Atlas Copco pioneered oil-free air technology over sixty years and became the first manufacturer awarded CLASS 0 certification. The ZT 90 carries that standard into the air-cooled 90 kW class, and the package arrives as a complete all-in-one installation: place it on a flat floor, connect the power line and the air outlet, and push the start button.<\/p>\n
Air Cooling and the Full Feature Concept<\/h3>\n
Two names describe the branches of the ZT 90, and each adds one fact:<\/p>\n
- \n
- Est\u00e1ndar: el grupo compresor suministra aire sin aceite para redes con un sistema externo de tratamiento de aire situado aguas abajo; su dise\u00f1o refrigerado por aire disipa el calor de la compresi\u00f3n hacia la sala de m\u00e1quinas.<\/li>\n
- FF \u2014 Funcionalidad completa: el paquete integra el secador por adsorci\u00f3n IMD, por lo que el aire seco sale directamente de la m\u00e1quina sin que se consuma energ\u00eda externa en la regeneraci\u00f3n.<\/li>\n<\/ul>\n
The ZT 90 is offered as the ZT 90 – 7.5, – 8.6 and – 10 bar versions at 50 Hz, and as the ZT 90 – 7.25, – 9 and – 10.4 bar versions at 60 Hz, each with a high ambient temperature (HAT) variant on the 8.6 bar band. Every version combines with both branches.<\/p>\n
![\"Atlas](\"https:\/\/www.compressorpartsmall.com\/wp-content\/uploads\/2026\/10\/Atlas-Copco-ZT-90-1-300x202.webp\")
Atlas Copco ZT 90 (1)<\/figcaption><\/figure>\n Technical Specifications of the ZT 90<\/h2>\n
The table below condenses the ZT 90 into its headline figures:<\/p>\n
\n\n
\n Par\u00e1metro<\/th>\n Valor<\/th>\n<\/tr>\n \n Modelo<\/td>\n Atlas Copco ZT 90<\/td>\n<\/tr>\n \n Tipo de compresor<\/td>\n Compresor de tornillo sin aceite, refrigerado por aire<\/td>\n<\/tr>\n \n Control de capacidad<\/td>\n Velocidad fija<\/td>\n<\/tr>\n \n Potencia del motor instalado<\/td>\n 90 kW \/ 120 hp<\/td>\n<\/tr>\n \n Versiones de presi\u00f3n<\/td>\n 7.5 \/ 8.6 \/ 10 bar(e) at 50 Hz; 7.25 \/ 9 \/ 10.4 bar(e) at 60 Hz; HAT variant on the 8.6 bar band<\/td>\n<\/tr>\n \n Entrega gratuita por v\u00eda a\u00e9rea<\/td>\n 211.3-261.3 l\/s by version (12.7-15.7 m\u00b3\/min \/ 448-554 cfm)<\/td>\n<\/tr>\n \n Nivel sonoro<\/td>\n 76 dB(A) en el puesto de trabajo<\/td>\n<\/tr>\n \n Pureza del aire<\/td>\n ISO 8573-1 CLASE 0 (2010), certificado por T\u00dcV<\/td>\n<\/tr>\n \n Motor protection<\/td>\n Totally enclosed IP55 TEFC, IE3 efficiency class<\/td>\n<\/tr>\n \n Frecuencia<\/td>\n 50 Hz y 60 Hz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Datos nominales a 50 Hz<\/h3>\n
Unit performance is measured according to ISO 1217, annex C, edition 4 (2009). The 7.5 bar version is measured at 7 bar, the 8.6 bar version at 8 bar and the 10 bar version at 9 bar. The HAT variant carries the same hardware rating with a maximum intake and cooling air temperature of 50 degrees Celsius:<\/p>\n
\n\n
\n Versi\u00f3n<\/th>\n FAD (l\/s)<\/th>\n FAD (m\u00b3\/min)<\/th>\n FAD (cfm)<\/th>\n Ruido<\/th>\n<\/tr>\n \n ZT 90 – 7.5<\/td>\n 236.0<\/td>\n 14.2<\/td>\n 500<\/td>\n 76 dB(A)<\/td>\n<\/tr>\n \n ZT 90 – 8.6<\/td>\n 223.3<\/td>\n 13.4<\/td>\n 473<\/td>\n 76 dB(A)<\/td>\n<\/tr>\n \n ZT 90 – 8.6 HAT<\/td>\n 211.4<\/td>\n 12.7<\/td>\n 448<\/td>\n 76 dB(A)<\/td>\n<\/tr>\n \n ZT 90 – 10<\/td>\n 211.3<\/td>\n 12.7<\/td>\n 448<\/td>\n 76 dB(A)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n The 7.5 bar version leads the series at 236.0 l\/s (500 cfm), and the 10 bar band delivers 211.3 l\/s (448 cfm). The installed motor power stays at 90 kW across all versions, and the sound pressure level holds at 76 dB(A) at the work station.<\/p>\n
Datos nominales a 60 Hz<\/h3>\n
The 60 Hz versions cover three bands from 7.25 to 10.4 bar(e) with the HAT variant on the 8.6 bar band, and the motor is rated at 120 hp. The measurement pressures follow the same rule as at 50 Hz:<\/p>\n
\n\n
\n Versi\u00f3n<\/th>\n FAD (l\/s)<\/th>\n FAD (m\u00b3\/min)<\/th>\n FAD (cfm)<\/th>\n Ruido<\/th>\n<\/tr>\n \n ZT 90 – 7.25<\/td>\n 261.3<\/td>\n 15.7<\/td>\n 554<\/td>\n 76 dB(A)<\/td>\n<\/tr>\n \n ZT 90 – 8.6 HAT<\/td>\n 226.9<\/td>\n 13.6<\/td>\n 481<\/td>\n 76 dB(A)<\/td>\n<\/tr>\n \n ZT 90 – 9<\/td>\n 236.1<\/td>\n 14.2<\/td>\n 500<\/td>\n 76 dB(A)<\/td>\n<\/tr>\n \n ZT 90 – 10.4<\/td>\n 226.8<\/td>\n 13.6<\/td>\n 481<\/td>\n 76 dB(A)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n The 7.25 bar version tops the whole series at 261.3 l\/s (554 cfm). The noise level is the A-weighted emission sound pressure level at the work station, measured according to ISO 2151: 2004 using ISO 9614\/2, with a total uncertainty value of 3 dB(A).<\/p>\n
Dimensiones y peso<\/h3>\n
The Full Feature package of the ZT 90 takes 700 mm more length than the Standard build, the only footprint difference in the family:<\/p>\n
\n\n
\n Sucursal<\/th>\n Peso<\/th>\n Dimensiones (largo \u00d7 ancho \u00d7 alto)<\/th>\n<\/tr>\n \n ZT 90, Standard<\/td>\n 2,050 kg \/ 4,519 lb<\/td>\n 2.180 \u00d7 1.450 \u00d7 2.184 mm (85,8 \u00d7 57,1 \u00d7 86,0 pulgadas)<\/td>\n<\/tr>\n \n ZT 90, Full Feature<\/td>\n 2,650 kg \/ 5,842 lb<\/td>\n 2.880 \u00d7 1.450 \u00d7 2.184 mm (113,4 \u00d7 57,1 \u00d7 86,0 pulgadas)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n La versi\u00f3n est\u00e1ndar mide 2.180 mm de longitud, mientras que el secador integrado de la versi\u00f3n \u00abFull Feature\u00bb ampl\u00eda las dimensiones del conjunto hasta los 2.880 mm. No se requieren cimientos para ninguna de las dos versiones, y el conjunto se instala directamente sobre el suelo plano de la sala de compresores.<\/p>\n
![\"Atlas](\"https:\/\/www.compressorpartsmall.com\/wp-content\/uploads\/2026\/10\/Atlas-Copco-ZT-90-2-300x202.webp\")
Atlas Copco ZT 90 (2)<\/figcaption><\/figure>\n Pureza del aire de clase 0, verificada por T\u00dcV<\/h2>\n
The ZT 90 belongs to the first compressor range in the industry certified oil-free according to ISO 8573-1 CLASS 0 (2010). T\u00dcV type-tested the range with the most rigorous methodologies available, measuring all possible oil forms across a range of temperatures and pressures, and found no traces of oil at all in the output air stream. CLASS 0 is the most stringent class of the standard: the total oil concentration is as specified by the equipment user or supplier and more stringent than class 1.<\/p>\n
That certification is what makes the ZT 90 the default choice where a single trace of oil costs a batch: food and beverage lines running fermentation, packaging and filling, electronics plants cleaning chips and boards, petrochemical operations in extreme heat and humidity, and pharmaceutical production from tablet coating to bottling.<\/p>\n
El dise\u00f1o refrigerado por aire<\/h3>\n
Air cooling defines the ZT branch of the family. A stainless steel pre-cooler with fins handles the heat exchange with excellent transfer and easy access for cleaning, and low-noise, low-energy radial cooling fans reject the heat into the machine room. Because no cooling water circuit is needed, the ZT 90 installs where the water-cooled ZR 90 cannot: laboratory buildings, workshops and remote sites that run oil-free air on a power line alone.<\/p>\n
Built for High Ambient Temperatures<\/h3>\n
The ZT 90 is the branch of the family that carries the high ambient temperature version, required when the ambient temperature rises above 40 degrees Celsius. The HAT variant of the 8.6 bar band is rated for a maximum intake and cooling air temperature of 50 degrees Celsius, which keeps certified oil-free production running in hot climates and poorly ventilated machine rooms where a standard package would have to derate.<\/p>\n
Art\u00edculo completo: El secador por adsorci\u00f3n IMD integrado<\/h2>\n
In the ZT 90 Full Feature, the IMD adsorption dryer eliminates the moisture before it enters the air net. The dryer uses the heat of the compressor for regeneration, so no external energy is needed to dry the air, and the savings against a conventional dryer are large. The pressure drop through the dryer is minimal, which cuts the operating cost again, and the whole drying function lives inside the compressor package instead of beside it.<\/p>\n
![\"Atlas](\"https:\/\/www.compressorpartsmall.com\/wp-content\/uploads\/2026\/10\/Atlas-Copco-ZT-90-3-300x202.webp\")
Atlas Copco ZT 90 (3)<\/figcaption><\/figure>\n Control y supervisi\u00f3n<\/h2>\n
The Elektronikon unit controller runs the compressor and the integrated dryer from one control system. The high-resolution color display shows the running conditions with clear icons and intuitive navigation, monitors the maintenance status, and raises pro-active service indications, alarms for malfunctions and safety shutdowns. The display supports 31 different languages, and built-in remote control and notification functions come as standard with ethernet-based communication.<\/p>\n
SMARTLINK y opciones<\/h3>\n
The option list of the ZT 90 tailors the package to the plant:<\/p>\n
- \n
- Paquete de monitorizaci\u00f3n y protecci\u00f3n: calentadores anticondensaci\u00f3n, sistema de monitorizaci\u00f3n de rodamientos SPM y sensores PT 1000 en los devanados y los rodamientos.<\/li>\n
- SMARTLINK: supervisi\u00f3n en l\u00ednea de los datos del sistema de aire comprimido con avisos de alerta y programaci\u00f3n del mantenimiento.<\/li>\n
- Sensor PDP y kit de baja carga: opciones con todas las prestaciones para la verificaci\u00f3n del punto de roc\u00edo y un funcionamiento estable a carga parcial.<\/li>\n
- High ambient temperature version \u2014 the air-cooled branch option for ambient temperatures above 40 degrees Celsius.<\/li>\n
- Placas de anclaje, embalaje en caja de madera, certificados de materiales, certificado de ensayo y ensayo de rendimiento realizado ante testigos: para una instalaci\u00f3n controlada y una recepci\u00f3n documentada.<\/li>\n
- Elementos sin tefl\u00f3n y kit de purga para aire seco durante las paradas \u2014para materiales de recubrimiento espec\u00edficos y entornos tropicales\u2014.<\/li>\n<\/ul>\n
![\"Atlas](\"https:\/\/www.compressorpartsmall.com\/wp-content\/uploads\/2026\/10\/Atlas-Copco-ZT-90-4-300x202.webp\")
Atlas Copco ZT 90 (4)<\/figcaption><\/figure>\n Applications of the ZT 90<\/h2>\n
Food and beverage plants run the ZT 90 for fermentation, aeration, transportation, filling and capping, where the CLASS 0 certification removes the contamination risk from the audit trail. Electronics manufacturers use the clean, dry air for removing microscopic debris from chip and board surfaces, and petrochemical sites value the machine’s ability to run in extreme temperatures and humidity conditions around the clock.<\/p>\n
Pharmaceutical production completes the picture, from fermentation and tablet coating to packing and bottling, where 100 percent oil-free air protects both the process and the brand. Where the demand profile fluctuates heavily, the plant adds the ZT 90 VSD of the same rating next to this fixed-speed machine, and growing networks step up to the ZR\/ZT 110-275 class above.<\/p>\n
Service and Support Around the ZT 90<\/h2>\n
The ZT 90 is built for long overhaul intervals, few service interventions and minimal maintenance cost, and every machine is tested before delivery to ensure it meets the specifications. A global service operation with field service engineers across 160 countries backs the installed base, and genuine Atlas Copco parts keep the package at its rated performance.<\/p>\n
Seadweer supplies genuine Atlas Copco spare parts and service kits for the ZT 90 and its Full Feature branch. Send us the compressor model together with the parts you need, and the correct items are confirmed with the quotation in one pass.<\/p>\n
![\"Atlas](\"https:\/\/www.compressorpartsmall.com\/wp-content\/uploads\/2026\/10\/Atlas-Copco-ZT-90-5-300x202.webp\")
Atlas Copco ZT 90 (5)<\/figcaption><\/figure>\n Preguntas frecuentes<\/h2>\n
What does the ZT 90 deliver at 8.6 bar?<\/h3>\n
The 8.6 bar version delivers 223.3 l\/s at 50 Hz, which equals 13.4 m\u00b3\/min or 473 cfm, measured at 8 bar according to ISO 1217 annex C, edition 4 (2009). The HAT variant of the same band reads 211.4 l\/s (448 cfm) for 50 degrees Celsius intake air.<\/p>\n
Is the ZT 90 an air-cooled machine?<\/h3>\n
Yes. The ZT letter marks the air-cooled branch of the ZR\/ZT family: a stainless steel pre-cooler with fins and low-noise radial fans reject the heat, and no cooling water circuit is required. The water-cooled equivalent is the ZR 90.<\/p>\n
\u00bfHasta qu\u00e9 punto est\u00e1 libre de aceite el aire?<\/h3>\n
The ZT 90 carries the ISO 8573-1 CLASS 0 (2010) certification verified by T\u00dcV, the most stringent class of the standard. T\u00dcV testing found no traces of oil at all in the output air stream across the tested range.<\/p>\n
\u00bfQu\u00e9 incluye la versi\u00f3n \u00abFull Feature\u00bb?<\/h3>\n
FF integrates the IMD adsorption dryer inside the compressor package. The dryer regenerates with the heat of the compressor, so no external energy is needed, and the package grows from 2,050 kg to 2,650 kg and from 2,180 mm to 2,880 mm in length.<\/p>\n
What is the HAT version for?<\/h3>\n
HAT stands for the high ambient temperature variant, rated for a maximum intake and cooling air temperature of 50 degrees Celsius. It is required when the ambient temperature rises above 40 degrees Celsius, and the ZT branch is the one that carries it.<\/p>\n
How loud is the ZT 90?<\/h3>\n
The sound pressure level at the work station reads 76 dB(A) on every version at both frequencies. The value follows ISO 2151: 2004 with the ISO 9614\/2 method and carries a total uncertainty value of 3 dB(A).<\/p>","protected":false},"excerpt":{"rendered":"
The Atlas Copco ZT 90 is the air-cooled oil-free rotary screw compressor of the ZR\/ZT 55-90 family, delivering 211.3 to 261.3 l\/s across the 7.5, 8.6 and 10 bar versions at 50 Hz and the 7.25, 9 and 10.4 bar versions at 60 Hz, with a high ambient temperature variant rated for 50 degrees Celsius intake air. The Full Feature build integrates the IMD adsorption dryer in a 2,880 mm package and carries the T\u00dcV-verified ISO 8573-1 CLASS 0 certification. For a quotation on the ZT 90, send us your oil-free air demand and Seadweer confirms the configuration with the offer.<\/p>","protected":false},"featured_media":8525,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[3692],"product_cat":[3749],"product_tag":[3751],"class_list":["post-8530","product","type-product","status-publish","has-post-thumbnail","product_brand-atlas-copco","product_cat-oil-free","product_tag-oil-free-air-compressors","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.compressorpartsmall.com\/es\/wp-json\/wp\/v2\/product\/8530","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.compressorpartsmall.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.compressorpartsmall.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.compressorpartsmall.com\/es\/wp-json\/wp\/v2\/comments?post=8530"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.compressorpartsmall.com\/es\/wp-json\/wp\/v2\/media\/8525"}],"wp:attachment":[{"href":"https:\/\/www.compressorpartsmall.com\/es\/wp-json\/wp\/v2\/media?parent=8530"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.compressorpartsmall.com\/es\/wp-json\/wp\/v2\/product_brand?post=8530"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.compressorpartsmall.com\/es\/wp-json\/wp\/v2\/product_cat?post=8530"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.compressorpartsmall.com\/es\/wp-json\/wp\/v2\/product_tag?post=8530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}