Ingredient Hopper
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This page explains how Discharge Gate is classified within Food Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A discharge gate is a critical component of an ingredient hopper system that regulates the flow of materials from the hopper to downstream processes.
Technical details and manufacturing context for Discharge Gate
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Nominal Diameter | 50–300 mm | Matches hopper outlet size |
| Operating Temperature | -20–120 °C | Seal material limits range |
| Leakage Rate | ≤0.1 cm³/min | Class A seat leakageISO 5208 |
| Actuation Torque | 15–60 N·m | Required for pneumatic actuator sizing |
| Actuation Time | 1–5 s | Full open/close cycle |
| Cycle Life | ≥50000 cycles | Under rated conditions |
| Material Grade | 304/316L | Food contact surfacesASTM A240 |
| Surface Roughness | Ra≤0.8 μm | Hygienic finishISO 4287 |
| Weight | 5–25 kg | Depends on size and actuator |
| Ingress Protection | IP54–IP65 | For actuator enclosureIEC 60529 |
| Supply Voltage | 24 ±10% V DC | For solenoid valve |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is essential for the following industrial systems and equipment:
| pressure: | Up to 10 bar |
| flow rate: | 0.5 to 50 m³/h |
| temperature: | -20°C to +120°C |
| slurry concentration: | Up to 70% solids by weight |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
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The typical operating pressure range is 1.0 to 1.6 MPa. However, this is a reference range; the actual allowable pressure depends on the specific model and must be confirmed with the manufacturer.
Discharge gates are commonly made of stainless steel grades such as SS304 or SS316, which are suitable for food contact surfaces. The material grade for food contact is typically 304/316L as per ASTM A240, with a surface roughness of Ra ≤ 0.8 μm.
The leakage rate is specified as Class A seat leakage, with a maximum of 0.1 cm³/min, according to ISO 5208. This ensures a tight seal when the gate is closed. Verification of leakage performance should be done under rated conditions.
Discharge gates can be operated manually via a handwheel or lever, or automatically using an actuator, typically pneumatic. The actuation torque required is 15 to 60 N·m, and the actuation time for a full cycle is 1 to 5 seconds. The actuator enclosure should have an ingress protection rating of IP54 to IP65.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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