FIELD: valving.
SUBSTANCE: method comprises using energy of fluid flow for shutting off the flow. The device comprises the mechanism for shutting off the fluid flow actuated by heat of fire zone.
EFFECT: enhanced reliability of method and device.
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD AND DEVICE FOR PREVENTING EMERGENCY SITUATION IN DAMAGING MAIN PIPELINE | 2006 |
|
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|
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| THERMAL SEAL | 2002 |
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|
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|
RU2067714C1 |
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|
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| CUTOFF VALVE | 2005 |
|
RU2289748C1 |
| UNIVERSAL COMBINATION GATE | 2001 |
|
RU2219413C2 |
