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
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