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Keystone-P-P000478

Válvulas borboleta Keystone Série V11

Product Description

Estas instruções devem ser totalmente lidas e compreendidas antes de iniciar a manutenção.

Características

  • The concentric disc offers bi-directional service and allows high Cv values with its symmetric shape
  • Primary seal is formed by the disc hub and stem top, the seat contact exceeds the pressure rating of the valve
  • Secondary stem seal is suitable for high pressure and is self-adjusting
  • Disc hub edge are rounded and hand polished to provide full concentric sealing without seat obstruction to flow, combined with maximum seat life
  • Replacement seat isolates the stem and body parts from the stream and also serves as the flange gasket
  • Moulded-in O-ring provides positive flange sealing and eliminates the need for gasket
  • Double flanged body design specified according to JIS F7480
  • Heavy duty top bushing absorbs side thrust and torque loads
  • Stainless steel disc screws allow quick and easy disassembly
  • Factory testing of every valve at full rating ensures 100% tight shut-off
  • Type approved by various major shipping class
Certificações
ABS
Aplicação
Controle de lastro
Design do corpo
Padrão curto
Material
Aço carbono, ferro fundido
Temperatura operacional
Até 120 °C (250 °F)
Classe de pressão
PN
Tipo de sede/selo
Resiliente
Classe de corte
Vazamento zero
Tamanho da válvula
NPS 10 / DN 250, NPS 8 / DN 200, NPS 6 / DN 150, NPS 24 / DN 600, NPS 18 / DN 450, NPS 16 / DN 400, NPS 14 / DN 350, NPS 12 / DN 300, NPS 20 / DN 500, NPS 4 / DN 100, NPS 2-1/2 / DN 65
Padrão do tamanho da válvula
DN
Tipo de válvula
Borboleta
Meio
Óleo combustível líquido, líquidos
Haste
O-ring

Documentação e desenhos