Plast-O-Matic VBM & VBS Diaphragm Vacuum Breakers

Plast-O-Matic VBM & VBS Diaphragm Vacuum Breakers

These valves protect enclosed tanks from collapse or structural damage during draining. They also eliminate the siphoning of dangerous fluids and prevent vacuuming, which can cause damage to sensitive instruments and filters.

PVC
EPDM or FKM
The VBS series features a corrosion-resistant PFA encapsulated spring that acts on a poppet seal
Dependable, repetitive, bubble-tight sealing
Only one moving part – the patented self-sealing diaphragm
Normally-closed design
Begin to break a vacuum at approximately 2" Hg (1.0 psi or 0.07 Bar negative pressure)
Threaded connections
Maximum pressure: 100 psi @ 75°F
Maximum temperature: 140°F

Item #	Description	Catalog Pg.	Price	Add to Cart
Item 88303	3" NPT VBS PVC Diaphragm Vacuum Breaker with EPDM Seals 1644.03/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	1644.03/Each Drop Ship
Item 88302	2" NPT VBS PVC Diaphragm Vacuum Breaker with EPDM Seals 873.92/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	873.92/Each Drop Ship
Item 88304	4" NPT VBS PVC Diaphragm Vacuum Breaker with EPDM Seals 2164.45/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	2164.45/Each Drop Ship
Item 88306	3/4" NPT VBM PVC Diaphragm Vacuum Breaker with FKM Diaphragm 251.4/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	251.4/Each Special Order
Item 88305	1/2" NPT VBM PVC Diaphragm Vacuum Breaker with FKM Diaphragm 212.32/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	212.32/Each In Stock
Item 88298	1/2" NPT VBM PVC Diaphrgm Vacuum Breaker with EPDM Diaphragm 200.59/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	200.59/Each Special Order
Item 88299	3/4" NPT VBM PVC Diaphragm Vacuum Breaker with EPDM Diaphragm 240.98/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	240.98/Each In Stock
Item 88301	1-1/2" NPT VBS PVC Diaphragm Vacuum Breaker with EPDM Seals 676.13/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	676.13/Each In Stock
Item 88300	1" NPT VBM PVC Diaphragm Vacuum Breaker with EPDM Diaphragm 280.05/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	280.05/Each In Stock
Item 88307	1" NPT VBM PVC Diaphragm Vacuum Breaker with FKM Diaphragm 287.86/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	287.86/Each Special Order
Item 88309	2" NPT VBS PVC Diaphragm Vacuum Breaker with FKM Seals 886.54/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	886.54/Each Drop Ship
Item 88308	1-1/2" NPT VBS PVC Diaphragm Vacuum Breaker with FKM Seals 688.76/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	688.76/Each Drop Ship
Item 88310	3" NPT VBS PVC Diaphragm Vacuum Breaker with FKM Seals 1683.31/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	1683.31/Each Drop Ship
Item 88311	4" NPT VBS PVC Diaphragm Vacuum Breaker with FKM Seals 2227.57/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-507	2227.57/Each Drop Ship

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