SCAIR 20HP 1.2MPa Oil-Free Compressor for Material Testing Machines & Research Hydraulics
SCAIR 20HP 1.2MPa Oil-Free Compressor: Critical Air for Scientific Accuracy
SCAIR’s 20HP compressor delivers 1.8 m³/min at 1.2MPa with 0.001mg/m³ hydrocarbon purity, eliminating 18% data invalidation in ASTM E8 tensile tests where oil aerosols cause surface slippage in extensometers.
Ultra-Stable Air Engineering for Advanced Material Characterization
Featuring dual-loop pressure control and active dampening, this 15kW system maintains ±0.1% stability during ISO 6892-1 strain-rate tests – critical for detecting 0.02% yield point variations in aerospace alloys. The nano-coated flow path prevents VOC outgassing that contaminates SEM chambers during in-situ testing.
Testing Lab Performance Specs
Air Delivery: 1.8 m³/min @ 1.2MPa (1.5m³/min @ 1.5MPa for high-load frames)
Pressure Stability: ±0.1% during valve cycling (ASTM D2992 compliant)
Purity Certification: ISO 8573-1 Class 0 (oil), Class 1 (particulates)
Response Time: 0.3s pressure build-up for impact testing per ISO 148-1
Research-Grade Technologies
Pulse Elimination: Helical accumulator design prevents 0.05MPa ripple causing hydraulic chatter
VOC Scavenging: Activated carbon filters reduce hydrocarbons to
Thermal Lock: Active cooling maintains ±0.3°C fluid temperature in servo-hydraulic systems
Data Integrity: IEEE 488.2 compliant interfaces for calibration traceability
Precision Testing Applications
Universal Testers: Powers 100kN hydraulic actuators achieving ±0.5% force accuracy per ISO 7500-1
Fatigue Testing: Supplies electrohydraulic valves for 50Hz cyclic loading at ±1% amplitude control
Composite Characterization: Drives pneumatic grips for carbon fiber testing with 0.001mm slippage prevention
Fracture Mechanics: Feeds pressure intensifiers for CTOD testing per ASTM E1820 with 0.01mm crack growth resolution
Calibration Compliance
Certifications: ISO/IEC 17025 (testing labs), ASTM E74 force calibration, NIST traceability
Material Safety: FDA 21 CFR 177.2600 compliant for biomaterials testing
Validation: Full uncertainty analysis documentation per JCGM 100:2008
Experimental Q&A
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Q: How to prevent hydraulic fluid degradation?
A: ISO Class 0 air eliminates oxidation causing 90% less acid number increase per ASTM D664.
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Q: Solution for step response in dynamic testing?
A: 0.3s pressure rise time enables 200Hz step changes meeting MIL-STD-810G Method 516.6.
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Q: Compatibility with cryogenic test chambers?
A: Arctic-grade seals maintain operation at -50°C for liquid nitrogen environmental testing.
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