FTI55 Spare Parts List: Selection Guide for Aluminum Covers, Electronic Inserts, and Sealing Rings
This article summarizes common spare parts for Liquicap M FTI55/FTI56 and other instruments, including housing covers, sealing components, electronic inserts, and installation accessories. Each spare part lists the order number, specification description, and applicable models, making it easy for engineering technicians and procurement personnel to quickly find and select parts.
I. Housing Covers and Sealing Components
Housing covers protect the internal electronic components of the instrument. Depending on the housing material and model, the corresponding cover and sealing ring must be selected. The following is a list of common spare parts.
1.1 Aluminum Covers (with O-ring)
Aluminum covers are suitable for aluminum housings and come standard with EPDM O-rings, providing protection. Different housing sizes and models require different order numbers.
| Order Number | Specification | Applicable Model/Housing |
|---|---|---|
| 52002698 | Aluminum cover, O-ring EPDM | Aluminium housing F13, Ex d |
| 52002699 | Aluminum cover, O-ring EPDM | Aluminium housing F17 |
| 52006903 | Aluminum cover, O-ring EPDM | Liquiphant M/S, Liquicap M, Soliphant M |
| 52007103 | Aluminum cover, O-ring EPDM | Aluminium housing T13 (terminal compartment) |
1.2 Plastic Covers and Stainless Steel Covers
Plastic covers are suitable for polyester housings, and stainless steel covers are suitable for stainless steel housings. Both must be used with the corresponding sealing gaskets.
| Order Number | Specification | Applicable Housing |
|---|---|---|
| 52025606 | Plastic cover, Gasket EPDM | Polyester housing |
| 52027000 | Stainless steel cover, Gasket 67.5x2.9x1.5 VMQ/PTFE | Stainless steel housing F15 |
1.3 Sealing Components and O-rings
Sealing components are used to seal the housing cover to ensure the protection rating. Different housing materials and sizes require the corresponding seals.
| Order Number | Specification | Applicable Housing |
|---|---|---|
| 52004137 | O-ring, Cover seal set | Polyester housing F16 |
| 52004277 | Sealing set (including 10x O-ring 70.0x3.0 EPDM) | — |
| 52008495 | Sealing set, for cover | — |
| 52028179 | Gasket, Profile gasket for cover | Stainless steel housing F15 |
II. Electronic Inserts
Electronic inserts are the core components of the instrument, responsible for signal processing and output. Different output types and supply voltages require different inserts. The following is a list of common electronic inserts.
| Order Number | Specification | Applicable Model |
|---|---|---|
| 71025814 | 19-253VAC, 19-55VDC | Liquicap M FTI51/52 |
| 71025815 | — | Liquicap M FTI51/52 |
| 71025816 | — | Liquicap M FTI51/52 |
| 71025819 | 3-wire PNP | Liquicap M FTI51/52 |
| 71025820 | 3-wire | Liquicap M FTI51/52 |
| 71042887 | 2-wire | FTI51/FTI52/FTI55/FTI56, FTI77 |
| 71100895 | 8/16mA, 11-36VDC | FTI51/FTI52/FTI55/FTI56, FTI77 |
III. Installation Accessories and Process Seals
Installation accessories include separate cables, mounting kits, and sun protection covers. Process seals are used for process connections. Correct selection ensures long-term stable operation of the instrument.
3.1 Separate Cables and Mounting Kits
- 71084478: Separate cable, length 6m, used to connect the sensor to the separate housing, suitable for FTI51/FTI52/FTI55/FTI56, FTI77.
- 919806-1000: Mounting kit (2"/pipe 38_V4A), suitable for FMI51/FMI52, FTG20, FTI51/FTI52, FTI55/FTI56, FTI77, FTM50/FTM51/FTM52.
3.2 Sun Protection Covers
Sun protection covers protect the instrument from direct sunlight and extend its service life. The following are two common sun protection covers.
- 71040497: Suitable for FMI51/FMI52, FTI51/FTI52/FTI55/FTI56, FTI77, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85, FTM20/FTM21, FTM50/FTM51/FTM52.
- 71127760: 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.
3.3 Process Sealing Rings
Process sealing rings are used for process connections G1 and G1-1/2 to ensure leak-free sealing.
| Order Number | Specification | Applicable Process Connection |
|---|---|---|
| 52014048 | Sealing ring, Process gasket | G1 |
| 52014047 | Sealing ring, Process gasket | G1-1/2 |
All the above spare parts are suitable for Liquicap M FTI55/FTI56 and other series instruments. When selecting, please confirm the housing model and process connection specifications. For more information, please refer to the product manual or contact technical support.