High-Quality Compressor Head Rotorcomp Screw Air End Evo9-Nk

Product DescriptionEVO9-NK Original Rotorcomp Screw Air End Made In Germany for 22kw~55kw Screw Air CompressorRotorcomp air endLong life warrantyStable runningBig flow rateAll series of ROTORCOMP screw air end,we have them all in stock, including AA,AB(6pcs bearings),AC( 4 pcs bearings).Our EVO9®-NK compact unit is an oil-injected screw compressor module that integrate the main parts of a compressor system and provide optimum operation reliability and reduced design costs for your compressor package. The following components are integrated into each compact unit: EVO® oil-injected air end with ROLLING PROFILE®, intake valve with control unit and air filter, oil reservoir and oil separation system with coalescing cartridge(s), oil filter and oil thermostat valve, minimum pressure valve and non return valve.EVO- SCREW AIR ENDSRELIABLE AND VERSATILE* Our oil-injected screw air ends create the heart of your compressor system.* Used with our wide range of components, you can build the perfect compressor package with ultimate efficiency, low noise, at the highest quality standards.ADVANTAGES:* New ROLLING PROFILE® - ultimate efficiency with reduced noise* Long life cycle due to increased bearing dimensions and wear-free ROLLING PROFILE* Wide operating pressure range from 5 to 15 barg* High quality manufacturing and assembling - "Made in Germany"* Quality assurance - bench test of every air end before leaving our factory* Easy application selection with our new ROTORCOMP® SIZING AIR software* Highest flexibility for your package design• Suitable for all types of drive motors• Drive options: Belt drive, direct drive, internal gear drive• Base and face-flange mounting   Ultimate efficiency and reduced noise through 1. High volumetric output due to · Reduced internal leakage · Thermally optimized oil injection system · Improved suction port efficiency giving reduced internal losses 2. Low power consumption due to · Optimized torque characteristics and reduced internal friction · Improved outlet port with lower pressure losses 3. Reduced noise and low vibration due to · Smooth rolling of the rotors with new ROLLING PROFILE® · Optimized outlet portTechnical Parameters  Model Recommended motor power min.-max Max.flow rate at 7 barg /100 psig Pressure range min.-max. Net weight approx.   kW hp m³/min cfm barg psig kg lbs EVO1-NK 2.2-5.5 3-7.5 0.8 30 5-15 70-220 31 68 EVO2-NK 4.0-11 5-15 1.6 60 5-15 70-220 40 88 NK31 3-7.5 5-10 1.2 43 5-15 70-220 39 86 EVO3-NK 7.5-18.5 10-25 2.8 100 5-15 70-220 54 119 EVO6-NK 15-37 20-50 5.5 200 5-15 70-220 99 218 EVO9HK 22-55 30-75 8.4 300 5-15 70-220 19g 439 NK200 45-75 60-100 11.5 408 5-15 70-220 263 580 *reduced maximum power and maximum rotation speed input at pressure below 7 barg  Packaging & ShippingPackaging & Shipping1. Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)2.Shipping method: by sea, by LCL/FCL or as requested3.Delivery method: FOB, CFR, CIF and EXW etc.4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)Company ProfileShanghai Rocky Machinery Co., Ltd. was established in 2003 and has 18 years of experience in the air compressor industry. It is an innovative enterprise integrating production, trade, service, research and development. Our company dominates strong technical skill, advancing manufacture equipment and testing device, execute strictly of ISO9001 quality management system.  As a CE certificated manufacturer, our Oil-free series air compressor also reaches Germany TUV Class 0 standard. Main products have passed the testing of national technical authorities, energy consumption level has reached the international advanced level. With more than 120 skilled employees and 18 senior engineers, each production process is performed standardly and strictly. Germany technology and 14 years export experience have helped us to gain more than 30 loyal overseas agents, and our valued customers have spread across more than 130 countries.  Rocky will continue to promote technological innovation and progress in line with the mission of "innovation reflects value", and achieve win-win results with global partners, suppliers and employees. Create a new world of "energy saving, envir-onmental protection and intelligence" in the field of air compressors.FAQQ1. Are you trading company or manufacture ?A: We are professional manufacture of screw air compressor of Taicang,Jiangsu,China. More than 18 years of experience in air compressor manufacturing.Q2. How long is the delivery time ?A: For standard voltage ,15 working days. Non-standard ,please contact our sales.Q3. What's payment term ?A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.Q4. How about your after-sales service ?A: 1.Provide customers wi