Val-Matic Vacuum Relief Air Valves

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Specifications • Materials of Construction • Dimension Drawings • Instruction Materials • Technical Data
NSF/ANSI 61 *100VB Series View Brochure	NSF/ANSI 61 certified Manufactured under a certified ISO 9001 quality system Available in sizes 1/2" - 42" Available in sizes 3" - 42" with Optional Air Release Valve Cushions surges related to column separation Opens in response to a 0.25 psi vacuum - Consult Factory for other pressure requirements Full flow areas provide maximum vacuum protection for piplelines and tanks Resilient seals provide drop tight seating Connections for optional air release valve - to vent entrained air Available with optional inflow preventer Available with optional screened hood
Specifications • Materials of Construction • Dimension Drawings • Instruction Materials • Technical Data

Specifications
Valve Size	Product Description	Drawing Number
1/2" - 3"	100VB Vacuum Breaker	VM-100VB-S
2" - 42"	1800VB Vacuum Breaker	VM-1800VB-S

Standard Materials of Construction (contact factory for optional materials)
Valve Size	Product Description	Drawing Number
1/2" - 3"	100VB Vacuum Breaker	VM-100VB-M
2"- 10"	1800VB Vacuum Breaker	VM-1800VB-M
12" - 42"	1800VB Vacuum Breaker	VM-1812VB-M
2" - 42"	1800VBS Wastewater Vacuum Breaker	VM-1800VBS-M

Dimension Drawings
Valve Size	Product Description	Drawing Number
1/2" - 3"	100VB Vacuum Breaker	VM-100VB
2" - 42"	1800VB Vacuum Breaker - ANSI Class 125	VM-1800VB
2" - 30"	1800VB Vacuum Breaker - ANSI Class 250	VM-1850VB
2" - 42"	1800VBS Wastewater Vacuum Breaker	VM-1800VBS
3" - 16"	1800VB Vacuum Breaker with Air Release Valve	VM-1800VB/38

Instruction Manuals
Valve Size	Product Description	Drawing Number
2" - 42"	Vacuum Breaker	VB-OM1

Technical Data
Description	Drawing Number
Theory, Application and Sizing of Air Valves	White Paper
Air Valve Application Chart	Chart
NSF/ANSI Certification	SS-2235
Flow Capacity Graph	SS-1971
Flange & Gasket Installation Requirements	SS-1381