Mark 708SH – Short Pattern 1/4”

The Mark 708SH was developed by LowFlow Valve to provide the most accurate control available for fractional flow services; whether for pilot plant installations, test stands, R & D facilities, or for specialized processes such as dosing, injection and venting applications. The Short Pattern 1/4″ offers Cv’s ranging from 0.00001 through 0.2 (0,000009 to 0,17 Kv in DN8). A small package ideal for crititial fractional flow applications where space is at a premium.
Minimum Data Requirements to Size Valve

  • The rolling diaphragm design ensures that the effective diaphragm area remains relatively constant, regardless of valve stem position. This increases accuracy of the actuator when positioning the valve by ensuring a linear response to input signal changes.
  • The spring-loaded packing maintains a proper compression, while minimizing excessive friction. This alleviates the need for most field adjusting. The TFE packing is suitable for temperatures to 450°F (232°C), while braided or Graphite/Grafoil may be used for higher temperature requirements
  • The bolting provides solid construction and secure connection. This bolting adds ease to maintenance, as bonnet/actuator assembly may be removed from the valve body in-line.

Data Sheet
708SH Series Data Sheet

Installation & Maintenance Sheet
Mark 708 Series I & M

Condensed Catalog
Product Guide
Product Guide – A4

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