specification for 30 GB/T11164-99 vacuum coating equipment

31 GB/T12604-95 nondestructive testing terminology leak detection