{"id":17133,"date":"2024-06-08T02:23:56","date_gmt":"2024-06-08T02:23:56","guid":{"rendered":"https:\/\/prosperoequipment.com\/shop\/?post_type=product&#038;p=17133"},"modified":"2025-06-18T14:37:15","modified_gmt":"2025-06-18T18:37:15","slug":"pneumatic-membrane-press-psp-21-2100-liter","status":"publish","type":"product","link":"https:\/\/prosperoequipment.com\/shop\/product\/pneumatic-membrane-press-psp-21-2100-liter\/","title":{"rendered":"Pneumatic Membrane Press L Series &#8211; PSP 21 (2,100 Liter)"},"content":{"rendered":"<p>TECHNICAL DATA: PSP 21<\/p>\n<ul>\n<li>Volume: 21 hL (555 gallons)<\/li>\n<li>Max. operating pressure: 1.5 BAR<\/li>\n<li>Power: AV, 230V, 60HZ, 3PH<\/li>\n<li>Net Weight: 1,000 Kg (2,204 lbs)<\/li>\n<li>Length: 3,250 mm (128 inches)<\/li>\n<li>Width: 1,600 mm (63 inches)<\/li>\n<li>Height: 1,910 mm (75 inches)<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p><strong>PSP 21 &#8211; Open Drum Pneumatic Press &#8211; 2,100 liter (555 gallons)<\/strong><\/p>\n<p>The Series L PSP 21 Pneumatic Pres is an open pressing system with a half perforated drum surface, constructed from AISI 304 Stainless steel. The other half of the drum is solid Stainless steel with a pneumatic inflated membrane inside. A built in compressor and vacuum pump are used for inflation and deflation of the membrane. Presses incorporate programmable pressing cycles designed for whole clusters of grapes, fresh lees, fermented lees and ice pressings. The perforated half drum is electropolished which enables easy cleaning, reduced water consumption and increased corrosion resistance.<\/p>\n<p>Also available in a PST model: Closed pressing system with interior electropolished drain channels.<br \/>\nAlso available in a PSH model: Hyper-reductive pressing.<\/p>\n","protected":false},"featured_media":17127,"template":"","meta":[],"product_brand":[],"product_cat":[15,75,110,23],"product_tag":[111,108],"class_list":{"0":"post-17133","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-catalog","7":"product_cat-winery-equipment","8":"product_cat-wine-presses","9":"product_cat-sale-equipment","10":"product_tag-wine-presses","11":"product_tag-winery-equipment","13":"first","14":"instock","15":"sale","16":"taxable","17":"shipping-taxable","18":"purchasable","19":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Pneumatic Membrane Press L Series - PSP 21 (2,100 Liter) - Prospero Equipment<\/title>\n<meta name=\"description\" content=\"PSP 21 - Open Drum Pneumatic Press - 2,100 liter (555 gallons). Open pressing system with a half perforated drum surface.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/prosperoequipment.com\/shop\/product\/pneumatic-membrane-press-psp-21-2100-liter\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pneumatic Membrane Press L Series - PSP 21 (2,100 Liter) - Prospero Equipment\" \/>\n<meta property=\"og:description\" content=\"PSP 21 - Open Drum Pneumatic Press - 2,100 liter (555 gallons). 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