Velvac
Velvac 100131 Air Cylinder 3 1/2 in Bore 6 11/16 in Stroke Double Acting
A double-acting air cylinder with a 3 1/2 in bore and 6 11/16 in stroke, rated for 120 psi maximum operating pressure
- Double-acting design delivers force in both directions
- 3 1/2 inch bore provides strong output force
- 6 11/16 inch stroke allows long travel distance
- Aluminium body resists corrosion and reduces weight
- Magnetic piston enables external position sensing
Velvac 100131 Air Cylinder
The Velvac 100131 is a double-acting air cylinder built with an aluminium body and a magnetic piston. It uses a clevis mounting style and a 1/4 inch female NPT inlet for connection. The unit is non-repairable and operates on compressed air systems up to 120 psi.
Sustained load behaviour
Rated for a maximum operating temperature of 185 degrees F, the cylinder maintains seal integrity during continuous cycling. Metal tie rods keep the assembly rigid under full 120 psi pressure without creep. The absence of internal cushioning means end-of-stroke impact loads transfer directly to the mount.
3 1/2 in bore 6 11/16 in stroke
Bore diameter and stroke length fix the force and travel envelope; the 3 1/2 inch bore and 6 11/16 inch stroke cannot be altered. Buyers needing a longer throw or higher force at the same pressure must select a different cylinder. The fixed 1/4 inch NPT port also limits flow rate for very high-speed cycles.
Highlights
- Double-acting design delivers force in both directions
- 3 1/2 inch bore provides strong output force
- 6 11/16 inch stroke allows long travel distance
- Aluminium body resists corrosion and reduces weight
- Magnetic piston enables external position sensing
Specifications
| Brand | VELVAC |
|---|
Questions about this item
How much heat does the Velvac 100131 generate when running continuously at 120 psi?
The cylinder is rated for a maximum operating temperature of 185 Degrees F and has no cushion, so sustained high-cycle operation at full pressure will transfer heat directly to the aluminium body and mounted structure.
What fittings and supply line do I need to connect the 1/4 in NPT inlet on this Velvac cylinder?
You must supply a 1/4 in male NPT fitting and tubing or hose rated for at least 120 psi compressed air; the inlet is female NPT so the male thread seals directly into the cylinder port.
Will the 3 1/2 in bore and 6 11/16 in stroke match the mounting centres on my existing clevis brackets?
This unit uses a clevis mount with a 6 11/16 in stroke; verify your current bracket pin-to-pin distance matches that stroke plus the cylinder’s closed length before installation.
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