VCR vs VCO: Which Face-Seal Fitting Is Right for Your System?
A practical guide to selecting between VCR and VCO face-seal fittings for UHP gas systems, comparing pressure ratings, material compatibility, and application suitability.
Import Quality. Domestic Price.
KTIC INDUSTRIAL — UHP COMPONENT SPECIALISTS
Engineer-Verified Components for Critical Processes
To provide semiconductor, specialty gas, and critical process industries with engineer-verified UHP components at competitive prices — bridging the gap between import quality and domestic value. Founded by a former fab Quality Engineer who understands exactly what your process demands.
6 Product Categories for UHP Gas Systems
Valves
Diaphragm, bellows & ball valves
- · UHP diaphragm valves
- · Bellows-sealed valves
- · Ball valves
- · Check & needle valves
Regulators
Pressure regulators for specialty gas
- · Single-stage regulators
- · Dual-stage regulators
- · Line regulators
- · Cylinder regulators
Fittings
VCR, VCO & compression tube fittings
- · VCR face-seal fittings
- · VCO O-ring face-seal
- · Compression tube fittings
- · Weld fittings
Filters
Point-of-use UHP gas filtration
- · In-line filters
- · Coalescing filters
- · Particulate filters
- · High-purity housings
Gauges & Instruments
Pressure measurement & transmitters
- · Bourdon tube gauges
- · Pressure transducers
- · Digital transmitters
- · Flow sensors
Hoses
Flexible hoses for gas transfer
- · PTFE-lined hoses
- · Metal braided hoses
- · Cryogenic hoses
- · High-pressure hoses
Technical Resources
Industries We Serve
Semiconductor
UHP gas delivery for wafer fab
- · Diaphragm valve manifolds
- · VCR fitting systems
- · Point-of-use filtration
Specialty Gas
Cylinder fill plants & manifolds
- · Cylinder change valves
- · High-purity regulators
- · Transfer hoses
Photovoltaic
Solar cell manufacturing gas systems
- · Process gas delivery
- · Silane handling systems
- · UHP fittings & valves
Pharmaceutical
ASME BPE-compliant fluid systems
- · Sanitary fittings
- · Bio-compatible seals
- · High-purity filters
Laboratory
Analytical & research gas panels
- · Gas panel assemblies
- · Precision regulators
- · Instrument connections
Industrial Gas
ASU & cryogenic distribution
- · Cryogenic hoses
- · High-pressure valves
- · Fill station components
Our Commitment to Quality
Every component we supply is engineer-verified and sourced to meet ISO 4 cleanroom standards, with full MTR traceability and 100% incoming inspection. We bridge the gap between import quality and domestic value — because even the smallest fitting can affect process yield.
OUR QUALITY COMMITMENTS
Technical Resources & Insights
UHP Gas Purity: How Component Selection Affects Process Yield
Understand how metal surface finish, material selection, and connection type directly impact gas purity levels in semiconductor fab environments.
▶Ask KTIC|Specialty Gas
Designing a Safe Specialty Gas Cylinder Fill Station
Key considerations for component selection, manifold layout, and safety interlocks when designing cylinder fill and distribution systems.
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KTIC Industrial · Pudong New Area, Shanghai, China. Contact a Specialist.