Val-Matic Dual Disc Check Valves

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Specifications • Materials of Construction • Dimension Drawings • Instruction Materials • Technical Data
View Brochure	UL Approved 2 1/2" to 12" FM Approved 2 1/2" to 16" ANSI Class 125 and ISO PN 10 and PN 16 connections for Wafer IPS connections for Grooved End Certified to AWWA C518 Manufactured under a certified ISO 9001 quality system Wafer Style available in sizes 2"-60" Grooved End Style available in sizes 2”- 12” Available for Air Service - Contact Factory Cycle tested 50,000 cycles to assure long, trouble free life Lift and Pivot Action - reduces seat wear, prolongs seat life Stabilization Spheres - prevent vibration and wear Disc Seal Overlap - provides positive seal, prevents seat distortions Disc Stabilization - prevents disc flutter Flow Sensitive Closure - spring assisted closure minimizes the potential for water hammer Pressure Sensitive Vulcanized Seats - provide tight closure at both low and high pressures Body Alignment Fins - provide precise alignment in ANSI 125 and ISO PN10 and PN16 installations 2 1/2" - 12" 2 1/2" - 16"
Specifications • Materials of Construction • Dimension Drawings • Instruction Manuals • Technical Data

Specifications
Valve Size	Product Description	Drawing Number
2" - 12"	8800 Dual Disc^® Check Valve - UL/FM Approved	VM-8802-S
14" - 60"	8800 Dual Disc^® Check Valve	VM-8814-S

Standard Materials of Construction (contact factory for optional materials)
Valve Size	Product Description	Drawing Number
2" - 12"	8800 Dual Disc^® Wafer Style & Grooved End - UL/FM Approved (Lead Free)	VM-8802W.1-M
14" - 30"	8800 Dual Disc^® Wafer Style	VM-8814-M
14" - 48"	8700 Dual Disc^® Wafer Style - ANSI Class 250	VM-8714-M
36" - 60"	8800 Dual Disc^® Wafer Style	VM-8836-M

Dimension Drawings
Valve Size	Product Description	Drawing Number
2" - 12"	8800 Dual Disc^® Grooved End - UL/FM Approved	VM-8802G
2" - 12"	8800 Dual Disc^® Wafer Style - UL/FM Approved	VM-8802W
4" - 12"	8800 Dual Disc^® Lug Style	VM-8804L
14" - 30"	8800 Dual Disc^®Wafer Style	VM-8814
14" - 30"	8800 Dual Disc^®Lug Style	VM-8814L
14" - 48"	8700 Dual Disc^®Wafer Style - ANSI Class 250	VM-8714
36" - 60"	8800 Dual Disc^® Wafer Style	VM-8836
36" - 60"	8800 Dual Disc^® Lug Style	VM-8836L
2" - 12"	8900 Dual Disc^® Wafer Style - Air Service	VM-8902W
14" - 24"	8900 Dual Disc^® Wafer Style - Air Service	VM-8914

Instruction Manuals
Valve Size	Product Description	Drawing Number
2" - 12"	Dual Disc^® Check Valve - UL/FM Approved	DDCV-OM3
14" - 60"	Dual Disc^® Check Valve	DDCV-OM2

Technical Data
Description	Drawing Number
Dynamic Characteristics	SS-1465
Check Valve Applications/Features	Chart
Headloss Chart	SS-336
Air Capacity for Series 8900	SS-2120
UL Certification	SS-2479
FM Certification	SS-2477
Dual Disc^® Check Valve	CAD - PDF