Description
Sundyne Compression Diaphragm Series 7000 – Heavy ‑ Duty, Leak ‑ Free High ‑ Pressure (Up to 6,250 psi)
Key Technical Specifications
US 60 Hz
Maximum Working Pressure 6,250 psi
Maximum Motor Size 200 HP
Mounting L or H Configuration
Maximum Displacement 110.9 ft3/min
Speed Range 250 to 350 rpm
Maximum Discharge Temperature 450°F
Stroke Length 7 in
Process Connection Flanges 1 to 2 in
Piston Range 0.9 to 10 in
Crankshaft Diameter 5.5 in
Crankpin Diameter 4 in
Main Bearing Type Tapered Roller
Crankpin Bearing Type Babbit Sleeve
Wrist Pin Bearing Type Roller
Lubricant-ISO 150
Lubrication Type Pressurized
Sump Capacity 34 Qts
Oil Cooler Required
Cooling Type Water Cooled
Why Choose the Series 7000?
Zero‑Leak , Oil ‑ Free Design
Static-seal , sealless diaphragms isolate the process gas entirely – ensuring no leakage or oil contamination. Ideal for ultra-pure , toxic , or corrosive gases.
Industrial – Grade Pressure Capacity
Capable of reliably delivering pressures up to 6,250 psi , it’s built for rugged performance in demanding environments.
Engineered for Reliability
Constructed with heavy – duty parts and factory – tested to match your process specs , delivering dependable uptime even in heavy-use settings.
Additional Features
Flexible Configuration
Available in single – and two – stage L or H configurations , with process flanges from 1″ to 2″ – suitable for various process lines.
Robust Diaphragm System
Proprietary diaphragm and cavity design provide exceptional fatigue life and minimal maintenance.
High Power Capacity
US version supports up to 200 hp motors (or up to 50 kW in 50 Hz metric mode).
Temperature – Resilient & Water – Cooled
Handles discharge temperatures up to 450 °F (232 °C) and equipped with required oil cooling systems for continuous operation.
Applications
Petrochemical & Refining – Perfect for safely compressing corrosive , flammable, or hazardous gases.
Specialty Gas & Semiconductor Processing – Used for high-purity gas compression in critical industries.
Energy & Hydrogen Systems – Ideal for hydrogen compression and carbon capture operations.
Research & Pilot Plants – Compact size and flexibility make it suitable for R&D environments.
Trust the Sundyne Series 7000 for your toughest compression tasks—sealless and oil-free up to 6,250 psi. With heavy-duty construction , flexible configurations , and zero – leak reliability , it’s engineered for critical, high – purity or corrosive gas processes.
