The Balanced Valve Series from Humphrey is a versatile range of direct-acting solenoid valves with balanced poppet construction. They are available in three sizes: 15mm, 19mm, and 25mm widths, designed for a wide range of pneumatic applications.

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Key Features:

• Sizes Available: 15mm, 19mm, and 25mm widths.
• Flow Capacity: From 0.15 to 1.2 Cv.
• Low Mass & Lightweight.
• Versatile Porting Options: Available in 3-port and 4-port configurations (Actuated and Unactuated).
• Long Service Life: Engineered for durability.
• Low Leakage: Maximum 4ccm at 100 PSIG.
• No Lubrication Needed.
• Pressure Stability: Unaffected by pressure fluctuations.
• Environmentally Protected: IP67 models available for dust and moisture protection.
• RoHS Compliant: Materials meet environmental standards.

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Performance & Functionality:

• Multi-Purpose: Operates across a pressure range from vacuum to 125 PSIG.
• Reliable Shift and Tight Seal: Optimized shifting forces for low leakage.
• High Flow Capacity: Maximized internal flow path design allows for high flow in a compact size.
• Environment Proof: IP67-rated models ensure protection against environmental contaminants.

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Porting Configurations:

• 3-Port: Normally Closed, Normally Open, and Diverter configurations.
• 4-Port: Actuated and Unactuated configurations available.

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Specific Model Details:

• Small Balanced Valve (153 & 154):
  • Flow: 15 scfm (3-port 153) & 10 scfm (4-port 154) at 100 PSIG.
  • Power: 4 watts.
  • Size: 15mm valve width.
• Mid-Size Balanced Valve (193 & 194):
  • Flow: 38 scfm (3-port 193) & 28 scfm (4-port 194) at 100 PSIG.
  • Power: 6 watts.
  • Size: 19mm valve width.
• Large Balanced Valve (253 & 254):
  • Flow: 72 scfm (3-port 253) & 68 scfm (4-port 254) at 100 PSIG.
  • Power: 8 watts.
  • Size: 25mm valve width.

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Mounting & Electrical Options:

• Mounting: Inline or manifold.
• Electrical Entry: Lead wire with plug-in (15mm, 19mm models) or mini DIN electrical entry.
• Optional Manual Override: Non-locking manual override.

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The Balanced Valve Series offers excellent flow rates, compact sizes, and durable construction, making it ideal for diverse pneumatic applications across a wide pressure range.