H2flow FLOWVIS, Инструкция по эксплуатации

Страница: 7 / 8

FlowVis® - INSTRUCTION MANUAL
Page 7
11.0 SPECIFICATIONS
Materials used:
Item Material / Comments
Valve Cover Screws Stainless Steel
Valve Body CPVC Plastic, Chlorine, Acid resistant
Valve Lid Poly Carbonate (PC), Chlorine, Ozone resistant
Calibrated Spring Stainless Steel
Pivot Pin Stainless Steel
‘O’ Ring
Silicone-Lubricated Elastomer
Operation:
Function Model(s) Comments NSF 50 Certifi ed
Maximum Working
Pressure FV-C 50 psi

Design Pressure FV-C >400 psi 
Head Loss when
installed to 2” pipe FV-C 0.77 psi at 20 gpm;
2.23 at 110 gpm

Head Loss when
installed to 2.5” pipe FV-C 0.71 psi at 21.3
gpm; 2.37 psi at
112.6 gpm

Accuracy when installed
to 2.5” straight pipe* FV-C Range: 20-110
gpm, average
accuracy: 2.28%

Accuracy when installed
to 2.5” in between
elbows* FV-C Range: 20-110
gpm, average
accuracy: 1.42%

Minimum operating
ambient temperature All 32ºF (0ºC)
Maximum operating
ambient temperature All 140ºF (60ºC)
Periodic Calibration All None required
Design Life All Greater than 5
years
* Accuracy results are on average deviation from the actual fl ow as determined by a NIST calibrated
fl ow meter in the range of 20-110 gpm, and when installed in horizontal, vertical up and vertical down
orientations.