The 0927 Series 2/2-Way Pilot Operated Normally Closed Diaphragm Solenoid Valve is a high-performance control valve specifically engineered for precision regulation in industrial automated fluid systems and modular pipeline skids. Spanning a nominal size range from DN10 to DN25, this series features a robust yet space-efficient mechanical design. It fully integrates and supports high-precision G and NPT connection standards, making it exceptionally seamless to adapt and replace within diverse international piping networks. Operating as a normally closed valve, it retains an airtight, reliable close-off state whenever power is disconnected, perfectly matching rigorous industrial safety protocols.

The internal mechanism utilizes an advanced, reinforced composite flexible diaphragm paired with a fluid-dynamically optimized pilot layout, ensuring remarkable responsiveness, minimal pressure drop, and exceptional opening/closing sensitivity across a wide operational pressure range of 0 to 8 bar. Forged from high-grade Brass, the valve body delivers superb burst strength and machining accuracy, welcoming universal compatibility with industrial water, standard liquids, ambient gases, and light oils. Engineered with a keen emphasis on anti-cavitation and debris resistance, this diaphragm series sustains exceptionally consistent control characteristics over prolonged high-frequency duty cycles, serving as a highly cost-effective and dependable component for modern fluid automation pipelines.

Product Image:0927 2/2-Way Pilot Operated Normally Closed Diaphragm Solenoid Valve

Multi-Standard Threads & Compact Layout:

Purpose-built for pipelines within the DN10 to DN25 medium-and-small spectrum, showcasing a highly optimized geometry that drastically reduces the installation footprint. Full alignment with international G and American NPT thread specs facilitates fast on-site assembly and instant domestic/global hardware interchangeability.

High-Reliability Normally Closed Safety Engineering:

Adopting standard normally closed electrical configurations, the valve delivers instantaneous opening strokes when energized, and promptly snaps back to a zero-leakage shut-off state via its heavy-duty return spring and media backpressure once power cuts out, effectively eliminating fluid loss and safety hazards during unexpected outages.

Pilot-Operated Efficient Diaphragm Mechanism:

The internal flow networks and large-flow pilot paths are meticulously balanced via advanced geometry, delivering clean and decisive strokes under a broad 0 to 8 bar working scope. Relying on differential pilot pressure, the valve demonstrates superior fluid-handling and close-off authority under larger flows and pressurized operations.

Premium Brass Body & Comprehensive Media Capability:

The valve bodies are precisely machined from superior high-density Brass, offering exceptional mechanical impact toughness and robust surface oxidation resistance. This structural stability provides highly dependable handling of industrial water, air/gases, and light oils, exhibiting comprehensive industrial adaptability.

Optimized Wide-Temperature Operational Stability:

Engineered to withstand prolonged operational exposure within a fluid and ambient temperature range of -5 to 80 ℃. The core sealing diaphragm and flexible internals benefit from advanced compound formulas, avoiding hardening, permanent set, or fatigue cracking under temperature swings to preserve long-term absolute sealing.

Structure Diagram:0927 2/2-Way Pilot Operated Normally Closed Diaphragm Solenoid Valve

Specification Sheet

Outline Diagram:0927 2/2-Way Pilot Operated Normally Closed Diaphragm Solenoid Valve

Outline Dimension Table   （Unit:mm）