PPR Pipe FITTING

PPR pipe specification pipe series S, nominal outer diameter dn × Nominal wall thickness en

Example: PPR pipe series S5, PPR nominal diameter dn25mm, PPR nominal wall thickness en2.5mm

Represented as S5, dn25 × en2.5mm

PPR pipe series S: a dimensionless numerical series used to represent ppr pipe specifications, with the following relationship S=(dn en)/2en

Where: dn - PPR nominal outer diameter, unit: mm

En - PPR nominal wall thickness, unit: mm

The PP-R pipe specifications commonly used include 5, 4, 3.2, 2.5 and 2 series

PPR pipe specifications PPR pipes are divided into five series according to standard size ratio SDR value: 11, 9, 7.4, 6 and 5.

PPR pipe specification PPR standard size ratio SDR: the ratio of nominal outer diameter dn and nominal wall thickness en of PPR pipe.

The relationship between PPR pipe specification SDR and PPR pipe series is as follows: SDR=2S+1

Representation method of PPR pipe fitting specification:

PPR pipe fitting nominal outer diameter dn

It refers to the nominal outer diameter of PPR pipe connected with PPR pipe fittings. The wall thickness of PPR pipe fittings shall not be less than that of PPR pipes of the same PPR pipe series S.

Most enterprises have only the highest standard S2 series of PPR pipe fittings, and all cold and hot water are on trial

PPR pipe specification S5 series --------------- 1.25 MPa (12.5 kg)

PPR pipe specification S4 series --------------- 1.6 MPa (16 kg)

PPR pipe specification S3.2 series ------------ 2.0 MPa (20 kg)

PPR pipe specification S2 series --------------- 2.5 MPa (25 kg)

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