{"id":9122,"date":"2023-01-21T21:01:13","date_gmt":"2023-01-21T21:01:13","guid":{"rendered":"https:\/\/resato-waterjet.com\/?post_type=product&p=9122"},"modified":"2025-09-26T11:58:10","modified_gmt":"2025-09-26T11:58:10","slug":"pj4-4000","status":"publish","type":"product","link":"https:\/\/resato-waterjet.com\/en\/product\/pj4-4000\/","title":{"rendered":"PJ4-4000"},"content":{"rendered":"

The PJ4-4000 high pressure pump works on the pressure booster principle, with the pressure booster (intensifier) being powered by an electro hydraulic pump. The intensifier converts oil pressure into water pressure controllable from 300 to 4,000 bar.<\/p>\n

 <\/p>\n

A pressure compensated hydraulic axial piston pump<\/a> is driven by a 30kW electric motor, with a maximum oil pressure of 200 bar. The hydraulic pump has an electronic pressure control and a safety valve that relieves system pressure when the pump switches off.<\/p>\n

 <\/p>\n

Accumulator<\/strong>
\nTo minimize pressure pulses in the system caused by intensifier switching and the opening and shut-off of the cutting head, the system embodies an integrated 2.5 liter accumulator. The accumulator has a proven track record in ensuring considerable reduction in wear of the high pressure tubing and fittings.<\/p>\n

 <\/p>\n

Technical specification<\/strong><\/p>\n\n\n\n\n\n\n\n
PJ4-4000<\/td>\n<\/td>\n<\/tr>\n
Maximum capacity<\/td>\n3,8 L\/min<\/td>\n<\/tr>\n
Maximum pressure<\/td>\n4000 bar<\/td>\n<\/tr>\n
Maximum power<\/td>\n30 kW<\/td>\n<\/tr>\n
Number of pressure boosters<\/td>\n1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

The Waterjet Pump can be extended with several options<\/a> and features to further improve your waterjet cutting performance.<\/p>\n","protected":false},"excerpt":{"rendered":"

Excellent cutting quality due to minimal pressure fluctuations through the optimization of stroke volume, a high pressure accumulator and electronic switching by the pressure booster<\/p>\n

Design and working height provides easy access to all important components<\/p>\n

User friendly operation via touch panel<\/p>\n

Low noise level: <72 DB<\/p>\n","protected":false},"featured_media":11255,"template":"","meta":{"content-type":""},"product_brand":[],"product_cat":[125],"product_tag":[126],"class_list":{"0":"post-9122","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-waterjet-cutting-pumps","7":"product_tag-waterjet-cutting-pumps","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-external"},"yoast_head":"\nPJ4-4000 - Resato Waterjet<\/title>\n<meta name=\"description\" content=\"The PJ4-4000 intensifier pump generates a high and steady water pressure from 300 to 4000 bar with a relatively low oil pressure.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/resato-waterjet.com\/en\/product\/pj4-4000\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PJ4-4000 - 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