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| Item |
Rubber Lining Butterfly Valve |
Soft Single Seat
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| 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�Ž�`80�Ž |
-45�Ž�`180�Ž |
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| Item |
Ball Valve |
Soft Double Seat
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| 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 |
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| Item |
High performance Butterfly Valve Metal Seat |
Metal Seat
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| Sealing |
Allowable leakage |
ISO5208 Leak rate C |
ANSI class ‡X (smaller than 12") ANSI class ‡W‚w10-1 (over 14")
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| Max. Pressure |
4.9MPa |
10.2MPa |
| Max. Temperature |
600�Ž |
650�Ž |
| Sealing Life |
Leakage increases due to partial abrasion |
20,000 cycles No change in leakage |
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| Item |
High performance Butterfly Valve |
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| 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�Ž |
180�Ž |
200�Ž |
| Min. Temperature |
-20�Ž |
-45�Ž |
-45�Ž |
| 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 |
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| Item |
Gate/Parallel Slide Valve |
Soft Double Seat
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| 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 |
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