Description
Sundyne Compression Diaphragm Series 4000 – Rugged , Leak ‑ Free High ‑ Pressure Solution (Up to 16,750 psi)
Key Technical Specification
US 60 Hz
Maximum Working Pressure 16,750 psi
Maximum Motor Size 40 HP
Mounting L Configuration
Maximum Displacement 45.9 ft3/min
Speed Range 250 to 400 rpm
Maximum Discharge Temperature 450°F
Stroke Length 4.5 in
Process Connection Flanges 0.5 to 1.5 in
Piston Range 0.6 to 7.5 in
Crankshaft Diameter 2.5 in
Crankpin Diameter 1.25 in
Main Bearing Type Tapered Roller
Crankpin Bearing Type Babbit Sleeve
Wrist Pin Bearing Type Needle
Lubricant-ISO 68
Lubrication Type Pressurized
Sump Capacity 10 Qts
Oil Cooler Not Required
Cooling Type Water Cooled
Why Choose the Series 4000?
Zero‑Leak , Oil ‑ Free Purity
Sealless diaphragm design with static seals prevents gas from contacting moving parts , delivering ultra – pure , zero – contamination performance even with corrosive or hazardous gases
Industry – Leading Pressure Capacity
Capable of reaching pressures up to 16,750 psi (~1,155 bar) in single – or two – stage setups , offering flexible and dependable solutions for demanding applications
Heavy-Duty and Reliable
Utilizes robust crankcase and diaphragm materials from thousands of high – stress deployments – built to survive extreme industrial conditions
Minimal Maintenance , Maximum Uptime
Sealless operation eliminates dynamic seals and external leakage points. Fewer wear parts mean lower maintenance and higher operational reliability
Additional Features
Compact “L” Footprint
Designed for skid installation, it saves space while supporting a wide range of motor power and process flange sizes
API ‑ 618 Compliant & Customizable
Available in multiple configurations and stages , and built to API specifications for critical industrial use
Advanced Diaphragm Life
Proprietary diaphragm and cavity designs ensure exceptional fatigue life – expect reliable operation through years of continuous use
Global Service Support
Backed by Sundyne’s international network , ensuring prompt delivery of genuine parts and maintenance expertise
Applications
Petrochemical & Refining – Ideal for processing ammonia , chlorine , or volatile petrochemicals
Specialty & Electronic Gases – Supports ultra – pure , contamination – free compression for semiconductor , pharmaceutical , and lab environments
Hydrogen Processing & CCUS – Handles hydrogen and CO₂ in capturing , recycling , or injection processes
Research & Pilot Plants – Perfect for R&D and pilot – scale systems requiring taut control and high pressure
Upgrade to the Sundyne Series 4000 diaphragm compressor – your compact , high-pressure , and leak – free solution. With industry – leading 16,750 psi performance , API – grade customization , low maintenance , and global support , it’s the dependable choice for ultra – pure , critical gas applications.
