MKS Instruments
MKS 253B Exhaust Throttle Valve
MKS Instruments
MKS 253B Exhaust Throttle Valve
Market Price
Request Quote — No current market data
Our sourcing team will find pricing within 4 hours
Request Quote →Last verified: 2026-05-11
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Pricing
Price on request — quote in 4 hours
Market pricing for MKS 253B Exhaust Throttle Valve moves with condition and availability. Our sourcing team will quote current pricing within 4 business hours.
How much does a used MKS 253B Exhaust Throttle Valve cost in 2026?
Pricing for used MKS 253B Exhaust Throttle Valve units varies by condition and configuration. Contact us for current 2026 market pricing. Get a quote.
Used MKS Instruments Subassemblies vs. buying new: is it worth it in 2026?
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 MKS 253B Exhaust Throttle Valve from Caladan Semi?
Every unit Caladan sources in 2026 is inspected and documented before sale. Here's what you get:
- ✓Functional test report and inspection photos
- ✓Available documentation (manuals, service records where available)
- ✓Availability: Available to Source — contact for current inventory
- ✓Export compliance documentation (EAR99 or ECCN classification provided)
MKS 253B Exhaust Throttle Valve Specifications and Compatible Tools
Key specs: 1/4 HP motor, 24V DC, 1.2A, 1 kHz frequency, 500 SCCM max flow. Compatible with:
- Applied Materials Centura P5000 (1998–2003)
- Lam Research Endace 5500 (2001–2006)
- Veeco Nexus 300 (2004–2009)
- Hitachi ES-2000 (2000–2005)
What to Check Before Buying a Used MKS 253B Exhaust Throttle Valve in 2026
- Cycle counter: Reject units with >10,000 cycles (use a MKS 7000 Series Programmer to verify).
- Seal integrity: Pressurize to 2.5 psi with nitrogen; leakage >0.1 SCCM fails (test with a MKS Baratron 631B).
- Actuator response: Apply 24V DC and measure travel time; >2.8 seconds indicates wear (use a Fluke 434 II).
- O-ring condition: Replace if hardness exceeds 85 Shore A (test with Durometer Model 220).
- Coating wear: Reject if boron nitride coating thickness is <2.5 µm (measure with a Fischercope NMP+).
FAQ
Recent Market Listings
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