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645905-402

Series: Smith Meter® 4" Steel Model F4 - Spare Parts Brand: Guidant

O-Ring, Packing Gland: PTFE - Item 32

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Specifications

Brand

Maximum Flow Rate

  • Continuous Rating with Standard Trim: 600 USGPM (2250 L/min)
  • Intermittent Rating with Standard Trim: 750 USGPM (2725 L/min)
  • Continuous/Intermittent Rating with all Iron or LPG Trim: 450 USGPM (1700 L/min)

Repeatability

  • ± 0.02 %

Viscosity

  • Standard: 400 mPa.s (2,000 Seconds Saybolt Universal (SSU)) maximum
  • Optional: 2 pascal seconds (Pa.s) (10,000 SSU) maximum and specify "High Viscosity Meter Clearances"
  • Over 2 Pa.s: Specify " High Viscosity Meter Clearances" and derate maximum flow rate in direct proportion to viscosity over 2 Pa.s. For example, at 4 Pa.s, derate maximum flow rate to 50 % of normal continuous rating 210 USGPM

Temperature - Standard Meter Clearances with

  • Buna-N/PTFE: -20° to 150° F (-29° to 65° C)
  • FKM: 10° to 150° F (-12° to 65° C)
  • Low Temperature FKM: -50° to 150° F (-46° to 65° C)

Temperature - High Temperature Meter Clearances with

  • Buna-N/PTFE: -20° to 200° F (-29° to 93° C)
  • FKM: 10° to 200° F (-12° to 93° C)
  • Low Temperature FKM: -50° to 200° F (-46° to 93° C)

Temperature - All Iron Trim with

  • Buna-N: -20° to 225° F (-29° to 108° C)
  • PTFE: -20° to 400° F (-29° to 205° C)
  • FKM: 10° to 400° F (-12° to 205° C)
  • Low Temperature FKM: -50° to 400° F (-46° to 205° C)
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