FISNAR 790HP-LF High Pressure Spool Valve

Designed for dispensing high-viscosity fluids such as silicones, RTV, sealants, greases, and pastes.

Ideal for automated robotic systems and continuous bead applications.

Used in gasketing, sealing, and bonding processes.

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The FISNAR 790HP-LF is a high-pressure spool dispensing valve engineered for precision fluid control. It features a spring snap-back retraction that creates a suck-back effect to prevent dripping. The valve operates at up to 2,500 psi and handles fluids with viscosities up to 3 million CPS. It opens with air pressure and closes with a return spring (single acting), with an optional port for double acting air closure.

Model: 790HP-LF

Body: Aluminum

Spool: Stainless steel (TiCN coated)

Seals: UHMW-PE, Viton® O-rings

Ports: 1/4” NPT (air, material inlet/outlet)

Operating Air Pressure: 70–100 psi

Material Pressure: Max 2,500 psi

Weight: 524 g

Viscosity Range: 5,000 – 3,000,000 CPS

Min Shot Size: 0.14 cc

Flow Rate: 39,000 ml/min @ 100 psi

Cycle Rate: Up to 500 cycles/min

Data Sheet