Valve body

Type   straight single casting ball valve

 

Internal nominal diameter:20?25mm
   Nominal pressure: ANSI 125?150?300?600 
                            JIS10?16?20?30?40K
                            PN1.6?4.0?6.4MPa
   Coupling mode: flange coupling:FF?RF?RJ?LG?MFM
                Flange standard:JIS B2201-1984?JB/T79.1-94(PN1.6MPa)?JB/T79.2-94

                 (PN4.0?6.4MPa)ANSI B16.5-1981?HG20594-97?HG20618-97?

         welding connection :embed welding SW(40~50mm)

        Opposite welding BW(65~200mm)

material   casting steel (ZG230-450)?casting stainless steel (ZG1Cr18Ni9Ti?ZG1Cr18Ni12Mo2Ti?ZG316L)?titanium etc

   Up valve cover: normal temperature type-17~+230?

              elongation?(E?):-45~-17?,+230~+566?
                   elongation?(E?):-100~ -45?
                 elongation?(E?):-196~-100?
      Note :Working temperature must be below the available range of varies material   

Pressure cover type: bolt pressure

Filled material: V type PTFE?with immersed PTFE asbestos?asbestos knit?graphite

 Valve inside discreteness

 

Valve core mode: single sleeve pole fill valve core

Flow speciality :high capacity flow speciality

                  Metal valve seat: equal percentage speciality (%C)and line speciality(LC)

                Soft valve seat:equal percentage speciality(%T)and line speciality(LT)

             High accuracy flow speciality

                  Metal valve seat:equal percentage speciality(%CF)and line speciality(LCF)

               Soft valve seat:equal percentage speciality(%TF)and line speciality(LTF)                      

Material : stainless steel(1Cr18Ni9Ti?1Cr18Ni12Mo2Ti?17-4PH?9Cr18?316L)?stainless steel stainless welding alloy?

            Corrosion-resisting alloy etc.

 

perform organization:
 type :DKZ  series power perform organization: 361Lseries electricity power perform organization;RS series power perform organization;PSL series power perform organization
input  signal DKZ perform organization:?type 0~10mA·DC(input resistance200O);?type 4~20mA·DC(input resistance 250O)
    361L perform organization:4~20mA·DCor 1~5V(input resistance250O)
    RS perform organization:0~10mA·DC?4~20mA·DC
    PSL perform organization:4~20mA·DC
   power supply voltage DKZ perform organization:220V,50Hz
    361L perform organization:220V,50/60Hz
    RS perform organization:single-phase control 220V·AC±5%;three-phase control 380V±5%
    PSL perform organization:single-phase control 220V,50Hz
   hand wheel organization DKZ perform organization:hand wheel;361L perform organization:separation and reunion;RS perform organization:hand wheel;PSL perform organization:
   Environment temperature : -20~+60?
   Valve function type: Positive and negative perform organization to realize valve’s air –close or air-open.
Performance:

leak volume metal valve seat:below valve ration valve amount fixed capacity0.01%,matches ANSI  B16.104-1976?grade

      soft valve seat:below valve amount fixed capacity 0.00001%,matches ANSI  B16.104-1976?

 Backlash: matches DKZ perform organization1.5%;matches 361L perform organization2%;matches RS perform organizatio1%;matches PSL perform organization1%
basic error : matches DKZ perform organization±2.5%;matches 361L perform organization±2%;matches RS perform organization±1%;matches PSL perform organization±1%
         Note :adopts standard V type PTFE stuff
adjusting range : 50:1(0.25=Cv=14)?30:1(Cv=0.16)