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PLAST-O-MATIC VB/VBM/VBS Vacuum Breakers

Series VB/VBM Patented diaphragm design assures dependable, repetitive, bubble-tight sealing to protect enclosed tanks from collapse or structural damage during draining. Also eliminates siphoning of dangerous fluids,and prevents vacuum damage to sensitive instruments and filters. 1/2″, 3/4″ and 1″ in a wide range of materials and connection types.
Series VBS PFA encapsulated spring and special poppet provide performance identical to VB/VBM with same protection for tanks and piping systems against hazards, damage and financial losses caused by unwanted vacuum conditions. 1-1/2″ to 4″ sizes in a wide range of materials and connection types.

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Made in USA. brand PLAST-O-MATIC, model VB/VBM/VBS

International delivery to Europe, Asia and Africa.
Our warehouses are located in the UK, UAE and Senegal.

price by request

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Descriptions of PLAST-O-MATIC VB/VBM/VBS

Features/Benefits with Proper Installation:

Designed to protect enclosed tanks from collapse or structural damage during draining.
Eliminates siphoning of dangerous fluids.
Prevents vacuum which can cause damage to sensitive instruments and filters.
Normally-closed design prevents fugitive emissions from leaving system.
Insurance against replacement of damaged expensive equipment avoids critical system downtime.
Patented diaphragm design assures dependable, repetitive, bubbletight sealing in VBM and VB; PFA encapsulated spring and special poppet provide identical performance in VBS design.
For corrosive or ultra-pure liquid applications.
Sizes: 1/2″, 3/4″, 1″, 11/2″, 2″ and 3″.

Design:
The Plast-O-Matic VBM Vacuum Breakers have only one moving part – the patented self-sealing diaphragm, and this provides both design simplicity and maximum operating dependability. This normally-closed design seals in the identical location every time producing a very dependable, long-life seal. Series VBS Vacuum Breakers feature a corrosion resistant PFA encapsulated spring which acts on a poppet seal that neither sticks nor chatters. Maximum working pressure is 100 PSI @ 75°F (6,9 bar @ 24°C). See pressure/temperature ratings on reverse side. Spring material (non-wetted) is 303-304 stainless steel.

Technical specifications of PLAST-O-MATIC VB/VBM/VBS

Series VBM Vacuum Breakers are molded of type 1, grade 1, PVC (Polyvinyl Chloride), Glass-filled Polypropylene, Kynar PVDF and Corzan CPVC in sizes 1/2″, 3/4″ and 1″.
A machined version, Series VB is available in PTFE in sizes 3/4″ and 1″.
Diaphragms are of EPDM or FKM (comparable to Viton barnd). VBS Vacuum Breakers are available in standard PVC (Polyvinyl Chloride), Natural Polypropylene, Kynar PVDF, and Corzan CPVC in sizes 11/2″, 2″, and 3″.
Standard dust caps on PVDF models are natural polypropylene; PVDF is optional. Seals are EPDM or FKM.
Threaded or socket connections are standard on all models.

Vacuum Breakers will open to allow air into a pipeline or vessel preventing siphoning, cavitation, or vacuum, when properly installed and used within the recommended ranges of pressure, temperature, and chemical compatibility. The ultimate determination of material compatibility is previous successful use in the same application.
Minimum service temperature is 40°F.

User Guide and Instruction manual for PLAST-O-MATIC VB/VBM/VBS

You can request the necessary certificates, documentation, instructions and user manuals for PLAST-O-MATIC VB/VBM/VBS using the special form.

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You can buy PLAST-O-MATIC VB/VBM/VBS in UK or Europe at a favourable price in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email dolce@dolcetrade.com. PLAST-O-MATIC VB/VBM/VBS price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.