Goole Valve Technology Co.,Ltd
Address: He_yi Industrial Zone,Oubei Town,Wenzhou City,Zhejiang Province,P.R.China
Tel: 86-577-57781015
E_mail: goole4@goolevalve.com
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bellows seal single-base regulating valve
DTSW bellows seal single-base regulating valve
summarize:
DTSW bellows seal single-base regulating valve has guiding frame on its upper valve cap and its body is of compact conformation,the flpw channel is S type streamlined with small loss caused by pressure drop,maa flow and wide applicable range,its upper valve cps is of bellpws seal atructure which completely eliminates the possibility of process media leaking outward from motion clearance of the bellows seal vale.for the bellows element itself will deform and obviously resist ageing ,such regulating valve may totally overcome the weakness such as stuffing ageing and temperature sensitivity commonly owned by stuffing seal valve.
DTSW bellows seal single-base regulating valve has guiding frame on its upper valve cap and its body is of compact conformation,the flpw channel is S type streamlined with small loss caused by pressure drop,maa flow and wide applicable range,its upper valve cps is of bellpws seal atructure which completely eliminates the possibility of process media leaking outward from motion clearance of the bellows seal vale.for the bellows element itself will deform and obviously resist ageing ,such regulating valve may totally overcome the weakness such as stuffing ageing and temperature sensitivity commonly owned by stuffing seal valve.
performance:
valve size:40~200mm
Pressure rating:JIS 10K,20K,30K,40K ANSI150,300,600 PN1.6,4.0,6.4MPa
End connection:Flanged end:FF,RJ
Seat leakage: metal seat:ANSI Class IV,soft seat:ANSI Class VI
Hysteresis error: 3%(with positioner),5%(without positioner)
Linearity: ±3%(with positioner), ±11%(without positioner)
Note:theV-Teflon packing is used
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