{"id":568,"date":"2026-07-20T06:42:58","date_gmt":"2026-07-20T06:42:58","guid":{"rendered":"https:\/\/n2-compressor.com\/?post_type=product&p=568"},"modified":"2026-07-20T06:42:59","modified_gmt":"2026-07-20T06:42:59","slug":"lw-16-5-13-nitrogen-compressor","status":"publish","type":"product","link":"https:\/\/n2-compressor.com\/ru\/product\/lw-16-5-13-nitrogen-compressor\/","title":{"rendered":"LW-16.5\/13 Nitrogen Compressor \u2013 Medium-Flow High-Pressure Oil-Free N2 Booster for Demanding Industrial Applications"},"content":{"rendered":"
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LW-16.5\/13 Nitrogen Compressor \u2013 Medium-Flow High-Pressure Oil-Free N2 Booster for Demanding Industrial Applications<\/h1>\n

Engineered to deliver 16.5 m\u00b3\/min at 1.30 MPa discharge pressure, the LW-16.5\/13 is a two-stage, two-row oil-free piston nitrogen compressor purpose-built for high-pressure nitrogen injection, chemical synthesis, and specialized industrial gas distribution where elevated pressure and uncompromised purity converge. Zero lubricant contamination, continuous-duty rated, and optimized for 24\/7 operation in the most demanding process environments.<\/p>\n

Request a Quote<\/a>
\nView N2 Compressor Series<\/a><\/div>\n

\"LW-16.5\/13<\/p>\n<\/div>\n

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\u041e\u0431\u0437\u043e\u0440 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430<\/h2>\n

The LW-16.5\/13 nitrogen compressor<\/strong> occupies a specialized niche within our oil-free piston compressor portfolio, bridging the gap between medium-flow capacity and high-pressure discharge requirements. With a rated capacity of 16.5 m\u00b3\/min<\/strong> and an elevated discharge pressure of 1.30 MPa<\/strong>, this unit is engineered for process applications where nitrogen must be delivered at pressures substantially higher than conventional distribution headers.<\/p>\n

What distinguishes the LW-16.5\/13 from standard nitrogen compressors is its ability to achieve 1.30 MPa discharge pressure<\/strong> while maintaining complete oil-free integrity throughout the compression path. The piston rings and rider bands are fabricated from high-performance self-lubricating PTFE composites specifically formulated for elevated pressure and temperature conditions. This ensures the nitrogen stream remains completely free of hydrocarbon contamination, achieving ISO 8573-1 Class 0 certification<\/strong> without any downstream purification equipment. For chemical synthesis, high-pressure reactor inerting, and specialty gas applications, this native purity is non-negotiable.<\/p>\n

The compressor utilizes a two-stage, two-row (\u4e8c\u5217\u4e8c\u7ea7)<\/strong> configuration that is thermodynamically essential for managing the substantial pressure ratio required to reach 1.30 MPa. The pressure ratio is optimally distributed between a low-pressure cylinder and a high-pressure cylinder, with an inter-stage cooler removing the heat of compression between stages. This staged approach limits the discharge temperature of each stage to below 160\u00b0C, preserving the dimensional stability of the PTFE sealing elements and extending valve plate service life. The robust cast-iron frame and precision-balanced forged steel crankshaft are rated for a minimum operational life of 120,000 hours<\/strong> under standard maintenance protocols.<\/p>\n

\"LW-16.5\/13<\/p>\n<\/div>\n

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Technical Specifications \u2013 LW-16.5\/13<\/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
\u041c\u043e\u0434\u0435\u043b\u044c<\/td>\nLW-16.5\/13<\/td>\n\u2013<\/td>\n<\/tr>\n
\u0428\u0430\u0431\u043b\u043e\u043d<\/td>\nTwo-stage, Two-row (\u4e8c\u5217\u4e8c\u7ea7)<\/td>\n\u2013<\/td>\n<\/tr>\n
\u0415\u043c\u043a\u043e\u0441\u0442\u044c<\/td>\n16.5<\/td>\n\u043c\u00b3\/\u043c\u0438\u043d<\/td>\n<\/tr>\n
\u0414\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043d\u0430 \u0432\u044b\u0445\u043e\u0434\u0435<\/td>\n1.30<\/td>\n\u041c\u041f\u0430<\/td>\n<\/tr>\n
Compressor Size (L \u00d7 W \u00d7 H)<\/td>\n2675 \u00d7 1550 \u00d7 2520<\/td>\nmm<\/td>\n<\/tr>\n
\u041c\u0430\u0441\u0441\u0430<\/td>\n3.00<\/td>\nt<\/td>\n<\/tr>\n
\u0412\u043b\u0430\u0441\u0442\u044c<\/td>\n160<\/td>\n\u043a\u0412\u0442<\/td>\n<\/tr>\n
\u041d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435<\/td>\n380<\/td>\nV<\/td>\n<\/tr>\n
\u0413\u0430\u0437\u043e\u0432\u0430\u044f \u0441\u0440\u0435\u0434\u0430<\/td>\nNitrogen (N\u2082)<\/td>\n\u2013<\/td>\n<\/tr>\n
Lubrication<\/td>\nOil-free<\/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-16.5\/13 employs an advanced self-lubricating piston ring and rider band system<\/strong> manufactured from high-density PTFE composites reinforced with glass fiber, carbon fiber, and bronze particulates. This specialized formulation is engineered for the elevated pressures and temperatures associated with 1.30 MPa discharge operation, achieving a coefficient of friction below 0.06 without any hydrocarbon lubrication. The rings maintain dimensional stability up to 190\u00b0C, ensuring reliable sealing performance even during sustained high-pressure operation. For chemical process operators, this delivers native ISO 8573-1 Class 0 compliance<\/strong> without downstream oil-filtration capital expenditure or maintenance burden.<\/p>\n

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

The two-stage compression architecture<\/strong> is not merely beneficial but essential for achieving 1.30 MPa discharge pressure from near-atmospheric inlet conditions. The pressure ratio is divided between a low-pressure cylinder and a high-pressure cylinder, with a high-efficiency shell-and-tube intercooler removing the heat of compression between stages. This staged approach limits the discharge temperature of each stage to below 160\u00b0C, preventing thermal degradation of the PTFE sealing elements and extending valve plate service life by approximately 50% compared to single-stage designs attempting equivalent pressure ratios. The intercooler is oversized for the duty, providing a safety margin during ambient temperature excursions.<\/p>\n

3. Compact Yet Robust Frame Construction<\/h3>\n

The main frame is cast from GG25 gray cast iron<\/strong> (equivalent to ASTM A48 Class 30B) with integral cooling water passages. Despite the high-pressure capability, the LW-16.5\/13 maintains a relatively compact footprint of 2675 \u00d7 1550 \u00d7 2520 mm<\/strong> and a weight of just 3.00 tonnes<\/strong>. The two-row opposed-cylinder arrangement provides inherent first-order force cancellation, reducing vibration transmission and permitting installation on a modest reinforced concrete inertia block of 5\u20136 tonnes. This compactness is particularly advantageous for retrofit installations in existing chemical plants and process facilities where space and foundation capacity are limited.<\/p>\n

4. Standard 380V Industrial Motor Drive<\/h3>\n

The LW-16.5\/13 is driven by a 160 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, step-down transformers, or specialized switchgear. This electrical simplicity reduces both capital expenditure and commissioning complexity, making the LW-16.5\/13 an attractive upgrade path for facilities transitioning from bottled high-pressure nitrogen or hydraulic gas boosters to continuous on-site compression.<\/p>\n

\"LW-16.5\/13<\/p>\n<\/div>\n

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Application Scenarios<\/h2>\n

High-Pressure Chemical Synthesis & Reactor Inerting<\/h3>\n

In chemical manufacturing facilities, the LW-16.5\/13 provides high-pressure nitrogen for reactor inerting, catalyst bed preservation, and emergency nitrogen injection<\/strong> into process vessels operating at elevated pressures. The 1.30 MPa discharge pressure is sufficient to overcome the internal pressure of most batch reactors, autoclaves, and high-pressure synthesis loops, allowing direct nitrogen injection without intermediate boosting. The oil-free design is absolutely critical in chemical synthesis because any hydrocarbon contamination would poison precious metal catalysts, initiate unwanted side reactions, or compromise product purity in fine chemical and pharmaceutical manufacturing.<\/p>\n

\"LW-16.5\/13<\/p>\n

High-Pressure VPSA Nitrogen Boosting<\/h3>\n

For VPSA nitrogen generators producing high-purity nitrogen at near-atmospheric pressure, the LW-16.5\/13 nitrogen booster<\/a> compresses the low-pressure product to 1.30 MPa for high-pressure distribution to demanding process consumers. The 16.5 m\u00b3\/min capacity is well-matched to medium-scale VPSA installations serving chemical plants, specialty gas facilities, and high-pressure blanketing applications. The oil-free compression path protects the carbon molecular sieve from hydrocarbon poisoning, preserving adsorbent life and maintaining nitrogen purity.<\/p>\n

Oil & Gas Pipeline Purging & Pressure Testing<\/h3>\n

In oil and gas pipeline construction and maintenance, nitrogen is used for pipeline purging, hydrostatic test displacement, and dried-inert gas packing<\/strong> before commissioning. The LW-16.5\/13’s 1.30 MPa discharge pressure is adequate for purging medium-diameter pipelines (up to 24-inch nominal bore) and for hydrotest displacement in pipelines operating at pressures up to 10 MPa. The oil-free design prevents hydrocarbon contamination of pipeline interiors, which is essential for gas transmission pipelines where even trace oil residues could foul gas quality meters, compressor stations, and end-user equipment.<\/p>\n

\"LW-16.5\/13<\/p>\n

Specialty Gas & Cylinder Filling Operations<\/h3>\n

Specialty gas facilities and industrial gas distributors require high-pressure nitrogen for cylinder filling, bundle charging, and gas mixture preparation<\/strong>. The LW-16.5\/13’s 1.30 MPa discharge pressure is sufficient to fill high-pressure nitrogen cylinders (typically 15 MPa working pressure) through a multi-stage gas booster or compressor cascade. The oil-free certification ensures that filled cylinders meet the purity specifications of analytical grade, ultra-high purity, and research-grade nitrogen without requiring additional purification steps.<\/p>\n<\/div>\n

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Material & Construction<\/h2>\n

The LW-16.5\/13 is constructed from premium materials selected for high-pressure nitrogen compatibility, elevated temperature resistance, and extended operational life:<\/p>\n

\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-Carbon-Bronze Composite<\/td>\nSelf-lubricating, high-temp rated to 190\u00b0C<\/td>\n<\/tr>\n
Rider Bands<\/td>\nPTFE Composite<\/td>\nPiston guidance, anti-scuffing, wear rate <0.04 mm\/1000h<\/td>\n<\/tr>\n
Valve Plates<\/td>\nStainless Steel<\/td>\nSS316, concentric ring spring-loaded, high-pressure rated<\/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
Aftercooler<\/td>\nCarbon Steel Shell \/ SS316 Tubes<\/td>\nFinned tube design, 32\u00b0C cooling water rated<\/td>\n<\/tr>\n
High-Pressure Piping<\/td>\nSeamless Carbon Steel<\/td>\nASTM A106 Grade B, 1.5\u00d7 design pressure rated<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

All pressure-bearing components are designed and fabricated in strict 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-16.5\/13<\/p>\n<\/div>\n

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Installation & Maintenance Guidelines<\/h2>\n

Foundation & Spatial Requirements<\/h3>\n

The LW-16.5\/13 has a dry weight of 3.00 tonnes and a center of gravity approximately 800 mm above the baseplate. The two-row opposed-cylinder design provides excellent force balance, allowing installation on a reinforced concrete inertia block of 5\u20136 tonnes<\/strong>. The block should be mounted on elastomeric vibration isolators (natural frequency 8\u201312 Hz) to prevent vibration transmission. Required clearances: 1.2 m on the non-drive side for valve access, 1.0 m on the drive side for motor maintenance, and 1.5 m overhead for crane access during major overhauls. The compact footprint makes the LW-16.5\/13 suitable for installation in existing machinery rooms with limited floor space.<\/p>\n

Cooling Water System Design<\/h3>\n

Cooling water demand is approximately 18 m\u00b3\/h<\/strong> at an inlet temperature not exceeding 32\u00b0C. The water distribution circuit supplies the cylinder jackets and intercooler in parallel branches. Water quality specifications: pH 6.5\u20138.5, total dissolved solids < 500 mg\/L, chloride content < 50 mg\/L (to prevent SS316 tube corrosion), suspended solids < 30 mg\/L, and total hardness < 300 mg\/L as CaCO\u2083. For sites with marginal water quality, a compact closed-loop cooling tower with side-stream filtration is recommended to prevent scale formation and corrosion in the high-pressure cooling circuits.<\/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>\nOperational Inspection<\/td>\nCheck vibration levels, abnormal noise, cooling water flow, discharge temperature and pressure<\/td>\n<\/tr>\n
250 hours<\/td>\nValve Plate Inspection<\/td>\nRemove and inspect suction\/discharge valves for carbon deposits, spring fatigue, or cracking<\/td>\n<\/tr>\n
1,000 hours<\/td>\nPiston Ring Wear Assessment<\/td>\nMeasure ring groove clearance; replace rings if clearance exceeds 0.20 mm<\/td>\n<\/tr>\n
4,000 hours<\/td>\nIntermediate Overhaul<\/td>\nReplace all piston rings, rider bands, and valve plate assemblies<\/td>\n<\/tr>\n
8,000 hours<\/td>\nMajor Overhaul<\/td>\nInspect crankshaft journals, measure main bearing clearances, replace bearings if >0.08 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

The oil-free design of the LW-16.5\/13 dramatically simplifies maintenance compared to lubricated alternatives. There are no oil changes to schedule, no lubricating oil samples to analyze, no oil filter elements to replace, and no oil 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. At 1.30 MPa discharge pressure, ring wear rates are slightly elevated compared to low-pressure operation, and we recommend adhering to the 4,000-hour replacement interval for optimal reliability.<\/p>\n

\"LW-16.5\/13<\/p>\n<\/div>\n

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Compliance & Safety Certifications<\/h2>\n

The LW-16.5\/13 nitrogen compressor is designed, manufactured, and tested to meet the following international standards and regulatory frameworks:<\/p>\n

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Pressure Equipment Directive<\/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 machinery safety<\/span><\/div>\n
Oil-Free Air Quality<\/strong>
\nISO 8573-1 Class 0 (Oil Content), independently tested by T\u00dcV Rheinland<\/span><\/div>\n
Quality & Environmental<\/strong>
\nISO 9001:2015 (Quality Management), ISO 14001:2015 (Environmental Management)<\/span><\/div>\n<\/div>\n
\u26a0\ufe0f Critical Safety Advisory<\/strong><\/p>\n

Nitrogen is classified as a simple asphyxiant gas. At 1.30 MPa discharge pressure, the risk of rapid nitrogen release and oxygen displacement is significantly elevated. All LW-16.5\/13 installations must incorporate continuous oxygen deficiency monitoring in the compressor room and all adjacent areas. Ventilation systems must be engineered to maintain ambient oxygen concentrations above 19.5% volume per OSHA 29 CFR 1910.146. Emergency shutdown interlocks should activate at 19.5% O\u2082 (alarm) and trigger automatic compressor isolation at 18.0% O\u2082 (hard shutdown). High-pressure nitrogen piping must be designed, fabricated, and inspected in accordance with ASME B31.3 Process Piping standards. All personnel working on high-pressure nitrogen systems must be trained in pressure safety and asphyxiation hazards.<\/p>\n<\/div>\n

\"LW-16.5\/13<\/p>\n<\/div>\n

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Performance & Efficiency Analysis<\/h2>\n

The LW-16.5\/13 achieves a specific power consumption of approximately 9.70 kW per m\u00b3\/min<\/strong> of nitrogen delivered at 1.30 MPa discharge pressure. This specific power reflects the thermodynamic penalty associated with the high pressure ratio required to reach 1.30 MPa from near-atmospheric inlet conditions. While higher than low-pressure compressors, this efficiency is competitive within the high-pressure oil-free piston compressor segment. For comparison, oil-lubricated screw compressors operating at equivalent pressure ratios typically consume 10.5\u201312.0 kW\/m\u00b3\/min, and hydraulic gas boosters (often used for high-pressure nitrogen) can exceed 15 kW\/m\u00b3\/min.<\/p>\n

Over a standard 8,000-hour annual operating schedule, the LW-16.5\/13’s efficiency advantage versus less efficient alternatives yields approximately 66,000\u2013132,000 kWh of annual energy savings<\/strong>. At $0.08\/kWh, this represents $5,280\u2013$10,560 in direct electricity cost reduction per year. However, the primary economic justification for the LW-16.5\/13 typically stems from the elimination of oil-related consumables and the avoidance of downstream purification equipment<\/strong> rather than marginal energy savings. The total cost of ownership for high-pressure nitrogen compression<\/a> is reduced by an estimated 25\u201335% over a 10-year operational life when compared to oil-lubricated alternatives requiring extensive downstream purification.<\/p>\n

The oil-free design also eliminates the energy penalty of downstream oil-removal equipment. A typical oil-lubricated high-pressure compressor requires multi-stage coalescing filters, activated carbon adsorbers, and continuous oil monitoring instrumentation that collectively consume 4\u20136% of the compressor’s power output. The LW-16.5\/13’s native oil-free certification removes this parasitic load entirely, improving effective system efficiency and reducing electrical infrastructure requirements.<\/p>\n<\/div>\n

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Customization & OEM Capabilities<\/h2>\n

We offer comprehensive customization options to adapt the LW-16.5\/13 to specific process requirements, site conditions, and integration constraints:<\/p>\n