Speed-reduction element for flowing fluids - consists of double-layered sieve material, having differently sized apertures
DE2819723A1
Packing gland for sealing gap facing moving machine part - comprises bearing and piston-type top, and main and emergency seals, the latter being plastics agglomerate or unsintered PTFE
DE2810118A1
Stop and throttle valve - has plug bearing against end of resistance body containing through passages forming throttle channels
DE2808999A1
Multiple stage regulation valve for fluids - has given mathematical relationships at choke point cross sections
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Expansion valve for liquid or gas - has alternately arranged cover and expansion discs with connected flow channels
DE2658859A1
Valve body lining by melting-out process - with wax lining for sand mould that is melted out for lining to be cast in
DE2645659A1
Combination elastomer valve seal - has sealing ring with elastic pressure ring underneath held in valve plug groove
DE2556542A1
Pneumatically operated weatherproof control valve - has downwards facing valve recess with plate located by spring action against peg
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PRESSURE CONTROLLED REINFORCEMENT SYSTEM
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Butterfly valve with axially spring loaded plate - has crank lever to produce axial and rotational valve plate movements
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Throttle valve with divided flow cross-section - has adjustable resistance to fluid flow to reduce noise
DE2446780A1
Method of damping valve noise - uses layers of balls in cylindrical cages surrounding valve seat
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Valve with tilting throttling member - tilting member has different size parallel channels or holes
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Pneumatic actuator with diaphragm - has border of diaphragm sealed against housing by return spring pressure only
CA989700A
Fluid control system
US3890992A
Method and apparatus for safeguarding pipe-lines against an inadmissibly high internal compressive load by a control valve with a pneumatic drive
ES418922A1
Procedure and device to secure pipelines against inadmisible high loads of internal pressure. (Machine-translation by Google Translate, not legally binding)
CH554563A
PROCEDURE AND DEVICE FOR SECURING PIPELINES AGAINST IMPROPERLY HIGH INTERNAL PRESSURE LOAD.
DE2311226A1
SEALED THROTTLE VALVE WITH AXIALLY MOVING PRESSURE DISC