Page 9 - 卡麦隆-燃气全焊接球阀

Full Welded
www.camvalve.com Full Welded Trunnion Ball Valve Kamailong Valve
Trunnion Ball Valve
全焊接球阀
全焊接球阀

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Focus on Manufacturing Welded Ball Valve 3.密封的紧急救护及阀门的润滑 3.EMERGENCY SEALING SECURITY AND B.上下游均采用双活塞阀座 ： B. BOTH UPPER AND LOWER STREAM ADOPT PISTON VALVE SEAT

With the double block function, it may simultaneously cut off the medium
具有双阻塞功能，能同时截断来自上、下游的介质；阀门
LUBRICATION OF THE VALVE
阀座及阀杆密封件出现损伤而出现泄露时，可以通过注脂
coming from both the upper and lower stream; medium held back inside
阀腔滞留的介质不能实现自动泄放，需要在阀体上设置泄
the valve cavity is unable to be drained automatically; pressure release
If the valve seat and the stem seal become damaged and leakage
阀注入的密封脂达到瞬时密封的作用。阀门正常工作状态
valve shall be provided on the valve body to set up pressure in order to
occurs, instantaneous sealing could be available by filling sealing
压阀来定压泄放阀腔的异常升压。
release the exceptional pressure rise inside the valve cavity.
grease through injection valve. When the valve is under normal
下，可以通过注脂阀注入润滑脂对阀杆和球面进行润滑，
operation, the stem and the spherical surface may be lubricated by
上下游双活塞阀座
使阀门启闭更加灵活轻便。
and closed more easily.
阀杆注脂
阀座密封脂注入结构 filling lubricant through the injection valve and the valve will be opened Dual-piston Valve Seat At Both Upper And Lower Stream
Seat Sealing Grease Injection Structure Valve Stem Grease Injection
安全阀盖 A B B A B A A B
Relief Valve Cap
注脂阀
Injection Valve
上游侧阀座 阀腔 下游侧阀座 上游侧阀座 阀腔 下游侧阀座
止回单向阀
Check Valve Valve Seat At Upper Stream Valve Cavity Valve Seat At Lower Stream Valve Seat At Upper Stream Valve Cavity Valve Seat At Lower Stream
双截断：同时截断来自上、下游的介质 阀腔截留介质不能向上、下游侧泄放
Dual cut-off: simultaneously cut off the medium coming from Medium contained inside the valve cavity cannot be
both upper and lower stream discharged to upper or lower stream
C.上游采用单活塞阀座、下游采用双活塞阀座： C. SINGLE-PISTON VALVE SEAT IS ADOPTED AT UPPER STREAM
AND DUAL-PISTON VALVE SEAT IS ADOPTED AT LOWER
具有双阻塞功能，能同时截断来自上、下游的介质；具 STREAM:
With the double block/bleed function, it may simultaneously cut off the
有自动定向泄压功能：阀门阀腔滞留的介质由于温度的升 medium coming from the upper and lower stream; automatic self-
relieving function; in case of abnormal pressure rise caused by the
高，出现异常升压时，阀座可自动泄压（向上游侧排放）
4.阀座结构设计： 4. VALVE SEAT STRUCTURE DESIGN: medium retained inside the cavity when the temperature rises, the
valve seat is able to automatically relieve pressure (discharging towards
A. BOTH UPPER AND LOWER STREAM ADOPT SINGLE-PISTON the upper stream).
A.上下游均采用单活塞阀座 ：
VALVE SEAT:
具有双阻塞/双排放功能，能同时截断来自上 、下游的 With the double block/bleed function, it may simultaneously cut off the 上游单活塞、下游双活塞阀座
medium coming from the upper and lower stream; automatic self- Valve Seat With Single-piston At Upper Stream And Dual-piston At Lower Stream
介质；具有自动泄压功能：阀门阀腔滞留的介质由于温度 relieving function; in case of abnormal pressure rise caused by the
medium retained inside the cavity when the temperature rises, the
的升高，出现异常升压时，阀座可自动泄压（向压力低的一 valve seat is able to automatically relieve pressure (discharging
towards the low-pressure end).
端排放）。
A B B A A B A B
上下游单活塞阀座
Single-piston Valve Seat At Both Upper And Lower Stream

上游侧阀座 阀腔 下游侧阀座 上游侧阀座 阀腔 下游侧阀座
Valve Seat At Upper Stream Valve Cavity Valve Seat At Lower Stream Valve Seat At Upper Stream Valve Cavity Valve Seat At Lower Stream
A B B A
A B B A
双截断：同时截断来自上、下游的介质 定向排放：阀腔截留的介质只能向上游侧泄放
Dual cut-off: simultaneously cut off the medium coming Directional discharge: medium contained inside
from both upper and lower stream the valve cavity is discharged to upper stream only

上游侧阀座 阀腔 下游侧阀座 上游侧阀座 阀腔 下游侧阀座 5.驱动装置安装平台的设置： 5. SETTING THE INSTALLATION PLATFORM OF
Valve Seat At Upper Stream Valve Cavity Valve Seat At Lower Stream Valve Seat At Upper Stream Valve Cavity Valve Seat At Lower Stream THE ACTUATING DEVICE:
符合ISO5211的阀门上法兰的设计，通过借助支架和联接
双截断：同时截断来自上、下游的介质 双排放：阀腔截留介质可以向上、下游侧泄放 In accordance with the flange design on IS05211 cobalt valve, the bracket
Dual cut-off: simultaneously cut off the medium coming from Double-drainage: medium held back inside the valve cavity may
both upper and lower stream be discharged to both upper and lower stream 套，便于安装任何型式的驱动装置。 and the adapter sleeve make it easy to install any type of actuating device.