{"id":3850,"date":"2025-10-17T09:24:34","date_gmt":"2025-10-17T01:24:34","guid":{"rendered":"https:\/\/ballvalves.tw\/?post_type=product&p=3850"},"modified":"2026-07-14T18:03:37","modified_gmt":"2026-07-14T10:03:37","slug":"valvola-pneumatica-a-vuoto","status":"publish","type":"product","link":"https:\/\/ballvalves.tw\/it\/product\/pneumatic-vacuum-valve\/","title":{"rendered":"Valvola a sfera pneumatica a vuoto \u2013 Acciaio inossidabile 316, flangia ISO-K DN80 \/ DN100, passaggio libero"},"content":{"rendered":"

Descrizione del prodotto<\/h2>\n

A pneumatically actuated vacuum ball valve in 316 stainless steel, with an ISO-K flange that clamps straight into a standard ISO-K line \u2014 no adapter. The air actuator opens and closes it in a fraction of the time a hand-operated valve takes, which is the point: on a vacuum line, the valve is usually the slowest thing in the sequence.<\/p>\n

Available in ISO80 (DN80, 3\u2033) and ISO100 (DN100, 4\u2033).<\/p>\n

Where This Valve Belongs \u2014 and Where It Does Not<\/h2>\n

A ball valve is not the right valve everywhere in a vacuum system, and we would rather tell you that up front than have it arrive and be wrong.<\/p>\n

\n\n\n\n\n\n\n\n\n
Position in the system<\/th>\nWhat it does there<\/th>\nIs a ball valve right for it?<\/th>\n<\/tr>\n<\/thead>\n
Fore-line \/ roughing line isolation<\/strong><\/td>\nBetween the pump and the chamber, on the roughing or backing line.<\/td>\nYes \u2014 this is what a vacuum ball valve is for.<\/strong><\/td>\n<\/tr>\n
Vacuum pump isolation<\/strong><\/td>\nShutting a pump out of the line so it can be serviced or swapped without venting the whole system.<\/td>\nYes.<\/strong><\/td>\n<\/tr>\n
Gauge isolation<\/strong><\/td>\nProtecting a vacuum gauge during rough-down or venting.<\/td>\nYes.<\/strong><\/td>\n<\/tr>\n
High-vacuum chamber main valve<\/td>\nThe main gate between a chamber and a turbo pump, holding high or ultra-high vacuum.<\/td>\nNo.<\/strong> That is the job of an angle valve or a gate valve, not a ball valve. We will tell you so rather than sell you the wrong thing.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u2190 Scorri la tabella per visualizzare tutte le colonne \u2192<\/p>\n

If you are isolating a pump, a fore-line, or a gauge, a ball valve is the straightforward, fast, full-bore answer. If you are gating a chamber at high vacuum, you want an angle valve or a gate valve \u2014 a different tool for a different job.<\/p>\n

Specifiche tecniche principali<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n
Articolo<\/th>\nSpecifiche tecniche<\/th>\n<\/tr>\n<\/thead>\n
Materiale della carrozzeria<\/td>\nAcciaio inossidabile ASTM 316<\/td>\n<\/tr>\n
Connessione<\/td>\nFlangia per vuoto ISO-K \u2014 ISO80 (DN80, 3\u2033) o ISO100 (DN100, 4\u2033)<\/td>\n<\/tr>\n
Temperatura di esercizio<\/td>\n\u221220 \u00b0C to +180 \u00b0C<\/td>\n<\/tr>\n
Attuatore<\/td>\nAluminium alloy cylinder, double acting (DA) or spring return (SR)<\/td>\n<\/tr>\n
Montaggio dell'attuatore<\/td>\nISO 5211 \u2014 the actuator bolts straight onto the valve, no bracket or coupling<\/td>\n<\/tr>\n
Spring return position<\/td>\nNormally closed or normally open \u2014 specify when ordering<\/td>\n<\/tr>\n
Servizio<\/td>\nAutomated isolation and sequencing on vacuum lines<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Why a Pneumatic Actuator Here<\/h2>\n