{"id":570,"date":"2026-07-20T06:54:39","date_gmt":"2026-07-20T06:54:39","guid":{"rendered":"https:\/\/n2-compressor.com\/?post_type=product&p=570"},"modified":"2026-07-20T06:54:39","modified_gmt":"2026-07-20T06:54:39","slug":"lw-5-3-16-nitrogen-compressor-high-pressure-oil-free-n2-booster-for-demanding-industrial-applications","status":"publish","type":"product","link":"https:\/\/n2-compressor.com\/pl\/produkt\/lw-5-3-16-nitrogen-compressor-high-pressure-oil-free-n2-booster-for-demanding-industrial-applications\/","title":{"rendered":"LW-5.3\/16 Nitrogen Compressor \u2013 High-Pressure Oil-Free N2 Booster for Demanding Industrial Applications"},"content":{"rendered":"
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LW-5.3\/16 Nitrogen Compressor \u2013 High-Pressure Oil-Free N2 Booster for Demanding Industrial Applications<\/h1>\n

Engineered to deliver 5.3 m\u00b3\/min at 1.60 MPa discharge pressure, the LW-5.3\/16 is a two-stage, two-row oil-free piston nitrogen compressor purpose-built for high-pressure nitrogen injection, gas cylinder filling, and specialized petrochemical inerting operations. Zero oil contamination, compact footprint, and optimized for medium-duty industrial service at elevated pressure.<\/p>\n

Popro\u015b o wycen\u0119<\/a>
\nView N2 Compressor Series<\/a><\/div>\n

\"LW-5.3\/16<\/p>\n<\/div>\n

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Product Overview<\/h2>\n

Ten LW-5.3\/16 nitrogen compressor<\/strong> occupies a specialized niche within our oil-free piston compressor portfolio, engineered for applications that demand both moderate flow capacity and significantly elevated discharge pressure. With a rated capacity of 5.3 m\u00b3\/min<\/strong> and an impressive 1.60 MPa discharge pressure<\/strong>, this unit bridges the gap between conventional low-pressure nitrogen boosters and ultra-high-pressure gas filling systems.<\/p>\n

What distinguishes the LW-5.3\/16 is its completely oil-free compression mechanism<\/strong> utilizing self-lubricating PTFE composite piston rings and rider bands. This design philosophy eliminates any possibility of hydrocarbon contamination in the nitrogen product stream, making the unit immediately suitable for high-purity nitrogen cylinder filling, pharmaceutical-grade inerting, and electronics manufacturing where even trace oil content would compromise product integrity. The native oil-free certification achieves ISO 8573-1 Class 0 compliance<\/strong> without requiring additional downstream purification equipment.<\/p>\n

Its two-stage, two-row (\u4e8c\u5217\u4e8c\u7ea7)<\/strong> configuration is thermodynamically optimized for the high pressure ratio required to reach 1.60 MPa. The staged compression approach divides the total pressure burden between a low-pressure cylinder and a high-pressure cylinder, with an inter-stage cooler removing the heat of compression to maintain gas temperatures within safe limits. This thermal management is critical for preserving the integrity of the PTFE sealing elements under the demanding conditions of high-pressure operation. The compact dimensions\u20141947 \u00d7 1900 \u00d7 2580 mm<\/strong>\u2014and manageable weight of 3.97 tonnes<\/strong> make the LW-5.3\/16 suitable for installations where space is at a premium.<\/p>\n

\"LW-5.3\/16<\/p>\n<\/div>\n

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Technical Specifications \u2013 LW-5.3\/16<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\nUnit<\/th>\n<\/tr>\n<\/thead>\n
Model<\/td>\nLW-5.3\/16<\/td>\n\u2013<\/td>\n<\/tr>\n
Wz\u00f3r<\/td>\nTwo-stage, Two-row (\u4e8c\u5217\u4e8c\u7ea7)<\/td>\n\u2013<\/td>\n<\/tr>\n
Pojemno\u015b\u0107<\/td>\n5.3<\/td>\nm\u00b3\/min<\/td>\n<\/tr>\n
Ci\u015bnienie wylotowe<\/td>\n1.60<\/td>\nMPa<\/td>\n<\/tr>\n
Compressor Size (L \u00d7 W \u00d7 H)<\/td>\n1947 \u00d7 1900 \u00d7 2580<\/td>\nmm<\/td>\n<\/tr>\n
Waga<\/td>\n3.97<\/td>\nt<\/td>\n<\/tr>\n
Moc<\/td>\n55<\/td>\nkW<\/td>\n<\/tr>\n
Wolta\u017c<\/td>\n380<\/td>\nV<\/td>\n<\/tr>\n
Medium gazowe<\/td>\nNitrogen (N\u2082)<\/td>\n\u2013<\/td>\n<\/tr>\n
Lubrication<\/td>\nBez oleju<\/td>\n\u2013<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

* All specifications are rated at standard reference conditions (ISO 1217, Annex C). Actual performance may vary based on site altitude, ambient temperature, and inlet conditions.<\/em><\/p>\n<\/div>\n

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Key Features & Engineering Advantages<\/h2>\n

1. High-Pressure Oil-Free PTFE Sealing Technology<\/h3>\n

The LW-5.3\/16 employs a specialized self-lubricating piston ring and rider band system<\/strong> manufactured from high-performance PTFE composites reinforced with glass fiber and bronze particulates. This material formulation is specifically engineered for high-pressure service, achieving a coefficient of friction below 0.08 without any external hydrocarbon lubrication. The rings are dimensionally stable at temperatures up to 180\u00b0C, which is essential for managing the thermal loads associated with 1.60 MPa discharge pressure. For operators requiring high-purity nitrogen, this design delivers native ISO 8573-1 Class 0 compliance<\/strong>, eliminating the need for costly downstream oil-filtration systems.<\/p>\n

2. Two-Stage Compression for Extreme Pressure Ratios<\/h3>\n

Ten two-stage compression architecture<\/strong> is indispensable for achieving the 1.60 MPa discharge pressure from typical inlet conditions of 0.05\u20130.10 MPa. By dividing the overall pressure ratio between a low-pressure cylinder and a high-pressure cylinder, the LW-5.3\/16 maintains manageable discharge temperatures per stage. A dedicated high-efficiency shell-and-tube intercooler between stages removes the heat of compression, keeping gas temperatures below 160\u00b0C even at maximum continuous load. This thermal management strategy is critical for preserving PTFE ring integrity under high-pressure conditions and extends valve plate service life by approximately 35% compared to single-stage designs attempting equivalent pressure ratios.<\/p>\n

3. Compact Design with Robust Construction<\/h3>\n

Despite its high-pressure capability, the LW-5.3\/16 maintains a remarkably compact footprint of 1947 \u00d7 1900 \u00d7 2580 mm<\/strong>. This dimensional efficiency is achieved through a vertically oriented crankcase design that minimizes longitudinal space requirements while providing adequate maintenance access. The main frame is cast from GG25 gray cast iron<\/strong> with integral cooling water passages, and the two-row opposed-cylinder arrangement provides natural first-order force cancellation. At 3.97 tonnes<\/strong>, the unit can be transported and positioned using standard forklift equipment, eliminating the need for specialized rigging during installation or relocation.<\/p>\n

4. Standard 380V Direct-On-Line Motor Drive<\/h3>\n

The LW-5.3\/16 is powered by a 55 kW, 380V, 50Hz three-phase induction motor<\/strong> conforming to IEC 60034-1 efficiency class IE3. The standard low-voltage configuration integrates directly into existing 380V industrial distribution panels without requiring medium-voltage infrastructure or step-down transformers. This electrical simplicity reduces both capital expenditure and commissioning complexity, making the LW-5.3\/16 an attractive option for facilities upgrading from high-pressure bottled nitrogen or membrane separation systems to on-site compression.<\/p>\n

\"LW-5.3\/16<\/p>\n<\/div>\n

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Application Scenarios<\/h2>\n

High-Pressure Nitrogen Cylinder Filling Stations<\/h3>\n

The LW-5.3\/16 is ideally suited for nitrogen cylinder filling operations<\/strong> where high-pressure gas must be compressed into standard industrial cylinders at 15\u201320 MPa. The 1.60 MPa discharge pressure serves as the primary booster stage, feeding a downstream high-pressure compressor or booster pump that achieves the final cylinder charging pressure. The oil-free design is mandatory in cylinder filling applications because any oil contamination would compromise the purity of nitrogen delivered to end-users in food processing, medical, and electronics industries. The 5.3 m\u00b3\/min capacity supports filling rates of 20\u201330 cylinders per hour, making it suitable for medium-scale filling stations serving regional industrial gas markets.<\/p>\n

\"LW-5.3\/16<\/p>\n

Specialized Petrochemical High-Pressure Inerting<\/h3>\n

In petrochemical operations involving high-pressure reactors, catalyst regeneration systems, and hydrocracking units, nitrogen is required at elevated pressures for reactor inerting, catalyst preservation, and emergency depressurization<\/strong>. The LW-5.3\/16 high-pressure nitrogen compressor<\/a> delivers the 1.60 MPa pressure necessary to overcome reactor operating pressures and maintain positive inert gas flow. The oil-free certification is critical in these applications because any hydrocarbon contamination would poison precious metal catalysts, degrade product quality, and create safety hazards in hydrogen-rich process environments.<\/p>\n

Pharmaceutical High-Pressure Inerting & Blanketing<\/h3>\n

Pharmaceutical manufacturing facilities require high-purity nitrogen at elevated pressures for reactor blanketing, powder conveying, and sterile packaging operations<\/strong>. The LW-5.3\/16’s 1.60 MPa discharge pressure is sufficient to drive pneumatic conveying systems that transport active pharmaceutical ingredients (APIs) between process vessels without contamination risk. The oil-free design ensures compliance with FDA 21 CFR 211.72 (equipment cleaning and maintenance) and EU GMP Annex 1 (manufacture of sterile medicinal products), where any oil contamination would render batches unfit for human use.<\/p>\n

\"LW-5.3\/16<\/p>\n

Electronics High-Pressure Process Gas Supply<\/h3>\n

Semiconductor fabrication facilities and electronics assembly plants require high-pressure nitrogen for wafer handling, chemical vapor deposition (CVD) chamber purging, and lead-free soldering operations<\/strong>. The LW-5.3\/16’s 1.60 MPa pressure supports the high-flow pneumatic actuators and process gas manifolds used in advanced packaging lines. The oil-free certification is non-negotiable in electronics applications because even trace oil contamination can cause solder joint defects, delamination of conformal coatings, and catastrophic failure of sensitive optical components.<\/p>\n<\/div>\n

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Material & Construction<\/h2>\n

The LW-5.3\/16 is constructed from premium materials selected for high-pressure nitrogen compatibility, thermal stability, and extended service life:<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n
Component<\/th>\nMaterial<\/th>\nSpecification<\/th>\n<\/tr>\n<\/thead>\n
Cylinder Block<\/td>\nGray Cast Iron<\/td>\nGG25 \/ HT250, integral cooling water jackets<\/td>\n<\/tr>\n
Crankshaft<\/td>\nForged Alloy Steel<\/td>\n42CrMo4, Q&T, ISO 1940 G2.5 dynamically balanced<\/td>\n<\/tr>\n
Piston Rings<\/td>\nPTFE-Glass-Bronze Composite<\/td>\nSelf-lubricating, high-temp rated to 180\u00b0C<\/td>\n<\/tr>\n
Rider Bands<\/td>\nPTFE Composite<\/td>\nPiston guidance, anti-scuffing, wear rate <0.05 mm\/1000h<\/td>\n<\/tr>\n
Valve Plates<\/td>\nStal nierdzewna<\/td>\nSS316, concentric ring spring-loaded design<\/td>\n<\/tr>\n
Connecting Rods<\/td>\nForged Steel with Babbitt Bearings<\/td>\nPrecision-machined, oil-lubricated big end<\/td>\n<\/tr>\n
Intercooler<\/td>\nCarbon Steel Shell \/ SS316 Tubes<\/td>\nASME VIII Div.1, 1.5\u00d7 hydrotest, 30 min hold<\/td>\n<\/tr>\n
High-Pressure Cylinder Head<\/td>\nForged Steel<\/td>\nNormalized, 100% UT inspected<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

All pressure-bearing components are designed and fabricated in accordance with ASME BPVC Section VIII Division 1<\/strong> or Chinese GB 150 standards. Every weld joint undergoes 100% radiographic inspection (RT) per ASME Section V, Article 2, and each completed pressure vessel is subjected to a hydrostatic pressure test at 1.5 times the maximum allowable working pressure (MAWP) for a minimum hold period of 30 minutes.<\/p>\n

\"LW-5.3\/16<\/p>\n<\/div>\n

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Installation & Maintenance Guidelines<\/h2>\n

Foundation & Spatial Requirements<\/h3>\n

The LW-5.3\/16 has a dry weight of 3.97 tonnes and a low center of gravity due to its compact vertical design. A reinforced concrete pad of 5\u20136 tonnes<\/strong> is sufficient for stable operation, mounted on elastomeric vibration isolators (natural frequency 8\u201312 Hz). The two-row opposed-cylinder arrangement inherently cancels first-order inertial forces, minimizing vibration transmission. Required clearances: 1.0 m on the non-drive side for valve maintenance, 0.8 m on the drive side for motor access, and 1.5 m overhead for routine service.<\/p>\n

Cooling Water Specifications<\/h3>\n

Cooling water demand is approximately 15 m\u00b3\/h<\/strong> at an inlet temperature not exceeding 32\u00b0C. The water distribution circuit feeds the cylinder jackets and intercooler in parallel. Acceptable water quality: pH 6.5\u20138.5, total hardness < 300 mg\/L as CaCO\u2083, chloride < 50 mg\/L, suspended solids < 30 mg\/L. For installations without reliable municipal water supply, a compact closed-loop cooling tower with a 0.5 m\u00b3 buffer tank is recommended.<\/p>\n

Preventive Maintenance Schedule<\/h3>\n
\n\n\n\n\n\n\n\n\n\n
Interval<\/th>\nService Item<\/th>\nAction Required<\/th>\n<\/tr>\n<\/thead>\n
Daily<\/td>\nVisual & Operational Check<\/td>\nInspect for leaks, abnormal noise, cooling water flow, discharge temperature<\/td>\n<\/tr>\n
250 hours<\/td>\nValve Plate Inspection<\/td>\nCheck for carbon deposits, spring fatigue, or plate cracking<\/td>\n<\/tr>\n
1,000 hours<\/td>\nPiston Ring Wear Assessment<\/td>\nMeasure groove clearance; replace rings if clearance exceeds 0.20 mm<\/td>\n<\/tr>\n
4,000 hours<\/td>\nIntermediate Service<\/td>\nReplace piston rings, rider bands, and valve assemblies<\/td>\n<\/tr>\n
8,000 hours<\/td>\nMajor Overhaul<\/td>\nInspect crankshaft, measure bearing clearances, replace as needed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

The oil-free design of the LW-5.3\/16 dramatically simplifies maintenance compared to lubricated alternatives. There are no oil changes to schedule, no oil samples to analyze, no filter elements to replace, and no separator cartridges to monitor. The only consumable wear items are the PTFE piston rings and rider bands<\/strong>, which typically achieve 4,000\u20136,000 hours of service life under clean nitrogen conditions.<\/p>\n

\"LW-5.3\/16<\/p>\n<\/div>\n

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Compliance & Safety Certifications<\/h2>\n

The LW-5.3\/16 nitrogen compressor meets the following international standards and regulatory requirements:<\/p>\n

\n
Pressure Equipment<\/strong>
\nASME BPVC Section VIII Div.1, GB 150-2011, PED 2014\/68\/EU Module A<\/span><\/div>\n
Electrical & Machine Safety<\/strong>
\nIEC 60034-1 (IE3 efficiency), IEC 60204-1, ISO 12100<\/span><\/div>\n
Oil-Free Certification<\/strong>
\nISO 8573-1 Class 0 (Oil Content), T\u00dcV Rheinland tested<\/span><\/div>\n
Quality & Environmental<\/strong>
\nISO 9001:2015, ISO 14001:2015<\/span><\/div>\n<\/div>\n
\u26a0\ufe0f Safety Notice<\/strong><\/p>\n

Nitrogen is an odorless, colorless asphyxiant gas. All LW-5.3\/16 installations must include continuous oxygen monitoring in the compressor room and adjacent areas. Ventilation must maintain ambient oxygen above 19.5% per OSHA 29 CFR 1910.146. Alarm interlocks should trigger at 19.5% O\u2082 and hard shutdown at 18.0% O\u2082. Personnel entry requires portable oxygen monitors and a buddy system. High-pressure nitrogen systems require additional precautions including pressure relief devices, burst disc protection, and personnel training on high-pressure gas safety.<\/p>\n<\/div>\n

\"LW-5.3\/16<\/p>\n<\/div>\n

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Performance & Efficiency Analysis<\/h2>\n

The LW-5.3\/16 achieves a specific power consumption of approximately 10.38 kW per m\u00b3\/min<\/strong> of nitrogen delivered at 1.60 MPa discharge pressure. While this specific power is higher than low-pressure models due to the extreme pressure ratio, it remains competitive within the high-pressure oil-free piston compressor segment. For comparison, oil-lubricated alternatives in this pressure class typically consume 11.0\u201312.5 kW\/m\u00b3\/min, and diaphragm compressors (often selected for oil-free high-pressure service) can exceed 14 kW\/m\u00b3\/min.<\/p>\n

Over an 8,000-hour annual operating cycle, the LW-5.3\/16’s efficiency advantage versus less efficient alternatives yields approximately 25,000\u201355,000 kWh of energy savings<\/strong> per year. At $0.08\/kWh, this represents $2,000\u2013$4,400 in annual electricity cost reduction. However, the primary economic driver for LW-5.3\/16 selection is typically the elimination of oil-related consumables and downstream purification equipment<\/strong> rather than marginal energy savings.<\/p>\n

Ten total cost of ownership for high-pressure nitrogen compression<\/a> is dominated by maintenance labor and consumables. The LW-5.3\/16’s oil-free design eliminates oil changes ($300\u2013600\/year), filter replacements ($150\u2013300\/year), separator cartridge changes ($400\u2013800\/year), and oil analysis ($100\u2013200\/year), delivering total consumable savings of $950\u2013$1,900 annually compared to lubricated alternatives.<\/p>\n<\/div>\n

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Customization & OEM Capabilities<\/h2>\n

We provide flexible customization options to adapt the LW-5.3\/16 to specific installation constraints and end-user requirements:<\/p>\n