The Semco® model 250-A sealant gun is the standard of the aerospace and electronics industries. It is designed for quiet pneumatic application of sealants, adhesives, potting compounds, and other materials packaged in Semco disposable cartridges or Semkit packages for multi-component materials.
The Semco model 250-A gun is available with retainers to fit standard 32 cc, 59 cc, 156 cc, 214 cc, and 310 cc (1, 2.5, 6, 8, and 12 ounce) disposable cartridges. Air hoses to operate the gun must be ordered separately. The gun is constructed of durable metal and engineered plastic parts designed to withstand the rigors of the production work place. The nickel-plated retainers are affixed to the valve assembly via a quick connect, secure bayonet lock fixture permitting easy replacement of cartridges. For use in confined locations, the handle can be easily removed to allow more clearance and better manipulation.