Plastic Injection Molded Air Valve Base for the Agricultural Industry

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Air Valve Base
Plastic Injection Molding Services

At Gordy Plastics we provide injection molding for various parts used in a number of agricultural applications. In this instance we injection-molded a specialty irrigation component using a PP (Polypropylene) and glass fiber material.

The part, which measured 3.72” in width, 3.94” in height, weighed 6.85 oz., was derived from a 6.93 oz. shot. Injection molding took place with 220 tons of clamping force in a single cavity mold, in mold temperatures during processing that were 375°F to 525°F. Once molded, the core was unscrewed; the part was then run through a milling operation to remove the fan gate.

This project demonstrates not only our ability to provide precision injection molding, but also secondary machining operations. For more information see the table below or contact us directly.

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Plastic Injection Molded Air Valve Base-Project Highlights

Product Description
Housing for float to rise in in irrigation lines which eliminates "air hammering" by allowing all the air to escape the lines before float rises thereby shutting valve off.
Injection Molding Capabilities Applied/Processes
Plastic Injection Molding
Unscrewing Core

Removal of Fan Gate by Milling Operation
Overall Part Dimensions
Product Width: 3.72"
Product Height: 3.94"
Product Weight: 6.85 oz.
Tightest Tolerances
+ 0.000" / - 0.005"
Material Used
Base Material: PP (Polypropylene) & Glass Fiber
  • Material Thickness: 0.400"
Material Finish
Mold Tech MT-11020
Color: Black
Additional Facts
Shot Size: 6.93 oz.
Maximum Clamping Force: 220 tons
Number of Cavities: 1
Temperature Range: 375°F - 525°F in processing
In process testing/inspection performed
Visual Inspection, Dimensional Inspection
Industry for Use
500 per Month
Delivery/Turnaround Time
3 Weeks
Delivery Location
Eastern Washington
Standards Met
Customer Quality Specifications, CAD Drawing
Full Cavity Fill/No NIT Lines
Pressure/Structural Integrity
Product Name
Air Valve Base

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