{"id":9185,"date":"2025-12-08T09:46:39","date_gmt":"2025-12-08T08:46:39","guid":{"rendered":"https:\/\/dev.justdive-croatia.com\/?post_type=product&p=9185"},"modified":"2026-03-04T23:15:30","modified_gmt":"2026-03-04T22:15:30","slug":"ac5-1st-stage","status":"publish","type":"product","link":"https:\/\/justdive-croatia.com\/hr\/proizvod\/ac5-1st-stage\/","title":{"rendered":"AC5 1st stage"},"content":{"rendered":"

The AC5 is a piston-controlled first stage that represents the workhorse of the diving industry: simple, robust, reliable! At Cressi, all piston first stages feature our proprietary external direct adjustment system, reducing the regular need for replacement parts or shims, thus minimizing service costs over many years. The AC5 boasts an optimized design for maximum flow and a conical filter for improved filtration in both versions, DIN or INT. Enlarged water passage slots allow for perfectly efficient rinsing, better pressure balance, and enlarged tool housing holes for easy maintenance.<\/p>","protected":false},"excerpt":{"rendered":"

\u2022 New piston 1st stage with INT or DIN 300bar connection.
\n\u2022 4 L.P. ports, 1 HP port for optimal hose orientation.
\n\u2022 Direct external IP calibration system for precise pressure adjustment.
\n\u2022 IP calibration value: 9.5-10bar for consistent performance.
\n\u2022 New optimized 1st stage design for maximum flow.
\n\u2022 Conical filter for improved filtration in both versions.
\n\u2022 Single maintenance kit for both INT and DIN versions.
\n\u2022 Increased water passage slots for better pressure balance.
\n\u2022 Enlarged tool housing holes for easier servicing.
\n\u2022 CE EN250 certification pending for warm water use.
\n\u2022 Glossy finish with \u201cGun Metal\u201d DIN wheel.
\n\u2022 Interchangeable parts with AC25 and AC2 models.
\n\u2022 Weight, INT version: 670g
\n\u2022 Weight, DIN version: 495g<\/p>","protected":false},"featured_media":8582,"template":"","meta":{"_acf_changed":false},"product_brand":[183],"product_cat":[206],"product_tag":[],"berocket_brand":[154],"class_list":{"0":"post-9185","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-cressi","7":"product_cat-first-stage-regulators","8":"product_shipping_class-20kg","9":"pa_style-din","10":"pa_style-int","11":"berocket_brand-cressi","13":"first","14":"onbackorder","15":"taxable","16":"shipping-taxable","17":"purchasable","18":"product-type-variable"},"acf":[],"yoast_head":"\nAC5 1st stage - Just Dive Croatia<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/justdive-croatia.com\/hr\/proizvod\/ac5-1st-stage\/\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"AC5 1st stage - Just Dive Croatia\" \/>\n<meta property=\"og:description\" content=\"\u2022 New piston 1st stage with INT or DIN 300bar connection. \u2022 4 L.P. ports, 1 HP port for optimal hose orientation. \u2022 Direct external IP calibration system for precise pressure adjustment. \u2022 IP calibration value: 9.5-10bar for consistent performance. \u2022 New optimized 1st stage design for maximum flow. \u2022 Conical filter for improved filtration in both versions. \u2022 Single maintenance kit for both INT and DIN versions. \u2022 Increased water passage slots for better pressure balance. \u2022 Enlarged tool housing holes for easier servicing. \u2022 CE EN250 certification pending for warm water use. \u2022 Glossy finish with \u201cGun Metal\u201d DIN wheel. \u2022 Interchangeable parts with AC25 and AC2 models. \u2022 Weight, INT version: 670g \u2022 Weight, DIN version: 495g\" \/>\n<meta property=\"og:url\" content=\"https:\/\/justdive-croatia.com\/hr\/proizvod\/ac5-1st-stage\/\" \/>\n<meta property=\"og:site_name\" content=\"Just Dive Croatia\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/justdivecroatia\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-04T22:15:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/justdive-croatia.com\/wp-content\/uploads\/2025\/12\/Regulator_AC5_DIN_HZ992100__WEB_.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/justdive-croatia.com\\\/product\\\/ac5-1st-stage\\\/\",\"url\":\"https:\\\/\\\/justdive-croatia.com\\\/product\\\/ac5-1st-stage\\\/\",\"name\":\"AC5 1st stage - 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