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SEMCO Sealant Guns and Associated Retainers

250-A Sealant Gun

The Semco® model 250-A sealant gun is the standard of the aerospace and electronics industries. It is designed for the 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 1, 2.5, 6, 8, and 12 ounce disposable cartridges. Air hoses to operate the gun must be ordered separately (see below for more information). 

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.

250-B Handleless Sealant Gun

The Semco® model 250-B handleless sealant gun is the new standard of the aerospace and electronics industries. It is designed for the 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-B gun is available with retainers to fit standard 1, 2.5, 6, 8, and 12 oz. disposable cartridges. Air hoses to operate the gun must be ordered separately (see below for more information). The Semco® gun handle cannot be attached to this model gun. 

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 cartridge replacement.

350 Pneumatic Air Gun

The Semco model 350 sealant gun is designed for quiet pneumatic application of sealants, adhesives, potting compounds and other materials packaged in Semco disposable cartridges or Semkit packages that are used for multi-component materials. The Semco model #350 gun is available with retainers to fit standard 2.5, 6, 8 and 12 oz. 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 workplace. The nickel plated retainers are affixed to the gun via a quick connect, secure bayonet lock feature permitting easy cartridge replacement. A regulating wheel on the handle is used to set the working pressure at the feed volume.

550 Pneumatic Air Sealant Gun

The Semco® Model 550 sealant gun has been removed from PPG's portfolio. Alternative dispensing solutions are outlined on this page, with the most suitable depending on the application requirements

850 Manual Dispensing Gun

The Semco® Model 850 gun is a hand-operated, high quality dispensing gun designed to accept Semco® disposable cartridges or Semkit® packages. 

It is excellent for the “in-field” application of sealants, adhesives, and other materials. The ratchet handle is made of metal for tough, durable, long-term use. A threaded retainer provides a tight fit into the ratchet handle, permitting uninterrupted operation. It also allows for the quick and easy replacement of cartridges. Custom size retainers accommodate Semco® 1, 2.5, 6, 8, 12, 20, 32 oz., and 1/10 gallon disposable cartridges. The retainers are available in metal or plastic.

Please note: the retainers supplied with the specific cartridge gun family are interchangeable. For example, you can purchase the 250-A 6oz Gun and then additionally purchase the 250 Retainer in all available sizes for use with the same gun.

1250 Battery Powered Application Gun

The SEMCO® Model 1250 is a battery powered dispensing gun intended for the application of sealants, adhesives, potting compounds, and other materials packaged in Semco cartridges or SEMKIT® Packages. The unit is designed for usage in the aerospace and electronics industries and offers the convenience of a light-weight, powered dispensing solution without the hassle of an air hose. Each unit comes with two 12V lithium-ion batteries, a 2.5 oz. threaded plastic retainer, a 6 oz. threaded plastic retainer, a charger base and cord. Charger cords are readily available with electric plugs to fit US, UK, EU or AU outlets. 

The Semco Model 1250 dispensing gun is designed to be used with materials packaged in Semco cartridges with a wiper plunger (WP) ONLY. Typically, pre-mixed and frozen sealants are packaged with a black P-plunger with which this gun is NOT COMPATIBLE. Aerospace sealants supplied in Semkit packages are most commonly packaged with a wiper plunger (WP), which is what this gun is specifically designed for. Additional retainers for this unit must be purchased separately

 

Hoses

All hose assemblies come with a B-nut fitting to attach to the Semco® gun or equipment and the specified quick disconnect attachment.

Alongside the three standard fittings, Semco® also supply a Universal Hose Assembly, with a unique fitting that can have any connector threaded onto it. This is ideal for customers not using one of the standard fittings: Aro, Schrader or Hansen.

Adapters and Repair Kits

There are a number of different accessories and parts sold separately to fix general wear and tear and adapt dispensing systems to suit all applications. 

 


PPG Aerospace - Semco® Dispensing Guns