Parker 7321B Series Solenoid Valve Catalog | BSP & NPT Brass

In industrial fluid management, the Parker 7321B/7322B Series represents the pinnacle of 2/2-way pilot operated technology, engineered to handle water, steam, and light oils with zero-compromise reliability. These valves provide an essential interface between electrical control systems and heavy-duty mechanical fluid regulation.

Product Overview

The 7321B and 7322B series are modular pilot-operated solenoid valves constructed with forged brass bodies and stainless steel internal components. By utilizing a high-performance diaphragm design, Parker has achieved exceptional flow rates (up to 80 m³/h) and rapid response times. The series is divided into Normally Closed (7321B) and Normally Open (7322B) configurations to suit varied safety and process requirements.

Typical Applications

• Water distribution and industrial irrigation networks
• Industrial washing and steam sterilization units
• Cooling systems for heavy machinery and machine tools
• Hydraulic and plumbing HVAC water management

Key Features & Benefits

• Exclusive Diaphragm Geometry: Higher flow rates compared to standard industrial valves of equal port size.
• Modular Coil System: Compatible with Parker FCSE modules for IP67 or ATEX environments.
• Wide Medium Compatibility: Seal options in NBR, EPDM, and FKM for temperatures up to 140°C.
• Anti-Water Hammer: Optional speed control on larger models to protect piping systems.

Product Range & Selection Guide