Wuxi Sanwei Hydraulic & Pneumatic Co., Ltd., located in the scenic Hudai Town of Wuxi City near the shores of Taihu Lake, is a specialized manufacturer of pneumatic components, hydraulic components, and water pressure cylinders. With a total investment of 60 million yuan and a registered capital of 10 million yuan, the company occupies an area of 18,000 square meters and employs 30 engineering and technical research personnel. By integrating advanced technology and comprehensive computer-aided analysis, Sanwei has developed unique production techniques and management methods for hydraulic cylinders, ensuring high quality and reliability. Their products are widely used in textile machinery, light industry machinery, and rubber tire machinery, with water pressure cylinders being extensively applied in the domestic tire vulcanizer industry. The company has established a robust quality assurance system and has obtained ISO9001 quality certification, reflecting its commitment to excellence. Comprehensive after-sales service has further garnered customer recognition.


Product Portfolio
Sanwei offers a diverse range of products, including pneumatic cylinders, hydraulic cylinders, and water pressure cylinders, catering to various industrial applications. Below is an overview of their main product categories and specific models:
- Water Pressure Cylinders
Water pressure cylinders are essential components in machinery requiring precise and robust pressure application, particularly in the tire vulcanization process. Notable models include:
SGSL Series:
SGSL 50×178
SGSL 100×203
SGSL 100×280
SGSL 100×1882
SGSL 150×420
SGSL 180×485
These models vary in specifications to meet different industrial requirements.
- Pneumatic Cylinders
Pneumatic cylinders are widely used in automation and machinery for linear motion control. Key models include:
QGBQ Series: Light pneumatic cylinders designed for applications requiring minimal weight without compromising performance.
QGA Series: Non-cushioned pneumatic cylinders suitable for operations where end-of-stroke cushioning is unnecessary.
QGB Series: Cushioned pneumatic cylinders that provide smooth deceleration at the end of the stroke, enhancing operational safety.
JB Series: Standard pneumatic cylinders known for their durability and versatility in various industrial applications.
QGBZ Series: Heavy-duty pneumatic cylinders engineered for demanding applications requiring higher force output.
QGA/QGB Series: General-purpose pneumatic cylinders available in both cushioned and non-cushioned variants to suit diverse operational needs.
- Hydraulic Cylinders
Hydraulic cylinders are critical in machinery requiring substantial force and precise control. Significant models include:
HSG Series: Engineering machinery hydraulic cylinders designed for robust performance in construction and heavy machinery.
DG Series: Vehicle-specific hydraulic cylinders tailored for automotive applications, ensuring reliability and efficiency.
Applications
Sanwei’s products are integral to various industries:
Textile Machinery: Providing precise motion control and pressure application essential for textile manufacturing processes.
Light Industry Machinery: Enhancing automation and efficiency in the production of consumer goods and packaging.
Rubber Tire Machinery: Particularly in tire vulcanization, where water pressure cylinders play a crucial role in molding and curing processes.
Quality Assurance
Sanwei emphasizes quality as the foundation of its operations. The company has established a comprehensive quality assurance system and has obtained ISO9001 quality certification, reflecting its commitment to excellence. Comprehensive after-sales service has further garnered customer recognition.
Conclusion
Wuxi Sanwei Hydraulic & Pneumatic Co., Ltd. stands as a reputable manufacturer in the hydraulic and pneumatic industry, offering a wide range of products tailored to various industrial applications. Their commitment to quality, innovation, and customer satisfaction positions them as a trusted partner for clients seeking reliable and efficient solutions in machinery and automation.
1. Water Pressure Cylinders
Water pressure cylinders are primarily used in tire vulcanization and other heavy industrial processes. Notable models include:
- SGSL Series:
- SGSL 50×178
- SGSL 100×203
- SGSL 100×280
- SGSL 100×1882
- SGSL 150×420
- SGSL 180×485
These models are customized to meet different industrial specifications and pressure requirements.
2. Pneumatic Cylinders
Pneumatic cylinders are used for motion control in automation systems. The main models are:
- QGBQ Series: Light pneumatic cylinders for applications needing reduced weight and compact design.
- QGA Series: Non-cushioned pneumatic cylinders suitable for general industrial use.
- QGB Series: Cushioned pneumatic cylinders offering smooth deceleration at the end of the stroke.
- JB Series: Standard pneumatic cylinders known for versatility and durability.
- QGBZ Series: Heavy-duty pneumatic cylinders designed for demanding tasks requiring higher force output.
- QGA/QGB Combination Series: Available in both cushioned and non-cushioned configurations for diverse applications.
3. Hydraulic Cylinders
Hydraulic cylinders are designed for tasks requiring high force and precision. Key models include:
- HSG Series: Engineering machinery hydraulic cylinders tailored for heavy machinery and construction equipment.
- DG Series: Vehicle-specific hydraulic cylinders optimized for automotive and transport applications.
4. Custom Cylinders
Sanwei also provides custom-designed cylinders to meet unique operational requirements. These include specialized models for:
- Textile Machinery: Cylinders tailored for precise control in textile production.
- Rubber Tire Machinery: Customized water pressure cylinders for the tire vulcanization process.
- Light Industry Applications: Cylinders designed for general manufacturing and packaging machinery.
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