VD520-PT: PTFE Diaphragm Valve

VD520 Diaphragm Dispensing Valves

The VD520 is a diaphragm valve designed for precise flow control of low to medium viscosity materials.

The diaphragm separates the wetted parts from the moving parts, thus making the valve ideal for dispensing cyanoacrylates, anaerobics, reagents, paints, UV adhesives, and other volatile substances.

 
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Models

VD520-PT: Diaphragm Valve - PTFE
VD520-SS: Diaphragm Valve - Stainless Steel

Features

Stroke adjustment to fine tune shots
Separated wetted parts
Easily serviceable
Suitable for a wide variety of fluids
Positive shut off design

Specifications

Operating Air Pressure 70 - 100 psi (4.8 - 6.9 Bar)
Cycle Rate Up to 500 cycles/min
Max Fluid Pressure 70 psi (4.8 Bar)
Max Flow Rate (H20 @ 70 psi) 60 ml/sec
Valve Body Material SUS303
Diaphragm Material (VD520-PT) PTFE
Diaphragm Material (VD520-SS) UHMW-PE
Fluid Body Material (VD520-PT) PTFE
Fluid Body Material (VD520-SS) SUS303
Tip Retaining Nut Material SUS303
Air Input Thread M5 x 0.8
Fluid Inlet Thread 1/8" NPT
Mounting Hole M5 x 0.8
Weight (VD520-PT) 167 g (0.37 lb)
Weight (VD520-SS) 207 g (0.46 lb)

Accessories

VD520PT-RK Valve Repair Kit – PTFE
VD510SS-RK Valve Repair Kit – Stainless Steel
562043U Valve Stand

Videos

Inlay Filling with VD520 Diaphragm Valve

Demonstration of inlay filling using Fisnar's VD520 diaphragm dispensing valve.