| 摘要 |
FIELD: pipe line fittings; pipe lines for liquid media at nuclear power stations. ^ SUBSTANCE: proposed check valve has body with inlet and outlet branch pipes and seat, lock and detachable spindle engageable with this lock. Valve is provided with damper. It is made in form of drum with ports shielded by filtering insert. Damper is provided with fastener for securing in inlet branch pipe of valve. ^ EFFECT: enhanced safety. ^ 3 cl, 3 dwg |
