Model L10L

Inline Vent Valve

The L10L design was created to exceed industry needs. Extensive research and development has produced a product that achieve both superior sealing performance and industry leading flow rates.

Superior Sealing Performance
• Precision machining and manufacturing to accomplish superior sealing
• Ultra-tight sealing reduces product leakage and fugitive emissions
• Leak Rate of No more than 1 SCFH of air at 90% of set pressure
• Achieve various pressure setting by adding calibrated weights

Industry Leading Flow Rates
• Higher flow capacity to protect from excessive pressure build up
• Precision machining and manufacturing to accomplish high flow rates

Direct Replacement & Easy Maintenance
• Direct replacement for any standard vent valve
• Designed for easy maintenance, thus reducing downtime and lowering operational costs
• Standard product includes SLIC Pins™
• Corrosion resistance can be enhanced with FKM soft goods

Available Sizes: 2” (50mm), 3” (75mm) and 4” (100mm)
Pressure Settings: 1 to 16 osig (in 1.0 osig Increments)
Vacuum Settings: 0.4 osig (for pressure/vacuum configuration), None (for pressure only configuration)
Valve Configuration: Pressure / Vacuum, Pressure Only
Casting: Aluminum
Diaphragm Materials: Black Buna-N, Blue FKM
Flange Gasket: Black Buna-N, Blue FKM
Weight: Zinc-Plated Steel or Stainless Steel
Optional: Polyester/PTFE Coating

Polyester/PTFE Coating

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Operating Parameter 1

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Pressure Setting (osig): (1 osig increments)

Weight Material

Vacuum Setting


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We don’t manufacture until you order. Our production team employs the latest tools and techniques in agile manufacturing to fabricate your order to your specifications. After production and assembly, each product undergoes stringent quality inspections before leaving the production floor – we guarantee you’ll get exactly what you ordered.

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