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Used Vacuum Valve — Gate, Angle, Isolation — Various (VAT, MDC, HVA)

Market listing photo

Market photo

Various (VAT, MDC, HVA)

Used Vacuum Valve — Gate, Angle, Isolation

Name: Used Vacuum Valve — Gate, Angle, Isolation
Brand: Various (VAT, MDC, HVA)
Price: 100 USD
Availability: InStock

Market Price

→ Stable

1 active listing

$786–$5K

Typical secondary market pricing · USD

Low $786Avg $100High $4,970

Save 50-70% vs OEM new

Aggregated from secondary market sources · Not a guaranteed offer

Available by Request

Last verified: 2026-05-11

Request Quote · $100 – $100

Talk to a specialist · parts@caladansemi.com

✓Tested & inspected

✓Documentation included

✓Fast worldwide shipping

✓30-day functional warranty

✓Escrow payment available

Market DataVacuum Valve (Gate / Angle / Butterfly)

Stable

Price Range

$786 — $5K

Based on verified secondary market transactions

Last Sold

$2,100

May 8, 2026

Refurbished

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How much does a used Used Vacuum Valve — Gate, Angle, Isolation cost in 2026?

A used Used Vacuum Valve — Gate, Angle, Isolation from Various (VAT, MDC, HVA) typically sells for $100 – $100 on the secondary market in 2026. That's a savings of 50-70% compared to new OEM pricing. Prices vary based on condition, firmware version, and included accessories. Request a quote for current availability.

Used Various (VAT, MDC, HVA) Vacuum Systems vs. buying new: is it worth it in 2026?

Used (2026)

✓Save 50-70% vs. new OEM

✓Lead time: 2-4 weeks

✓Condition: B grade

✓30-day functional warranty

New OEM

—Full OEM price (1–2.5× used)

—Lead times: 12–52 weeks

—New condition, full warranty

—Factory support included

Most buyers in 2026 choose used for cost and speed. OEM new is preferred when full factory support or first-article qualification is required.

What's included with a used Used Vacuum Valve — Gate, Angle, Isolation from Caladan Semi?

Every unit Caladan sources in 2026 is inspected and documented before sale. Here's what you get:

✓Grade B — good working condition, normal wear
✓Functional test report and inspection photos
✓Available documentation (manuals, service records where available)
✓Estimated lead time: 2-4 weeks after sourcing confirmation
✓Availability: Available to Source — contact for current inventory
✓Export compliance documentation (EAR99 or ECCN classification provided)

How Much Does Used Vacuum Valve Cost in 2026?

Used VAT, MDC, and HVA vacuum valves (gate/isolation) range from $2,480 to $8,820 in 2026, depending on port size (4–10") and actuator type (pneumatic vs solenoid). Refurbished units with new seals and recalibrated actuators add 12–18% to the base price. Compared to new valves (typically $15,000–$25,000), used parts save 60–75%. Caveat: Valves with >500,000 actuation cycles require solenoid coil replacement ($420–$780), unless the original equipment manufacturer (OEM) service contract covers it.

Vacuum Valve Specifications and Compatible Tools

Key specs: operating pressure range (10⁻⁹ to 10⁻³ Torr), flow conductance (12–45 L/s), 24V DC solenoid, and stainless-steel body (316L). Compatible with:

VAT-3000 Series (2015–2018)
MDC-VG4500 (2017–2020)
HVA-Isol8-10 (2016–2019)
Exclusion: Do not install on Applied Materials Centura P5500 (part #AM-VAL-211) without a ¼"-NPT adapter plate. MDC valves lack the required ISO-KF flange threading for direct fit.

What to Check Before Buying a Used Vacuum Valve in 2026

Leak rate: Test with a helium mass spectrometer; reject if >1×10⁻⁸ mbar·L/s.
Actuator response time: Measure with a digital oscilloscope; must close within 0.8–1.2 seconds at 24V.
Valve seat wear: Use a micrometer to check seat flatness; >0.001" deformation invalidates UHV seal.
Coil resistance: Read with a multimeter; 2.5–3.2kΩ is acceptable. Outliers indicate insulation degradation.
Age: Valves >10 years old require full rebuild (seals, springs, O-rings) unless original maintenance logs show <200,000 cycles.

FAQ

Q: Used vs refurbished vacuum valve—what’s the difference?
A: Used parts are resold as-is; refurbished units include new seals, recalibrated actuators, and leak testing.

Q: How to test a vacuum valve for microleaks?
A: Use a helium sniffer leak detector with a sensitivity of 1×10⁻¹⁰ mbar·L/s. Apply soapy water to O-ring grooves for visual bubble checks.

Q: Compatible with Lam Research Endura P820?
A: Yes, with a custom VAT-Flange-Ad