Mark 801/802 Series

DESCRIPTION

Self-Operated, High Flow

The Mark 801/802 Series is completely self-operated and requires no external power source or other expensive instrumentation to operate the valve. The Mark 801/802 Series are high-flow versions of our Mark 80 Series temperature regulators. Available with up to 100 feet (30 meters) in capillaries.

Features & Benefits

• Sliding gate seats provide:
  – Straight-through flow for reduced turbulence and quiet operation
  – Short stroke for fast response and accurate temperature control
  – Easily interchangeable Cv’s
  – Tight shutoff due to overlap of seat closure area
• Available with capillaries up to 100 feet (30 meters) in length

Specifications

• Sizes: 1/2″ – 2″ (DN15 – DN50)
• Body Material: Ductile Iron, Bronze, Carbon Steel, Stainless Steel
• End Connection: Threaded, Flanged, Socket Weld, Butt-Weld
• Cv (Kv): up to 70 (up to 60)
• Seat Material: Jorcote
• Control Range: -20°F (-29°C) to 325°F (163°C)