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Main product image of 1/2" FNPT Serviceable Flow Check Valve (Low Lead)
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1/2" FNPT Serviceable Flow Check Valve (Low Lead)

Brand:
Caleffi
SKU:
NA51243
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1/2" FNPT Serviceable Flow Check Valve (Low Lead)
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NA51243 has been discontinued
Discontinued February 3, 2025
This product was discontinued by the manufacturer.

Product Highlights

Product Highlight: Size
1/2"
Product Highlight: Connection Type
FNPT x FNPT Connection
Product Highlight: Flow Capacity (Cv)
17 Cv
Product Highlight: Material
Brass

Description

Note: Image displayed does not represent actual product.

1/2" FNPT Serviceable Flow Check Valve (Low Lead)

Product Description
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

Product Features
  • Max percentage of glycol: 50%
  • Max working pressure:150 psi
  • Temp range: 32° - 150°F (190°F for max 1 hour)
  • Opening pressure differential: 0.25 psi (1/2" through 1-1/4”); 0.50 psi (1-1/2”, 2")

Specs

Size:

1/2"

Connection Type:

FNPT x FNPT

Connection Method:

Threaded

Flow Capacity (Cv):

17

Material:

Brass

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