Hydraulic Solenoid Cartridge Valve | CV11 CV13 Check Valve | 1SE90F35S8

The screw-in hydraulic cartridge check and solenoid-controlled valves manufactured by Chengyuan Hydraulic are ultra-compact fluid modulation elements fully engineered to match global cartridge standards (fully interchangeable with HydraForce, Sun Hydraulics, and alternative premium brands). This high-tier control suite directly covers critical model designations including CV11-12-P-0-10, CV11-16-P-0-5, CV13-10-P-0-3, CV13-10-P-0-020-00, and the complex integrated modular component 1SE90F35S8. Constructed with hardened all-steel housings and micro-honed sealing seats, these cartridges manage single-direction holding, directional blockades, and circuit isolating profiles. Every singular valve undergoes 100% simulated load testing for ultra-high-pressure crack responses, zero reverse-leakage limits, and mechanical seat closure to guarantee matching operational properties and deliver proven 100% original-place interchangeability.

Technical Specifications :

• Core Product Framework: Industrial Heavy-Duty Screw-In Cartridge Check & Solenoid Control Valves

• Model Configurations Supported: CV11-12-P-0-10 / CV11-16-P-0-5 / CV13-10-P-0-3 / 1SE90F35S8

• Frame Sizes & Nominal Cavity Formats:

  • CV13-10 Series: Size 10 Cartridge Configuration (VC10-2 Standard Cavity)

  • CV11-12 Series: Size 12 Cartridge Configuration (VC12-2 Standard Cavity)

  • CV11-16 Series: Size 16 Cartridge Configuration (VC16-2 Standard Cavity)

• Maximum System Operating Pressure: Rated up to 240 bar to 350 bar (dependent on exact housing configuration)

• Maximum Flow Capabilities:

  • Size 10 Framework: Rated up to 56 L/min (15 USgpm)

  • Size 12 Framework: Rated up to 113 L/min (30 USgpm)

  • Size 16 Framework: Rated up to 150 L/min (40 USgpm)

• Cracking Pressure Designators:

  • Code 020: Specialty low-crack configuration set at ~0.2 bar (3 psi)

  • Code 3: Standard cracking threshold at ~0.21 bar (3 psi)

  • Code 5: Standard cracking threshold at ~0.34 bar (5 psi)

  • Code 10: Standard cracking threshold at ~0.69 bar (10 psi)

• Reverse Leakage Constraints: Less than 5 drops/minute at maximum pressure (near-absolute zero-leakage closure)

• Elastomeric Compound Assemblies: Standard Polyurethane or Viton compound O-rings backed with rugged anti-extrusion rings

Key Technical Advantages:

• Vacuum-Hardened Poppet-Type Sealing Architecture: The core checking poppets in the CV11 and CV13 series are machined from high-alloy structural steel, vacuum-hardened to HRC 60+. Paired with severe metal-to-metal spherical or conical super-finishing micro-honing, the valve guarantees superior pressure retention properties under continuous 350 bar reverse lock holding states.

• Streamlined Internal Flow Paths for Low Pressure Drop ($\Delta p$): Employing Computational Fluid Dynamics (CFD) simulation allows us to micro-tune the layout of internal fluid galleries, spring housings, and seat transitions. This limits forward fluid resistance by 15% compared to standard configurations, efficiently subduing system temperature rise and fluid cavitation during peak flows.

• Highly Unified Electro-Hydraulic Modular Command via 1SE90F35S8: This specialized integrated component seamlessly bonds electrical solenoid switching with pilot overload safety networks. It drops directly into complex custom multi-station block manifolds, substantially minimizing the cumulative footprint of the central hydraulic valve array.

• Premium Fatigue-Resistant Main Spring Assemblies: The internal heavy-cycle springs are wound from imported high-tensile piano wire or Silicon-Chromium alloy steel (Si-Cr Steel). Subjected to millions of high-frequency full-stroke cycling impacts, the spring geometry exhibits zero structural fatigue, ensuring stable cracking thresholds over extensive field operations.

Application Areas:

• Custom Mobile Integrated Manifolds: Serving as primary control cells nested inside main manifold blocks for excavators, aerial work lifts, and mobile refuse compaction rigs.

• High-Pressure Load Holding & Accumulator Circuits: Safeguarding long-duration zero-leakage holding requirements for hydraulic outriggers, stabilization jacks, and heavy-duty braking calipers.

• Hydraulic Pump Discharge Isolation Line: Protecting primary pump components from reverse high-pressure fluid spikes during system decompression.

Expert Maintenance Tips:

• Rigidly Verify Nominal Installation Cavity Torques: When threading cartridges home into aluminum or steel manifold blocks, always adapt a calibrated torque wrench matching nominal technical specifications (e.g., ~34 N·m for Size 10, ~108 N·m for Size 16). Excess torque will warp the cartridge sleeve body or strip block threads, resulting in internal spool binding.

• Prevent O-Ring Pinching & Mechanical Impact Damage: Before running the valve down into the block, apply a light film of clean hydraulic grease to both the cartridge seals and the block cavity walls. Slowly thread the cartridge home manually; never utilize coarse impact pneumatic wrenches, which can pinch or slice the O-ring profile against the sharp edges of the cavity steps.

• Enforce Strict Limits On Fluid Contamination: The minimal clearance limits of cartridge poppets require highly filtered fluid media. Maintain system filtration thresholds to at least $\beta_{10} \ge 75$ (ISO 4406 18/16/13). Abrasive particulates or machining debris larger than $10 \mu m$ will wedge between the sealing seats, causing high internal bypass leakage and holding pressure loss.