A closure element is the critical component in automated valves that physically seals or opens fluid flow paths through direct mechanical contact.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Cycle Life | 100,000-1,000,000 cycles | |
| Stroke Time | 0.5-30 seconds | |
| Leakage Class | ANSI/FCI 70-2 Class IV-VI | |
| Actuation Force | 10-5000 N | |
| Pressure Rating | ANSI Class 150-2500, PN10-PN420 | |
| Temperature Range | -200°C to +800°C | |
| Position Repeatability | ±0.1% |
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 used in the following industrial products
Electrically or pneumatically controlled valves that regulate the flow of chemicals in filtration and separation systems without manual intervention.
A valve installed at each outlet of an inert gas supply manifold to isolate and regulate gas flow to individual downstream processes or equipment.
A valve installed on individual lines within a delivery manifold system to isolate specific sections for maintenance, repair, or flow control.
A practical evidence checklist for RFQ preparation and supplier evaluation.
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Manufacturer profiles associated with Closure Element.
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The closure element is the specific component that moves to block flow (like a disc, ball, or gate), while valve trim includes all wetted parts that contact the process fluid—including the closure element, seat, stem, and sometimes cage or guide.
Consider fluid composition, concentration, temperature, and pressure. Common choices include stainless steel for mild corrosives, nickel alloys for acids, and plastics or ceramics for highly aggressive chemicals. Always consult corrosion charts and conduct compatibility testing.
Common causes include particulate buildup, corrosion products, inadequate lubrication, thermal expansion mismatch, excessive actuator force, or misalignment. Regular maintenance, proper material selection, and clean operating environments prevent sticking.
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