neoperl - flow, stop and go
US - Standards
US Standards A 112.18.1M/NSF 61
US - Standards

US Standards A 112.18.1M/NSF 61

Construction, performance and endurance: Criteria applicable to faucet aerators and attachments include

  • Toxicity evaluation: compliance with ANSI/NSF 61
  • Requirements for plating adhesion and corrosion resistance (ASTM B456)
  • Maximum working temperature and pressure conditions: 160°F (ˆ= 70°C) and 125 psi (ˆ= 8.6 bar)
  • Maximum flow rate requirements:
Flow rate class
USA (A 112.18.1 M)
Maximum flow rate in gpm Dynamic pressure
measured at
Lavatory/Sink faucet

max. 2.2 gpm
(8.3 l/min)

60 psi (4.14 bar)
Shower head max. 2.5 gpm
(9.5 l/min)
80 psi (5.52 bar)
Public lavatory faucet max. 0.5 gpm
(1.9 l/min)
60 psi (4.14 bar)
Metering faucet 0.25 gpc
(0.95 l/cycle)
60 psi (4.14 bar)

Specific NEOPERL products are listed according to ASME A112.18.1M/CSA B125.1. NEOPERL’s product listings with A112.18.1M/CSA B125.1 are available at

Compatibility with drinking water ANSI/NSF61
ANSI/NSF61 (Drinking Water System Components – Health Effects) was developed to establish minimum requirements for the control of potential adverse human health effects from products in contact with drinking water. The tests include level of lead and other regulated metals, organic contaminants and solvents. NEOPERL® products are listed with NSF. Neoperl’s product listing to ANSI/NSF 61 is available at


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