Seiki – Valve Gate System
About the Valve Gate System
Mechanical Valve Gate System incorporates a valve pin activated by pneumatic drive. We have full-line of valve gate including options, with the length up to 400mm, gate size of 0.8 – 8.0mm. Various kinds of valve gate in accuracy and function are available. Depends on application, valve gate with tip heater is available, too.
Principle and Features of Valve Gate System
With its topless structure, the gate is machined directly into the cavity, which is advantageous to cooling effectiveness and transcription of pin diameter. In case of valve equipped with separate tip heater located at its front-end, the tip heater can heat synchronously with the molding cycle to employ intermittent heating. This unique function facilitates the molding of the crystalline resins.
Overall structure of Valve Gate System
The system consists of valve gates, manifold (assembled inside the mold), temperature controller, air controller and air source in the factory to activate the valve pins.
Valve Gate System lineup
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- Series SVP(F)
- Suitable for a wide range of molding process using commodity resin to super engineering plastic.
- Addition of the Tip heater system (optional) makes this valve to be very effective for molding reinforced resins and crystallized resins (PET pre-form).
- Detailed pdf Information
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- Series SV32F
- Available to minimum 32 mm gate pitch.
- A unique guiding mechanism is equipped to guide valve pin.
- Best suited to mold commodity resin and commodity engineering plastic (POM, PC, ABS, PA, etc.)
- Detailed pdf Information
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- Series SV25F
- Suitable for a wide range of molding process using commodity resin to commodity engineering plastic.
- It accommodates multi cavity with small pitch molding 25mm – the smallest pitch among SV series.
- It works for reinforced resins, too.
- The combination of its air drive system and guiding mechanism prevents the gate and the pin from wear and tear or damage.
- Air drive system provides easy handling and maintenance.
- Detailed pdf Information
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- Series SVPL
- This modified SVP type is exclusively for direct center gating application (single cavity molding). With using a manifold, it works for multi molding as well.
- Product being updated. Pdf information to be announced.
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- Series SVY / Simple-flow
- No splitting flow occurs inside the valve because the pin does not hinder the melt flow.
- Minimized pin deformation keeps the pin accurately in line with the gate.
- Detailed pdf Information
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- Series CVN
- Features high cost performance.
- Specifically for molding commodity resin.
- Features simple structure.
- Product being updated. Pdf information to be announced.
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- Series SMV
- This new compact valve gate system realizes thin stationary side height of 120mm, being applicable to 15t―50t of machine’s clamping force capacity.
- Applicable to super engineering plastic molding.
- It is equipped with a tip heater as its standard function, which facilitates the optimum molding condition for molding such as filler-contained plastics.
- The combination of its air drive system and guiding mechanism prevents the gate and the pin from wear and tear or damage.
- Air drive system provides easy handling and maintenance.
- Detailed pdf Information
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- Series SVPR
- Slim size of 9mm in front-portion diameter.
- Gate size available from 0.8 to 1.2mm.
- Product being updated. Pdf information to be announced.
D5 Creation