Air/Vacuum Valves, Wastewater, AWWA C512, Val-Matic® Valve & Mfg. Corp.

Air/Vacuum Valves, Wastewater, AWWA C512, Val-Matic® Valve & Mfg. Corp.

Val-Matic Valve

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Air/Vacuum Valves, often referred to as "large orifice valves", are used to allow large volumes of air to be exhausted from - or - admitted into a water pipeline as it is being filled or drained. When draining the pipeline, the float drops, allowing air to enter, preventing loss of pressure, possible pipeline collapse and damaging water column separation.
Specifications • Materials of Construction • Dimension Drawings • Instruction Manuals • Technical Data
Looking for Clean Water Air/Vacuum Valves? Click here.
View Brochure	Tested to AWWA C512 requirements Manufactured under a certified ISO 9001 quality system Available in sizes 1" - 8" Exhausts large quantities of air at system start-up Provides pipeline vacuum protection Admits large quantities of air to prevent loss of pressure during power failures, line breaks and drainage Automated Sizing Program Extended body with sloped bottom Fusion Bonded Epoxy slick coat available - to prevent clogging Available in light weight all stainless steel construction to eliminate corrosion Dual float assembly - for positive seating Unconditionally guaranteed T316 stainless steel floats Stainless steel 316 internal trim Exclusive high/low pressure resilient seating Full pipe size inlets and outlets provide maximum protection
Specifications • Materials of Construction • Dimension Drawings • Instruction Materials • Technical Data

Specifications
Valve Size	Product Description	Drawing Number
1" - 8"	Wastewater Air/Vacuum Valve	VM-300-S

Standard Materials of Construction (contact factory for optional materials)
Valve Size	Product Description	Drawing Number
1" - 3"	301A Wastewater Air/Vacuum Valve - Threaded	VM-301A-M
1" - 3"	301A Wastewater Air/Vacuum Valve - Threaded SuperValve	VM-301ASV-M
1" - 3"	301AS Wastewater Air/Vacuum Valve - Threaded - All Stainless Steel	VM-301AS-M
4" - 8"	304 Wastewater Air/Vacuum Valve - Flanged	VM-304-M
4" - 8"	304AS Wastewater Air/Vacuum Valve - Flanged - All Stainless Steel	VM-304AS-M

Dimension Drawings
Valve Size	Product Description	Drawing Number
1" - 3"	301A Wastewater Air/Vacuum Valve with Screwed Outlet	VM-301A
2" - 3"	301AS Wastewater Air/Vacuum Valve with Screwed Outlet -All Stainless Steel	VM-301AS
2" - 3"	302A Wastewater Air/Vacuum Valve with Screwed Outlet	VM-302A
4" - 6"	304 Wastewater Air/Vacuum Valve with Screwed Outlet	VM-304
4" - 8"	304AS Wastewater Air/Vacuum Valve with Screwed Outlet -All Stainless Steel	VM-304AS
8"	308 Wastewater Air/Vacuum Valve with Flanged Outlet	VM-308
Severe Service Application Valves
1"	301A Wastewater Air/Vacuum Valve	VM-301ABW
2" - 3"	302A Wastewater Air/Vacuum Valve	VM-302ABW
4" - 8"	304 Wastewater Air/Vacuum Valve	VM-304BW

Instruction Manuals
Valve Size	Product Description	Drawing Number
1" - 8"	Wastewater Air/Vacuum Valve	WAVV-OM1

Technical Data
Description	Drawing Number
Theory, Application and Sizing of Air Valves	White Paper
Air Valve Application Chart	Chart
Venting Capacity for Air/Vacuum Valve Orifice Sizes	SS-1580
Why an Air/Vacuum Valve Stays Closed	SS-1515
Wastewater Air/Vacuum Valve Pipe Installation	CAD - PDF
Wastewater Valve Vault Installation	CAD - PDF