The DFD series thread connection 2/2-way solenoid valve is a high-performance, widely applicable pilot-operated automated control valve. Depending on system control configurations, it is available in normally closed (opens when energized, closes when de-energized) and normally open (closes when energized, opens when de-energized, designated with a "K" suffix) types. Featuring a standard pipe thread connection structure, it greatly simplifies the installation process in industrial and civil piping systems. Its core design focuses on high flow rates, low pressure drops, and bubble-tight shut-off performance, enabling rapid and reliable on-off control for various media including water, liquids, gases, and light oils (≤ 20 cSt). The valve body options include premium brass, SS304, and SS316 stainless steel. Coupled with a highly efficient electromagnetic coil actuator, it ensures absolute safety and an extended service life for piping systems under high-frequency switching and thermal shocks alternating from -20°C to 65°C.

Product Image:DFD Threaded 2-Way 2-Position (Normally Closed) Solenoid Valve

Feature

Rapid Threaded Integration: Uses international standard pipe thread interfaces (such as G or NPT) to allow quick and convenient installation and disassembly within confined spaces without complex welding or flanging processes, significantly improving modular maintenance efficiency.

Efficient Pilot-Operated Drive: Employs a pilot-operated diaphragm structure that utilizes the medium's own differential pressure to effortlessly open and close large-orifice valves. The coil has low power consumption, rapid action, and high responsiveness. The normally open and normally closed models perfectly match different fail-safe modes.

Excellent Media Compatibility: Offers multiple valve body materials including brass, 304 stainless steel, and 316 stainless steel. The sealing pair utilizes high-performance elastomers or modified FKM, ensuring no impurity precipitation during long-term contact with water, gas, or light oil, thus maintaining high media purity.

Precision Leak Prevention & Longevity: The valve body flow channels are optimized via computational fluid dynamics (CFD) to provide ultra-high flow capacity and minimal pressure drop. Combined with precisely machined pilot holes and balance holes, it supports nominal pressures from 0.3 to 16 bar, guaranteeing tight, zero-leakage closure.

Lightweight & Compact Footprint: Specifically developed for modern, high-density fluid piping and equipment integration, it dramatically eliminates the redundant volume and weight of traditional automated valves, offering extreme flexibility for complex spatial layouts.