Service - Shenzhen Biteman Technology Co., Ltd.

Technical Standard

ISO 8573-1:2010 "Compressed Air Pollutants and Purity Grades", GB/T 13277.1-2023 "Compressed Air Pollutants Purification Grades", JB/T-2007 "Air Media Quality Grades for Pneumatic Components and Systems", Q/ 440306BT0023-2022 "Technical Specification for Core Adsorption Dryer", Q/440306BT0022-2022 "Technical Specification for Drying and Purifying Integrated Machine"

Impurities and purity grades according to ISO 8573-1:2010.

Grade	Compressed air purity class of particles			humidity	maximum oil content
level a	Maximum particle size in cubic meters as a function of particle size, db			Maximum pressure dew point
level a	0.1μm ≤0.5μm	0.5μm ≤1.0μm	1.0μm ≤5.0μm
0	Requirements higher than 1st class as specified by equipment user or supplier			User specified	User specified
1	≤20000	≤400	≤10	≤-70℃	≤0.01mg/㎡
2	≤400000	≤6000	≤100	≤-40℃	≤0.1mg/m³
3	A/R	≤90000	≤1000	≤-20℃	≤1mg/m³
4	A/R	A/R	≤10000	≤-3℃	≤5mg/m³
5	A/R	A/R	≤100000	≤+7℃	——
6	——	——	——	≤±10℃	——
	Grades 6 and 7 depend on maximum particle size and maximum density. Grade 6:d≤5μm，density ≤5mg/m³ Grade 7:d≤10μm，density ≤10mg/m³			Grades 7 and 9 depend on the liquid water content contained. Grade 7:Cw5≤0.5g/m³ Grade 8:0.5g/m³＜Cw≤5g/m³ Grade 9:0.5g/m³＜Cw≤10g/m³

The quality grade of air medium used in common pneumatic components.

Commonly used pneumatic components ranking			Air medium quality grade
Commonly used pneumatic components ranking			Solid particles	Water vapor	Oil
Cylinder (reciprocating)			≤4	≤3	≤5
Heavy Duty Air Motor			≤4	6~1	≤5
Lightweight Air Motor			≤3	3~1	≤3
Jet element			≤2	2~1	≤2
Pneumatic logic components			≤4	≤6	≤4
Pneumatic reversing valve	slide valve	gap seal	3~2	3~2	4~3
	slide valve	Elastomeric seal	5~4	3~2	4~3
	cut-off		≤3	≤3	≤5
Pneumatic flow, pressure and other control valves			≤4	≤3	≤4

The quality grade of the air medium used in general pneumatic systems.

System name	Air medium quality grade
System name	Solid particles	Water vapor	Oil
General workshop	≤4	≤6	≤5
Mechanical parts purging	≤5	≤6	≤5
foundry machinery	≤4	≤3	≤5
welding machinery	≤4	≤3	≤5
General machine tools	≤4	≤3	≤5
General Packaging Machinery	≤4	≤3	3~2
sandblasting	—	≤6	≤3
mining machine	≤4	≤3	≤5
Air loom	≤2	≤3	≤4
Precision Machinery Manufacturing	≤2	≤2	≤4
spray paint	≤3	3~2	1
Food and beverage processing	≤2	≤3	1
General Electronic Devices	≤2	≤2	≤4
photographic film manufacturing	1	1	1

Consumables and Solutions

Compressed air system overall solution

Pre-sales technical support

In order to help you build a better compressed air aftertreatment and purification system, our (Biteman) sales staff will provide a free dew point inspection service at home before developing a solution, and design the most suitable problem solution according to the customer's specific industry application requirements; In addition, professional technicians should be selected for technical exchange and technical communication.

In-sale service tracking

In the process of equipment manufacturing, seriously implement the manufacturing requirements of ISO9001 quality system and strictly control each manufacturing link; Conduct daily inspections, electrical action tests, process training stable operation tests, air tightness tests, etc.

After-sales value-added services

The purchase of Biteman brand Desiccant Cartridge and high-efficiency precision filter products shall comply with the standard configuration requirements of our company (Biteman) for air compression post-treatment, and the system configuration is perfect; For customers who conduct standardized operation, regular maintenance and replacement of Biteman original consumables in strict accordance with the relevant product guidelines and instructions, our company (Biteman) will provide After-sale lifetime maintenance services for life in order to ensure the long-term, stable and effective operation of the equipment and the interests of customers.Note: consumables include adsorption mold core (three years), filter element (the service life of grade P, U and H grade filter element is one year, and that of grade F grade filter element is 6000 ~ 8000h), silencer (one year), control filter element (one year) and solenoid valve silencer.