Air Poppet Valves
A spring-loaded valve admits air at the mold surface during release to help break a vacuum. It assists demolding without replacing the mechanical ejector design.
Industries and operating scenarios ↓Material options
Stainless steel
The final grade and treatment are confirmed after reviewing your drawing and operating conditions.
Dimensions, tolerances, hardness, quantity and delivery are confirmed in the quotation. No fixed stock specification is implied.
Industries and operating scenarios
Air poppets control air release to break vacuum during demolding—used in deep cavities, thin walls and large contact areas; requirements vary by industry, so size and placement follow your mold layout.
Send inquiry now →Typical industries
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Automotive plastic parts -
Electronic plastic parts -
Home appliance parts -
Industrial injection molding
Materials and treatment options
Body and seals must suit mold temperature and air supply; thread, face diameter and travel match your air circuit layout.
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Manufacturing overview; final process per agreed drawing.
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Surface treatments and finishes
Valve face and seal precision affect leakage and return; with mechanical ejection, confirm opening pressure and pocket space.
Send inquiry now →Surface treatments and finishes
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Valve face and sliding fits
Check flushness, guidance and return together; finishing must not alter sealing or travel.
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Cleaning and corrosion protection
Choose cleaning or passivation for the body material and verify media compatibility with seals and springs.
Family-specific questions
How do air poppets work with mechanical ejector pins?
Poppets admit air during opening to break vacuum adhesion; they are used alongside pins and sleeves, not as a substitute for ejection layout.
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