Model BV89 Two-Stage Valve

Brand: Brodie International

The Model BV89 Brodie Two-Stage Valve is normally closed and designed for precise, accurate control and shut-off of petroleum products. 

The valve controls a predetermined amount of product to guarantee smooth, positive shut-off. 

Operational functions may include low flow start-up when used with a time delay circuit or other system controls. 

The Model BV89 - Two-Stage shut-off plus pressure control achieved by sensing and controlling valve outlet pressure.
Features
  • Precision flow rate and batch control
  • Modular construction - all internal parts including seat ring can be removed with the cylinder assembly without disturbing line connections
  • No diaphragms or stuffing boxes
  • 45° body design assures high capacity
  • Positive shut-off
  • Linear control characteristics with uniform response speed
  • Automatic check valve - no reverse flow
  • Fail-safe closes on loss of electrical power 
  • Characterized ports for better low flow response

Specifications

Enclosure, Body Material

  • Carbon Steel (ASTM -A216-GR-WCB)
  • Pilot Valve Body: Steel (Standard)

Flow Rate

  • 2”: 90 Cv/gpm
  • 3”: 190 Cv/gpm
  • 4”: 315 Cv/gpm
  • 6”: 700 Cv/gpm

Materials of Construction

  • Main Valve Cylinder: 630 (17-4) Stainless Steel
  • Main Valve Piston: Stainless Steel

Seat / Seal Material

  • Seal (O-Ring): Viton Standard
  • Seat Ring: Stainless Steel

Maximum Working Pressure @ 100 °F

  • 150 lb ANSI: 285 psi
  • 300 lb ANSI: 740 psi

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