Product parameter
 (1) Nominal diameter: DN25-300mm;
 (2) Nominal Pressure: M level (medium-pressure valve): PN20, PN50, DN25-300;
                        H level (high-pressure valve): PN100, DN25-150;
 (3) connection:  clip-on
 Pipe flange: PN20 comply with GB9113.6-88 flange standards;
             PN50 comply with GB9113.7-88 flange standards;
             PN100 consistent with GB9113.8-88 flange standards;
 Flange distance: flange comply with IEC534-3-2-1984;
(4) Part material:
 Body: ZG25; ZG1Cr18Ni9Ti; ZG0Cr18Ni9; ZG0Cr17Ni12M2Ti
 Seat: FN-type ... ... Teflon added molybdenum disulfide (the material of O-ring is NBR)
       FV-type ... ... Teflon Added molybdenum disulfide (the material of O-ring is rubber )
        L-type ... ... .0 Cr17Ni12Mo2; 1Cr18Ni9Ti; stainless steel sheet;
        H-type... ... 0Cr17Ni12Mo2; 1Cr18Ni9Ti; stainless steel;
        HS-type ... ...0Cr17Ni12Mo2; 1Cr18Ni9Ti; stainless steel welding partly with tungsten chrome cobalt alloy;
        HB-type ... ... 0Cr17Ni12Mo2; 1Cr18Ni9Ti; stainless steel full welding with tungsten chrome cobalt alloy;
Application:
It is suitable for high temperature medium and can be widely used fluid control of liquid, gas, slurry in power plants, petroleum, metallurgy, light industry, food