ARMSTRONG FLY

Description

Armstrong Delta2 – Fly Series is a single seat globe control valve with a robust construction designed for a wide range of process applications and easy maintenance.

• Size from DN15 to DN200 and from 1/2″ to 8″
• DIN pressure rating from PN10 to PN100
• ANSI pressure rating from 150 Lbs to 600 Lbs.

Tecnical description

Materials:

• Full range of materials and special alloys are available for valve body and trim including hardening treatment. Special NACE design and material construction for sour service with a compliance declaration in accordance to NACE regulations.

Guiding:

• Valve guiding is top for standard parabolic plug. DN15 (1/2″) to DN50 (2″) is stem guided, DN65 (2-1/2″) and bigger is shaft guided.

Trim:

• Standard construction includes parabolic plug and threaded replaceable seat.

Packing:

• Standard packing offers an internal self-adjusting spring system that provides low emissions according to the latest environmental regulations (TA-Luft and ISO-15848). In case of emission free request a bellow seal bonnet with different pressure ratings and materials are available.

Severe service:

• Single and double stage low-noise cage trim is available for most valve/trim sizes and designs. Single and double stage cavitation control trim is also available.