World Wide Metric, Inc. - Series ECV Flangeless Wafer Check Valve

Body type: Flangeless wafer
Valve function: Back flow prevention
Installation: Clamping between flanges
Flange connections: PN 10 / 16 / ANSI Class 150 (other connections on request)
Valve shut off pressure: Between 0,2 and 16 bar
Pressure differential to open: 0,02 bar minimum
Leakage rate: ISO 5208, Rate A (uni-directional tight shut off)
Face to Face dimension: ISO 5752 / EN 558, basic series 16 (wafer long)
Available type approvals: LRS, GL

Material Options:
Body: GGG40 Ductile Iron, Aluminum Bronze
Disc: Aluminum Bronze
Shaft: Stainless Steel 1.4401
Liners: NBR, EPDM

Unit of Measure

Items	ECV-50 Series ECV Flangeless Wafer Check Valve	ECV-65 Series ECV Flangeless Wafer Check Valve	ECV-80 Series ECV Flangeless Wafer Check Valve	ECV-100 Series ECV Flangeless Wafer Check Valve	ECV-125 Series ECV Flangeless Wafer Check Valve
Size	N/A DN50 - 2"	N/A DN65 - 2-1/2"	N/A DN80 - 3"	N/A DN100 - 4"	N/A DN125 - 5"
A	N/A 67 mm	N/A 84 mm	N/A 100 mm	N/A 115 mm	N/A 135 mm
B - Diameter	N/A 100 mm	N/A 118 mm	N/A 140 mm	N/A 158 mm	N/A 188 mm
C	N/A 43 mm	N/A 46 mm	N/A 64 mm	N/A 64 mm	N/A 70 mm
D	N/A 8 mm	N/A 14 mm	N/A 16 mm	N/A 25 mm	N/A 34 mm
E	N/A 41 mm	N/A 59 mm	N/A 69 mm	N/A 90 mm	N/A 110 mm
Weight	N/A 1.3 kg	N/A 1.8 kg	N/A 3.5 kg	N/A 4.5 kg	N/A 6.5 kg
Flange Connections	N/A ANSI Class 150 PN 10 PN 16
Valve Shut off Pressure	N/A 0.2-16 bar
Available Type Approvals	N/A GL LRS
Actuation Possibilities	N/A Manual
Body Material	N/A Aluminum Bronze GGG40 Ductile Iron
Disc Material	N/A Aluminum Bronze
Stem Material	N/A Stainless Steel 1.4401
Liner Material	N/A Ethylene Propylene Diene Monomer (EPDM) Nitrile Butadiene Rubber (NBR)