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Válvula Redutora de Pressão DM 701

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Aplicação em altas pressões e baixas vazões
Descrição

Características Técnicas

Conexão Flangeada:  DN 15 - 50
Pressão Nominal: PN 315
Pressão de Entrada (P1):  até 160 bar g
Pressão de Saída (P2): 0.5 - 40 bar g
Kvs: 0.2 - 5.5 m3/h
Temperatura: 500 ºC
Fluídos: Vapor d'água

 

 

 

 

 

 

 

Descrição do produto

Self-acting pressure reducers are simple control valves offering accurate control while being easy to install and maintain. They control the pressure downstream of the valve without requiring pneumatic or electrical control elements.

The DM 701 pressure reducing valve is a piston controlled, spring loaded proportional control valve for small capacities with high pressure drops. The valve cone is fitted with a metallic seal. The outlet pressure to be controlled is balanced across the control unit by the force of the valve spring (set pressure). As the outlet pressure rises above the pressure set using the adjusting screw, the valve cone moves towards the seat and the volume of medium is reduced. As the outlet pressure drops, the valve control orifice increases; when the pipeline is depressurised, the valve is open. Rotating the adjusting screw clockwise increases the outlet pressure.

The valves requires a sense line (to be installed on-site).

These valves are no shut-off elements ensuring a tight closing of the valve. In accordance with DIN EN 60534-4 and/or ANSI FCI 70-2 they may feature a leakage rate in closed position in compliance with the leakage classes II (metal sealing double seat cone - 0.5% Kvs value).

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CONTATO

11 4223.1500

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