... form MODELSteel pipe diameter d (mm)PN=1.6~10MPaCTJY-2534300CTJY-4048300CTJY-5057/60300CTJY-6576350CTJY-8089400CTJY-100114/ ... The description in details TheMainTechnicalParameterNominal Pressure(Mpa)1.6~10Nominal Diameter(mm)DN25~DN500Operating Temperature(°C)-20 ... products are safe and reliableApplicationWidely used for gas distribution system, regulating station, gas and petroleum pipe network, ...