Item Rubber Lining Butterfly Valve Soft Single Seat
Seat Deformation due to fluid pressure,temperature,torque Bi-directional shutoff sealing
Seat Life 3,000 cycle More than 100,000 cycles
Working temperature -10`80 -45`180
Item Ball Valve Soft Double Seat
Seat Bi-directional shutoff sealing Bi-directional shutoff sealing
Seat Life 10,000 cycles More than 100,000 cycles
Open/Close cycle Life 100,000 cycles More than 500,000 cycles
Item High performance Butterfly Valve
Metal Seat
Metal Seat
Sealing Allowable leakage ISO5208 Leak rate C ANSI class X
(smaller than 12")
ANSI class Ww10
-1
(over 14")
Max. Pressure 4.9MPa 10.2MPa
Max. Temperature 600 650
Sealing Life Leakage increases due to partial abrasion 20,000 cycles
No change in leakage
Item High performance Butterfly Valve
Soft Single Seat Soft Double Seat
Sealing Bi-directional Tight shutoff Leak zero Leak zero
Max. Pressure 1.96MPa 1.0MPa 10.2MPa
Max. Temperature 200 180 200
Min. Temperature -20 -45 -45
Sealing Life | More than 100,000 cycles More than 100,000 cycles
Open/Close cycle Life | More than 500,000 cycles More than 500,000 cycles
 
Item Gate/Parallel Slide Valve Soft Double Seat
Sealing Allowable Leak rate:API598 Bi-directional
Leak zero
Sealing Life | More than 100,000 cycles
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For further information, please contact us.
Telephone:+81-550-76-1948
e-mail:overseas-sales@nbs-valve.co.jp