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ABPR-200 pressure is unstable or fails to reach set point - WKB122381

Article number: 122381

SYMPTOMS

  • ABPR-20/200 is always regulating, not stabilizing on set pressure
  • ABPR-20/200 fails to reach set pressure

ENVIRONMENT

  • Prep 150 MGM SFC System
  • ABPR-20/200
  • Prep 100q
  • SFC 80/200/350 Prep System
  • SFC 15 Prep System

CAUSE

  • Valve alignment needed
  • Seat worn

FIX or WORKAROUND

  1. First try aligning the valve
  2. If this does not help, rebuild the ABPR.

PM kit for ABPR 200 is part 700007693  or 700007445 (Kit, ABPR Rbld, W/ 2 Degree Taper)

 for ABPR 20, part 700007446.

ADDITIONAL INFORMATION

Rebuilding the ABPR Valve (Video)

Automated Back-Pressure Regulator Overview and Maintenance Guide

id122381, ABPR-20, ABPR-200, MGPREPSFC, P-350, SFC100C3, SFC100MD, SFC150 MGM, SFC200, SFC200Q, SFC350, SFC350C3

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