GW Semiscrews

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 inner thread diameter fi 25x1 "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. 

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 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.