bơm ly tâm trục đứng, bơm ly tâm trục ngang, bơm chìm nước thải, bơm chìm lắp đặt khô, bơm bánh răng, bơm chìm giếng, bơm công nghiệp, bơm tưới tiêu thủy lợi, bơm dân dụng, bơm trục vít, đại lý seepex

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  • Resilient-seated gate valve with non-rising stem and metal sealing, compliant with EN 1171.
  • Valve body, bonnet, and wedge made of EN-GJS-400-15 (GGG40) ductile iron, providing high mechanical strength.
  • Valve stem made of 1.4057 stainless steel (17% Cr); sealing rings and stem nut made of zinc-free bronze, providing enhanced corrosion resistance.
  • Adjustable stem seal with Aramide/PTFE packing; face-to-face length according to EN 558 Series 15.
  • Epoxy coating in accordance with EN 14901-1+A1, with a minimum thickness of ≥250 µm, providing durable protection against environmental conditions and corrosion.