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Technical Data
TECHNICAL DATA
Item Material / Comments
Lid Polycarbonate
Valve Body (1.5”, 2”, 2.5”, DN40 and DN50/65) CPVC
Lid Screws 304 Stainless Steel
O-ring Silicone Lubricated Elastomer
Scale label, Product label, NSF label Polycarbonate
Pivot Pin (model FV-C and metric equivelants) Glass-filled plastic. Hastelloy C-276 after Feb. 2017
Spring 316 Stainless Steel. Hastelloy C-276 after Nov. 2015
3” / DN80 and 4” / DN100 Tee and reducing bushings PVC
Indicator Arm ABS
Flapper (1.5”, 2”, 2.5”, and DN40, DN50/65) PPEPS
Flapper Seal (1.5”, 2”, 2.5” and DN40, DN50/65) Viton
Flapper (FV-C-S and FV-C-Saline only) ABS
Lower Flapper (3” / DN80 and 4” / DN100 only) ABS
Interconnecting link (3” / DN80 and 4” / DN100 only) 316 Stainless Steel
Lower Retaining Pins (3” / DN80 and 4” / DN100 only) 316 Stainless Steel
Materials used:
Function Models Comments
Max working pressure All models 50 psi
Accuracy FV-C / FC-C-S / FV-C-Saline Average: 97.9% / 98% / 97.5%
Accuracy FV-3, FV-4, FV-L-DN80 and FV-L-DN100 Average: 98.6% in straight pipe
Min / Max operating ambient temp All models 32˚F (0˚C) / 140˚F (60˚C)
Periodic calibration All models None required
Design life All models Greater than 5 years
Operational Data:
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