Products Description

The 4H series pneumatic hand valves are designed to provide direct and reliable manual control of air flow in various industrial automation applications. Available in both 3/2 way and 5/2 way configurations, these valves are operated by hand levers or rotary handles, enabling quick and precise directional switching without the need for electrical or air pilot signals. Their robust construction and simple operation make them ideal for maintenance, emergency shut-off, and manual override functions in pneumatic systems. As a professional pneumatic supplier in China, we offer 4H series hand valves with competitive pricing and stable availability to support your production and equipment needs worldwide.

How to Order 4H Series Pneumatic Hand Valve
4H 2 30C 08 □
① ② ③ ④ ⑤
①Model	②Code	③Valve type	④Port size	⑤Thread type
4H:Manual return 4HA:Spring return	2:200 Series	10:5/2 Way 30C:5/3 Way closed center 30E:5/3 Way exhaust center	06:1/8" 08:1/4"	Blank:PT G:G T:NPT
	3:300 Series		08:1/4" 10:3/8"

Reach out today for full specifications, product catalogs, and the best pricing on 4H series pneumatic hand valves to improve the reliability of your automation systems.

4H Series Pneumatic Hand Valve Technical Parameters

4H Series Pneumatic Hand Valve Key Specifications
Model	210-06	230-06	210-08	230-08	310-08	330-08	310-10	330-10
Fluid	Air(to be filtered by 40μm filter element)
Operating	Manual control direct acting type)
Port size[Note1]	n=Out =Exhaust=1/8		n=Out=1/4"; Exhaust=1/8"		ln=Out =Exhaust=1/4"		n=Out=3/8"; Exhaust=1/4"
Orifice size(Cv) [Note3]	4H210-08:17.0mm²(Cv=1.0) 4H230C-08:13.6mm²(Cv=0.8)				4H310-10:28.0mm²(Cv=1.65) 4H330C-10:21.3mm²(Cv=1.25)
Valve type	5/2 way	5/3 way	5/2 way	5/3 way	5/2 way	5/3 way	5/2 way	5/3 way
Lubrication [Note2]	Not required
Pressure range	0~1.0MPa(0~145psi)
Proof pressure	1.5MPa(215psi)
Temperature	-20~70℃
Material body	Aluminum alloy
Operating angle	±15°	±8.5°	±15°	±8.5°	±18°	±10°	±18°	±10°