The ZCF-X and ZCF-PX Series (DN15-50) Large Orifice Pilot-operated Diaphragm Type Anti-corrosive Explosion-proof Solenoid Valve is a premium, high-performance fluid control component explicitly engineered for mid-to-large diameter pipelines in punishing and hazardous environments. In sectors such as petrochemical refining, fine chemical distillation, semiconductor wet processing, pharmaceutical manufacturing, and continuous industrial wastewater treatment, there is a critical need to safely and precisely control the large-volume flow of highly aggressive, volatile, and explosive fluids.

This series innovatively integrates a pilot-operated diaphragm mechanism, advanced fluorinated/perfluorinated elastomer material technology (FKM/EPDM/FFKM), and certified explosion-proof electrical design (Ex). The valve implements a pilot structure that utilizes the pipeline fluid pressure to facilitate actuation, perfectly overcoming the challenge of insufficient shut-off force faced by large-diameter valves under differential pressures. Simultaneously, the heavy-duty elastomeric isolation diaphragm creates an absolute physical barrier between the corrosive media in the pipeline and the internal metallic core, spring, and electrical components. This state-of-the-art design not only immunizes the valve from internal corrosion but completely eliminates the risk of catastrophic explosions caused by volatile media leaking into contact with electrical sparks, ensuring unparalleled operational safety.

Product Image:ZCF-X Piston Type Anti-corrosive Explosion-proof Solenoid Valve

Ultimate Chemically Inert Elastomer Selection: The valve body and core wetted components are primary-lined with premium fluororubber (FKM/VITON), with specialized options for EPDM or Perfluoroelastomer (FFKM) to match specific process requirements. It exhibits near-perfect chemical immunity against concentrated acids, alkalis, aggressive organic solvents, and strong oxidizers without dissolving or contaminating the high-purity media.

Pilot-Operated Configuration for Mid-to-Large Orifices: Designed with an advanced pilot-operated configuration optimized for pipelines ranging from DN15 to DN50. Within the operating spectrum of 0.3 - 6 bar, it cleverly channels the line pressure differential to achieve efficient valve actuation, ensuring smooth switching and robust resistance against water hammer shocks.

Certified Industrial Explosion-Proof Protection: Equipped with highly reliable, certified explosion-proof solenoid coils enclosed in heavy-duty flameproof or encapsulated housings. It is fully qualified for 24/7 continuous and safe operations in Zone 1 and Zone 2 hazardous locations saturated with flammable gases or vapors such as hydrogen, acetylene, and methane.

Four Engineered Port Connections: Offers exceptional versatility with four connection styles: standard G threads favored in Europe/Asia, NPT threads standard in North America, Flange connections for heavy-duty high-pressure lines, and Union connections for quick on-site assembly and maintenance.

Low Dead-Volume and Anti-Clogging Optimization: The internal valve cavity geometry is refined through Computational Fluid Dynamics (CFD) simulations to minimize dead space and fluid stagnation. Together with the resilient elastomer diaphragm design, it drastically mitigates particle abrasion and prevents chemical media from clogging or sticking inside the valve internals.

Structure Diagram:ZCF-X Piston Type Anti-corrosive Explosion-proof Solenoid Valve

Specification Sheet

Outline Diagram:ZCF-X Piston Type Anti-corrosive Explosion-proof Solenoid Valve

Outline Dimension Table   （Unit:mm）