Announcement! Dofun Recognized Again as a “Shandong Provincial Specialized, Sophisticated, Distinctive, and Innovative Enterprise,” Driving High-Quality Development Through Continuous Innovation

Announcement! Dofun Recognized Again as a “Shandong Provincial Specialized, Sophisticated, Distinctive, and Innovative Enterprise,” Driving High-Quality Development Through Continuous Innovation

Introduction We are proud to announce that Shandong Dofun Refrigeration Technology Co., Ltd. has been recognized once again as a […]

Valve Installation “Pitfalls” Guide: Common Mistakes (e.g., Excessive Torque, Reverse Flow) and Their Consequences

Valve Installation “Pitfalls” Guide: Common Mistakes (e.g., Excessive Torque, Reverse Flow) and Their Consequences

Introduction Proper valve installation is critical for ensuring long-term reliability and performance in any fluid system. Even the highest-quality valves […]

The Digital Transformation of a “Hidden Champion”: A Look Inside Dofun’s Smart Manufacturing Factory Empowering Precision Valve Production

The Digital Transformation of a “Hidden Champion”: A Look Inside Dofun’s Smart Manufacturing Factory Empowering Precision Valve Production

Introduction In the heart of Liaocheng, where ancient canal culture meets modern industry, Shandong Dofun is redefining what it means […]

Ensuring Sterility in the Pharmaceutical Industry: How Dofun’s Sanitary Diaphragm Valves Meet ASME BPE Standards and SIP Requirements

Ensuring Sterility in the Pharmaceutical Industry: How Dofun’s Sanitary Diaphragm Valves Meet ASME BPE Standards and SIP Requirements

Introduction In pharmaceutical and bioprocessing applications, maintaining sterility is not just a requirement—it’s a matter of patient safety. Dofun’s sanitary […]

Complete Breakdown of the Low-Temperature Alloy Precision Casting Process: From Mold to Finished Product—Ensuring Valve Reliability at -46°C

Complete Breakdown of the Low-Temperature Alloy Precision Casting Process: From Mold to Finished Product—Ensuring Valve Reliability at -46°C

Introduction In the field of industrial refrigeration and low-temperature applications, the reliability and sealing performance of valves are critical to […]

Exciting News: Dofun Granted Three New Invention Patents, Continuing to Lead Valve Technology Innovation

Exciting News: Dofun Granted Three New Invention Patents, Continuing to Lead Valve Technology Innovation

Introduction We are proud to announce that Shandong Dofun Refrigeration Technology Co., Ltd. has been granted three new invention patents […]

Demystifying Valve Interface Specifications (e.g., PN40, PN63): How to Ensure Compatibility in Piping Systems

Demystifying Valve Interface Specifications (e.g., PN40, PN63): How to Ensure Compatibility in Piping Systems

Introduction Valve interface specifications form the critical link between components in any fluid handling system. Misunderstanding specifications like PN (Pressure Nominal)​ […]

The New Era of Green Refrigeration: The Critical Role of Valve Technology in Enhancing System Energy Efficiency

The New Era of Green Refrigeration: The Critical Role of Valve Technology in Enhancing System Energy Efficiency

Introduction The global refrigeration industry is undergoing a fundamental shift toward sustainability, driven by stricter environmental regulations and rising energy […]

How Large-Scale Cold Chain Logistics Centers Achieve Energy Savings and Temperature Stability Through Precision Control Valves

How Large-Scale Cold Chain Logistics Centers Achieve Energy Savings and Temperature Stability Through Precision Control Valves

Introduction Large-scale cold chain logistics centers face the dual challenge of maintaining precise temperature control while minimizing energy consumption. Even […]