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Type of the products: JIS type
Name of product: Stop valve
Characteristic of the products: Price E stop valve producer of stop valve, the stop valve offers this valve and adopts the V polytetrafluoroethylene (PTFE) of elasticity or the fine rubber of cube as moving sealed card Zu, cover by card Zu / offer initial to seal by stainless steel spring, card Zu sealing property rise and strengthen with medium pressure, already have a sealing property , has not needed to safeguard artificially . Different from Niu , E of , its look at Huo of gruel Gua Suo wake up valley count Lu protruding mow roll overis tried bestJian's mirror is lame " rare? /P >
Second, main design parameter :
Design , make EB/T12235-89 , JIS B2071 , B2081
The flange is joinedJB/T79-94 , GB9113-2000 , JIS B2212 , B2214
The length of structure: GB12221-89 , JIS B2002
Nominal and open directly: DN15~300mm
Nominal pressure: PN1.6 , 2.5 , 4.0MPa , 10K , 20K.
Third, main performance parameter :
Nominal pressure | Shell try on E | Seal and try E | Have and seal and try E | Suitable medium | Suitable for temperature | |
JIS-10K | 1.6 | 2.4 | 1.76 | 1.76 | Liquefied gas, | -40 40 +80Es |
2.5 | 3.75 | 2.75 | 2.75 | |||
JIS-20K | 4.0 | 6.0 | 4.4 | 4.4 | ||
Fourth, major part material :
Valve body , valve covering | Valve stem, valve E | Sealed E | Card Zu |
WCB | Stainless steel | Stainless steel and the Buddhist nun E | Polytetrafluoroethylene (PTFE), fine rubber of cube |
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JIS 10K PN1.6 , 2.5MPa | |||||||||||
Nominal open DN directly | Size of main connection ( mm) | Weight | |||||||||
(mm) | in | d | L | D | D1 | D2 | b | Z- d | H | Do | |
15 | 1/2 | 15 | 108 | ||||||||
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