YIEN automatic high-speed circular sawing machine adopts advanced automation technology, which can complete cutting tasks quickly and efficiently and improve production efficiency.
YIEN automatic high-speed circular sawing machine adopts precision cutting technology, which can achieve high precision cutting and ensure product quality.
YIEN automatic high-speed circular sawing machine adopts intelligent control system, which is easy to operate and does not require professional technicians to operate.
YIEN automatic high-speed circular sawing machine adopts multiple safety protection measures, which can guarantee the safety of the operator.
YIEN automatic high-speed circular sawing machine adopts modular design, easy maintenance, reducing maintenance costs and time.
YIEN automatic high-speed circular sawing machine is suitable for cutting various materials, such as metal, wood, plastic, etc., with a wide range of applications.
Cnc Sawing Machine,Metal Cutting Sawing Machine,High Speed Circular Saw Machine,Cnc Automatic Metal Circular Saw Machine Ningbo Yien Machinery Co., Ltd , https://www.yienmachinery.com
Advantages of YIEN high-speed circular sawing machines:
1. High efficiency:
2. High precision
3. Easy to operate:
4. High safety:
5. Easy maintenance:
6. Wide range of application:
Qyk21-25 Hydro-Pneumatic Pressure Switch Qyk21-25/Qyk21-40 Two Position Two Way Reversing Valve/Position Selector Valve Qyk21-25 Relief Valve Qyk21-40
The hydro-pneumatic pressure switch is a two-position, two-way reversing valve designed to control the operation of the pneumatic oil pump, enabling it to start and stop as required. This device is commonly used in systems where precise pressure regulation is essential, such as in blowout preventer (BOP) control systems.
Model numbers for this product are QYK21-25 and QYK21-40, making it suitable for double-seater applications. It is manufactured under the brand UPET and is packaged according to export standards, ensuring safe and efficient transportation.
The product's specifications include the model numbers QYK21-25 and QYK21-40, and it is produced in China. The HS Code for this item is 8431431000, which helps in international trade classification.
This pressure switch plays a crucial role in maintaining system efficiency and safety by responding to changes in hydraulic or pneumatic pressure. It is often used in conjunction with relief valves and position selector valves to ensure accurate control over fluid flow and pressure levels.
Below are some images of the product for reference:





Whether you're looking for a reliable solution for your BOP control system or need a high-quality pressure switch for industrial use, this product offers a dependable and efficient option.