Watts EA FC Serie Manual Tecnico página 5

A Division of Watts Water Technologies Inc.
Control valve 1
Flow direction
Testing procedure EA FC
1. Close the stop valve directly downstream of
the EA FC. This stop valve should be 100 %
leak tight.
2. Close the stop valve directly upstream of the
EA FC. This stop valve should be 100 % leak
tight.
3. Release the pressure at the entrance side
of the check valve by opening the control
valve 1.
Technical specifications
Medium: potable water
Nominal diameter: DN65, 80, 100, 150, 200, 250
Nominal operating temp.: 30 °C
Peak temperature: 65 °C during 1 hour/day
Nominal working pressure: 1.6 MPa (16 bar)
FLANGED CHECK VALVE EA FC
Control valve 2, point for pressure gauge
Tap
4. Check the pressure on mounted pressure
gauge. It should remain stable during 30 sec.
If the pressure reduces, replace the check
valve cartridge.
5. Close the control valve 1.
6. Open the upstream stop valve.
7. Open the downstream stop valve.
Material specifications
Body and cover: ductile iron, epoxy coated
Plastic parts: PPO/PP
Rubber parts: EPDM
Approvals
Kiwa, DVGW, NF, WRAS, Belgaqua
DVGW DN200 and DN250 in progress
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