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IO check valves are compliant with the regulation of NF Antipollution brand.
According to the NF EN 1717, these EB type check valves, are incorporated in a device, and guarantee the protection of drinking water against a risk of pollution from a fluid of category 2.
• Minimum head loss
• Noiseless operation due to a split obturator
• Does not generate hammering
• Mounted O’ring ease the incorporation
• Axial guidance oburator with return spring
• Excellent water tightness at high or low back pressure ensured by an especially designed lip-seal
• Meets the requirements of all europeans aprovals

Sanitary taps (kitchen, bathroom etc..)
• Thermostatic mixing valve
• Water meter
• Heating system multi-areas
• Booster pump
• Chemical fluid injection in exhaust duct
• EA, BA, CA protection devices

Approvals: ACS, NF, KIWA, Belgaqua, WRAS, DVGW, SVGW, SSIGE, NSF, VA, Australian Water Quality
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Technical Features

Working pressure: 10 bar
Working condition: -10°C to 65°C. Maxi 85°C 1h/day
Body: POM
Obturator: POM
Seal: EPDM
O-ring: EPDM
Spring: Stainless steel

Type DN
PFA (bar)
Cat.
Part number
Weight (kg)
IO015 15 1/2"
10
4.3 2224146 0,002
IO020 20 3/4"
10
4.3
2224145 0,002
IO025 25 1"
10 4.3 2224148 0,002
IO032 32 1"1/4
10 4.3 2224147 0,002
IO040 40 1"1/2
10 4.3 2224143 0,002
IO050 50 2"
10 4.3 2224144 0,002