2Q series vacuum air control valve is a kind of pneumatic valve, mainly used in industrial equipment to control the flow of gas or liquid. The valve body material is brass and the oil seal material is PTFE, which has good corrosion resistance and sealing. Its working medium includes air, water, oil and gas, and the action mode is direct-acting, which has simple structure, fast response speed and high reliability, and is suitable for working under vacuum, negative pressure, zero pressure and other environments. Widely used in various industrial automation control systems, especially in the need to control fluid flow occasions.
Product Parameters
Product Model | 2Q Series |
Valve body material | Brass |
Forms of control | Normally Open/Normally Closed |
Nominal pressure | ≤1.0Mpa |
Applicable medium | Water, Gas, Oil, etc. |
Applicable temperature | ≤80°C |
Product Size Reference

model number | A | B | C | D | E | F |
2Q160-15 | 63.5 | 84 | 54.5 | 75 | M5 | G1/2 |
2Q200-20 | 67 | 88.5 | 56 | 95 | G1/8 | G3/4 |
2Q250-25 | 88 | 96.5 | 76.5 | 95 | G1/8 | G1 |
2Q320-32 | 113 | 118 | 88 | 97 | G1/4 | G1-4 |
2Q400-40 | 112 | 128.5 | 92 | 116 | G1/4 | G1-1/2 |
2Q500-50 | 135 | 145 | 92 | 114 | G1/4 | G2 |














