MKK50PF MK KELEN PPR Isolating Valve With Handle, KE-KELIT


MK-KELEN PPR pipe system

The MK-KELEN pipe system, with its numerous advantages, is ideal for hot and cold water installations. The excellent quality of the piping system, based on a polypropylene copolymer (PP-R), guarantees corrosion resistance against all ions in the water as well as building materials – inside and outside. High impact resistance even at temperatures below freezing, the secure connection technology without added materials ensures that after connection, the pipe and fitting form a permanently sealed unit made of one single continuous material.

Standard: EN ISO15874-2:2013

Catalogue: KELEN-PPR-Handbook , KELEN-PP-R-News












20 38 23 93
25 38 23 93
32 46 24 104
40 57 32 118
50 66 40 140
63 82 52 166

Features and Benefits

  • Internally and externally corrosion resistant to all ions in water and in building materials
  • No crystallisation points for lime scale
  • Secure jointing technique without additional materials
  • Harmless in contact with food, hygienically irreproachable
  • Low pressure losses due to smooth surfaces
  • Low noise
  • Temperature and pressure resistant
  • Low thermal conductivity
  • Easy to install impact-resistant at subzero temperatures
  • Low laying costs
  • Standardised, audited and monito – red quality
  • Assured long service life
  • Factory insulated concealed piping parts



Density 0.91 g/cm3
Melting point ~ 140 °C
Tensile Strength 40 N/mm2
Elongation at break 800%
E modulus (20°C) 900 N/mm2
Spec. heat 2 kJ/kg K
Thermal conductivity 0.24 W/mK
Spec. thermal expansion 0.14 mm/mK
Weight N/A
PP-R Sizes:

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