Brass 2/2-Way Pneumatic Valve

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Q22HD Series

Direct Acting, Double Acting
Port Size: 1/8"–1"
Fluid Temperature: -5°C to 80°C (120℃ optional)
Operating Pressure: 0–1.0MPa
Media: air, water, oil, gas

Q22HD series pneumatic valve features a unique dual port design, providing both side and top exhaust options to achieve optimized flow performance in limited spaces. This valve meets the international explosion-proof environmental equipment standards for safe operation, and is easy to maintain—a reliable pneumatic control solution compared to traditional valves that are difficult to apply in a hazardous environment.

Features

Compact pneumatic actuator with dual-threaded ports on the top and side, achieving minimal installation dimensions
Multiple sealing material options (e.g., NBR or PTFE) for different temperature conditions (80°C/100°C/180°C)
Non-electric pneumatic control valve suitable for flammable and explosive hazardous areas
Simple structure, easy maintenance, and quick inspection and replacement for internal components
Features low-pressure start and high-sensitivity closing, ensuring tight sealing and unrestricted media flow
Flexible installation at any angle, and reliable dual-direction sealing unaffected by flow direction during operation
Optimized flow path and exhaust design that minimizes back pressure and enhance response speed

Applications

Oil and natural gas equipment
Mining machinery
Marine and ship systems
Mobile machinery and vehicles
Food and pharmaceutical equipment
Industrial washing equipment
Petrochemical and metallurgical equipment
Spray system

Dimensions (mm)

Model	A	B	C	D	M	E	Weight (g)
Q22HD-15	96	47	31	26	G1/8	G1/2	250
Q22HD-20	102	54	31	33	G1/8	G3/4	330
Q22HD-25	115	66	38	39.5	G1/8	G1	490
Q22HD-35	143	77	46	48	G1/8	G111/4	820
Q22HD-40	160	86	56	54	G1/8	G111/2	1050
Q22HD-50	182	116	69	67	G1/8	G2	1680

Specifications

Category	2/2-way pneumatic valves
Mode of operation	Direct acting	Port size	1/8"–1"
Series	Q22HD	Function	Double acting
Body material	Brass	Wiring	None
Control method	Pneumatic control	Protection level	IP65
Operating pressure	0-1.0MPa	Mounting	Bracket required
Sealing material	NBR, PTFE	Recommended installation method	Horizontally
Fluid temperature	-5°C to 80°C (120℃ optional)	Thread options	BSP, NPT thread