CALEFFI NA51 Series Manual

Low-lead serviceable inline check valves
© Copyright 2023 Caleffi
Product range
Serviceable inline spring check valves:
NA5212 series with NPT female and male threaded, press, PEX crimp and expansion, and sweat
dual union connections, flowing Cv
NA5213 series with NPT female and male threaded, press, PEX crimp and expansion, and sweat
dual union connections, flowing Cv
NA5214 series with NPT female and male threaded, press, PEX crimp and expansion, and sweat
Technical specifications
Materials - body:
- check valve:
- fitting tailpieces:
Performance
Suitable fluids:
Max. Working pressure:
Operating temperature range:
Max. temperature, NA513, NA514 only:
Opening pressure differential:
Certifications
1. Complies with codes IPC, IRC, UPC and NPC.
2. NSF/ANSI/CAN 372, Drinking Water System
Components-Lead Content Reduction of Lead
in Drinking Water Act, California Health and Safety
Code 116875 S.3874, Reduction in Drinking Water
Act, Vermont Act 193 - The Lead in Plumbing
Supplies Law and Maryland's Lead Free Law HB.372,
certified by ICC-ES, file PMG-1360.
4. PEX crimp fittings designed to ASTM F 1807.
5. PEX expansion fittings designed to ASTM F 1960.
Function
A check valve ensures that water only flows in a single direction of a
plumbing or hydronic system. The NA51 series low-lead serviceable
inline spring check valves, ideal for residential and commercial
applications, feature union connections with a variety of end connection
options for easy installation and maintenance. The valve is constructed
of a stainless steel body and low-lead brass or copper tailpieces. It
complies with low lead laws and listed by ICC-ES, and meets codes
IPC, IRC, UPC and NPC for use in accordance with the US and
Canadian plumbing codes.
dual union connections, flowing Cv
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17............................................sizes ½" and ¾"
30...........................................sizes 1" and 1¼"
75........................................sizes 1½" and 2"
color black in NA512 (sizes ½" & ¾")
color white in NA513 & NA514 (sizes 1" - 2")
water and non-hazardous glycol solution up to 50%
NA512: 32 to 250°F (0 to 121°C)
NA513, NA514: 32 to 150°F (0 to 65°C)
0.25 psi (size ½" through 1¼")
1
NA1070.01
NA51 series
stainless steel
. NBR, POM
low-lead brass or copper
150 psi (10 bar)
for one hour: 190°F (88°C)
0.50 psi (size 1½" & 2")