FTL51C Spare Parts List Overview

This article provides a spare parts list for the FTL51C level switch, including covers, electronic inserts, seal kits, cable entries, etc. It is suitable for Liquiphant M/S, Liquicap M, Soliphant M series. The following sections are organized by spare part category, listing order numbers, specifications, and applicable models.

Covers and Window Spare Parts

Cover spare parts are used to protect the interior of the instrument and are available in different materials and sealing options.

Aluminum Covers

  • 52002698: Aluminum cover, O-ring EPDM, suitable for aluminum housing F13, Ex d.
  • 52002699: Aluminum cover, O-ring EPDM, suitable for aluminum housing F17.
  • 52006903: Aluminum cover, O-ring EPDM, suitable for aluminum housing Liquiphant M/S, Liquicap M, Soliphant M.
  • 52007103: Aluminum cover, O-ring EPDM, for terminal compartment, aluminum housing T13.

Stainless Steel Covers

  • 52005266: Stainless steel cover, suitable for 316L stainless steel housing, Liquiphant M.
  • 52027000: Stainless steel cover, gasket 67.5x2.9x1.5 VMQ/PTFE, suitable for stainless steel housing F15.
  • 71114754: Cover, material 316L, O-ring 70.0x3.0 EPDM, suitable for stainless steel housing F27, FTL50/FTL51/FTL51C, FTL70/FTL71, FTL80/FTL81/FTL85.

Plastic Covers and Window Covers

  • 52025606: Plastic cover, gasket EPDM, polyester housing.
  • 52025790: Transparent cover, gasket EPDM, polyester housing.
  • 52027002: Window cover with sealing gasket, window glass, gasket 67.5x2.9x1.5 VMQ/PTFE, stainless steel housing F15.
  • 52028207: Window cover with sealing gasket, window polycarbonate PC, gasket 67.5x2.9x1.5 VMQ/PTFE, for non-hazardous area (EEx ia), stainless steel housing F15.

Adapters and Seal Kits

Adapters and seal kits ensure the sealing performance and compatibility of instrument installation.

Adapters

  • 52004236: Adapter, mounting kit, includes retaining ring 301, adapter ring PPA, suitable for Liquiphant M/S.
  • 52004133: Adapter, suitable for polyester housing F16.
  • 52004134: Adapter, suitable for polyester housing F16.
  • 52004135: Adapter, suitable for polyester housing F16.

Seal Kits and O-rings

  • 52004137: O-ring, cover seal kit, polyester housing F16.
  • 52004277: Seal kit, includes 10 O-rings 70.0x3.0 EPDM.
  • 52008495: Seal kit, for cover.
  • 52028179: Gasket, profile gasket for cover, stainless steel housing F15.
  • 71114756: Seal kit, includes 3 O-rings 70.0x3.0 FVQM, suitable for FTL50/FTL51/FTL51C, FTL70/FTL71, FTL80/FTL81/FTL85.

Cable Entries and Cable Glands

Cable entries ensure safe cable connection and are available in different thread specifications.

  • 52002447: Cable entry, includes adapter M20 > G1/2, 304, gasket NBR, blind plug G1/2, suitable for Cerabar M, Liquiphant M.
  • 52002448: Cable entry, includes adapter M20 > NPT1/2, 304, gasket NBR, plug NPT1/2, suitable for Cerabar M, Liquiphant M.
  • 52004278: Cable gland, includes cable gland M20, O-ring FKM, plug Pg11 PA.

Electronic Inserts

Electronic inserts are the core components of the instrument, providing different output and communication options.

Order Number Specification Applicable Models
52002304 Level switch 2-wire Liquiphant M/S (HT)
52002305 Level switch 3-wire Liquiphant M/S (HT)
52002306 19-253VAC/19-55VDC Liquiphant M/S (HT)
52002307 Level switch 2-wire 4-20mA Liquiphant M/S (HT)
52002308 Level switch 2-wire Liquiphant M/S (HT)
52002309 Level switch 2-wire Liquiphant M/S (HT)
52006454 Level switch 2-wire + button Liquiphant M/S (HT)
71027201 Liquiphant M, combined with FML621 Liquiphant M
71074953 PROFIBUS PA, hardware version 02.00, software version 01.03.00, current consumption 12.5mA±1.0mA FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL70/FTL71

Other Spare Parts

  • 52005977: Lubricant "SYNTHESO GLEP1" (8g per tube).
  • 71127760: Sunshade cover, suitable for FDR56, FMI21, FMI51/FMI52, FQR56, FTI51/FTI52/FTI55/FTI56, FTI77, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85, FTM20/FTM21, FTM50/FTM51/FTM52, FTR20, FTW31/FTW32/FTW33.
  • 71040497: Sunshade cover, suitable for FMI51/FMI52, FTI51/FTI52/FTI55/FTI56, FTI77, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85, FTM20/FTM21, FTM50/FTM51/FTM52.
  • 71067434: Change nameplate, blank, for filling in new order code after modification of non-explosion-proof instruments, suitable for FMB50/FMB51/FMB52, FMR230/FMR231, FMR240/FMR244/FMR245, FMR250, FMR530/FMR532, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85, NMR81, PMC51, PMC71, PMP51/PMP55.

Selection Notes

  • Confirm the instrument housing model (e.g., F13, F17, F15, F16, F27, T13) to select matching covers and seals.
  • Select the electronic insert according to the output signal and communication protocol, paying attention to voltage range and current consumption.
  • For hazardous area applications, select spare parts with corresponding explosion-proof certification, such as Ex d, EEx ia.
  • Cable entry thread specifications must match on-site wiring, commonly M20, G1/2, NPT1/2.