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Brass Anti-Siphon Device (1" BSP / 1/2" BSP Vent)
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Maestrini Brass Anti-Siphon Loop (1" BSP / 1/2" BSP Vent)

Part No. 410015

€31.38 You pay €31.38 Incl VAT You pay €26.15 Excl VAT

RRP €34.87 €29.06

Save €3.49 (10.0%) Save €2.91 (10.0%)

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Overview
Brand Maestrini
Country of Origin Italy
Construction Brass
Connections Port Size: 1" BSP Female, Vent Pipe: 1/2" BSP Female
Width 140mm
Height 102mm (4")
Depth 45mm (1.8")
Pressure Rating 580 PSI (40 Bar)
Description

This Maestrini anti-siphon device is made from brass. The anti-siphon device allows fluid to flow in the intended direction but when the flow is reversed, the vacuum will operate the anti-siphon valve which will break the siphoning effect. This anti-siphon loop is used in conjunction with 410023 siphon break valve.

Typical applications for this anti-siphon loop are boat water intakes, exhaust injection lines and toilet systems where installed equipment is below the waterline.

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FAQ's

  • How can I identify the correct BSP / NPT size fittings that I require? +

    Please refer to this useful guide:

    BSP / NPT Identification

  • How many threads per inch do your fittings have? +

    Our fittings come with standard BSP or NPT threads and therefore have a set number of threads per inch depending on the size of the pipe fitting. Please see below for our helpful guide:

    Nominal Pipe Size

    Threads per Inch

    NPT

    BSP

    1/16"

    27

    -

    1/8"

    27

    28

    1/4"

    18

    19

    3/8"

    18

    19

    1/2"

    14

    14

    3/4"

    14

    14

    1"

    11-1/2

    11

    1-1/4"

    11-1/2

    11

    1-1/2"

    11-1/2

    11

    2"

    11-1/2

    11

    2-1/2"

    8

    11

    3"

    8

    11

    3-1/2"

    8

    11

    4"

    8

    11

    5"

    8

    11

    6"

    8

    11

    8"

    8

    11

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