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                         Technical specifications 
                        Nominal pressure: 1.6MPa, 2.0MPa 
                        Nominal diameter: 15~50mm 
                        Working medium: water, sea water, non-corrosive liquid, saturated steam 
                        Working temperature: -20℃~150℃ 
                        Threaded: ISO 288, ISO 7, ANSI B1.20.1, BSP, BSPT, DIN2999/259 
                        Materials: bronze 
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