FTI77 Spare Parts List Overview
FTI77 is a commonly used instrument model in industrial level measurement, and its spare parts are numerous, involving housing covers, seals, electronic inserts, counterweights, and mounting accessories. This article organizes original factory spare parts information in tables and itemized lists for easy reference and selection by engineering technicians and procurement personnel.
The following content is divided into sections by spare part category, including order numbers, specification descriptions, and applicable models. Please select the appropriate material and certification level according to on-site conditions.
Housing Covers and Seals
Aluminum Covers and O-rings
Aluminum cover spare parts are mainly used for Ex d explosion-proof aluminum housings, paired with EPDM O-rings, and are suitable for different housing sizes. Please select the corresponding order number according to housing model F13, F17, or general aluminum housings.
| Order Number | Specification | Applicable 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) |
Plastic Covers and Stainless Steel Covers
Plastic covers and stainless steel covers are suitable for housings of different materials, with different gasket materials. Plastic covers use EPDM gaskets, while stainless steel covers use VMQ/PTFE gaskets, offering better temperature and corrosion resistance.
| 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 |
O-rings and Seal Kits
Seal kits are used for cover sealing to ensure the protection rating. Some kits contain multiple O-rings; please order as needed.
- 52004137: O-ring, Cover seal set Polyester housing F16
- 52004277: Seal kit, containing 10x O-ring 70,0x3,0 EPDM
- 52008495: Seal kit, for cover
- 52028179: Gasket, Profile gasket for cover, Stainless steel housing F15
Electronic Inserts
Electronic inserts are the core spare parts of the FTI77. Different output methods and supply voltages correspond to different order numbers. When selecting, confirm the instrument model and control system interface requirements.
| 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 |
Counterweights
Counterweights are used for cable or rope probes to provide tension maintenance. Materials include cast iron, galvanized steel, and 316L stainless steel, suitable for different steel rope diameters. Please select according to rope material and diameter.
| Order Number | Material | Set Screw | Applicable Rope |
|---|---|---|---|
| 71114538 | Cast iron | M10x16 | FTI77, rope 12mm steel |
| 71114539 | Galvanized steel | M8x12 | FTI77, rope 6mm steel; FTI56, rope 8mm steel, PA isolation |
| 71114540 | 316L | M8x12 | FTI56, FTI77, rope 6mm 316L |
| 71114541 | 316L | M10x16 | FTI56, FTI77, rope 12mm 316L |
Mounting Accessories and Accessories
Separate Housing Cable
71084478: Separate housing cable, length 6m, used to connect the sensor and separate housing, including housing adapter and cable gland. Applicable to FTI51/FTI52/FTI55/FTI56, FTI77.
Mounting Set
919806-1000: Mounting set (2"/pipe 38_V4A), applicable to FMI51/FMI52, FTG20, FTI51/FTI52, FTI55/FTI56, FTI77, FTM50/FTM51/FTM52.
Sun Shield
The sun shield is used for outdoor installation to prevent direct sunlight from causing instrument overheating. The following two sun shields are applicable to a wide range of models.
- 71040497: Applicable to FMI51/FMI52, FTI51/FTI52/FTI55/FTI56, FTI77, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85, FTM20/FTM21, FTM50/FTM51/FTM52.
- 71127760: Applicable to 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.
Selection Notes
- Confirm the instrument model and housing type, and select the corresponding cover and seals.
- The electronic insert must match the supply voltage and output signal (such as 2-wire, 3-wire PNP, 8/16mA).
- The counterweight material and rope diameter must match to avoid corrosion or mechanical failure.
- The separate housing cable length is 6m; consult the manufacturer if a longer distance is required.
- The sun shield can extend instrument service life and is recommended for outdoor installation.
The above spare parts information is based on original factory data. Please verify the latest version before actual ordering. For technical support, please contact the supplier.