PP-R welled semi-screws-10 YEARS WARRANTY

GW Semiscrews

Wide choice of semi-screw with internal thread with different dimensions and operating parameters for installation of central heating and transmission of hot and cold water. It consists of semi-screws in diameters ranging from fi 20mm to fi 25mm in grey or white.

Semi-screw with internal thread PP-R fi 20x3/4
Semi-screw with inner thread diameter fi 20x3/4 "mm, with Polish standard PN-EN ISO 15874-2:2005, made of polypropylene (PPR) in grey or white, is designed for the installation of central heating and transmission of hot and cold water inside Building. The semi-screw made of the highest quality plastics is durable and resistant to heat. 
Semi-screw with internal thread PP-R fi 25x3/4
Semi-screw with internal thread fi 25x3/4 "mm, with Polish standard PN-EN ISO 15874-2:2005, made of polypropylene (PPR) in grey or white, is designed for the installation of central heating and transmission of hot and cold water inside Building. The semi-screw made of the highest quality plastics is durable and resistant to heat. 
Semi-screw with internal thread PP-R fi 32x1
Semi-screw with inner thread diameter fi 32x1 "mm, with Polish standard PN-EN ISO 15874-2:2005, made of polypropylene (PPR) in grey or white, is designed for the installation of central heating and transmission of hot and cold water inside the building. The semi-screw made of the highest quality plastics is durable and resistant to heat.