
Ouleikai Pneumatic Co., Ltd. has a history of 20 years in China. The plant covers an area of 12000 M², equipped with 280 CNC machine tools, 20 quality inspectors, 8 production lines, research and laboratory. The company adopts the production technology and scientific management methods of international advanced, the key components of the product all realize the computer aided design and production management,, imported from Europe and the United States, the main performance index of the products have reached the international advanced level.
The company's products, excellent quality, reliable performance, the general good, wide variety, complete specifications. The main products are series of pneumatic actuators, control components, auxiliary components, pneumatic machinery and pneumatic integrated system.
The company's designers are senior professional technical elite, the company of professional training, can the proprietary technology and the latest international technology into product design, is the first to ensure the company's products have reached the international advanced level.
OLK has passed CE Certification because of its good service and high quality. By now there are more than 200 agents and distributors in China and we are looking forward to approach more international market.
Main products:solenoid valve,air control valve,mechanical valve,cylinder,air source processor...







Modle | 4V210-08 |
Fluid | Air |
Action | Internal pilot type |
Valve type | 5/2 |
Effective area(mm²) | 14mm²(CV=0.67) |
Operating pressure | 0.15~0.8MPa |
Proof pressure | 15MPa |
Ambient & fluid temperature | 5~60°C |
Voltage range | ±10% |
Insulation grade | B grade |
Protection | IP65(DIN 40050) |
Connection | Lead wire type or teminal type |
Max.frequency | 3cycle/sec |
Body | Aluminum alloy |
Seal | NBR |
Working principle:









