FTM20/FTM21 Spare Parts List Overview
This document provides spare parts ordering information for the Soliphant T FTM20/FTM21 series level switches. The listed spare parts include housing covers, seals, electronic inserts, weather protection covers, and sliding sleeves, suitable for routine maintenance and fault replacement.
All spare parts are uniquely identified by order number. Please select the corresponding specifications according to the device model and requirements.
Housing and Sealing Spare Parts
Housing covers and seals are key components that ensure the instrument's protection rating. Common spare parts are shown in the table below.
| Order Number | Specification | Applicable Model/Remarks |
|---|---|---|
| 52005910 | Aluminum cover, O-ring EPDM, Aluminium housing F18 | F18 aluminum housing |
| 52025790 | Transparent cover, Gasket EPDM, Polyester housing | Polyester housing |
| 52027693 | Aluminum cover, O-ring 70.0x3.0 EPDM, for Aluminium housing F13/F17/F18 | Not suitable for EEx d |
| 52004137 | O-ring, Cover seal set Polyester housing F16 | F16 polyester housing |
| 52004277 | Seal kit, including 10x O-ring 70.0x3.0 EPDM | Universal |
Electronic Inserts and Diagnostic Inserts
Electronic inserts are used for signal processing and output, while diagnostic inserts can extend instrument functions. When selecting, confirm the output type and compatible model.
- 52025688: Electronic insert, 3-wire, suitable for Soliphant T FTM20/FTM21.
- 52025691: Electronic insert, relay DPDT, suitable for Soliphant T FTM20/FTM21.
- 71036514: Diagnostic insert, suitable for FTL50/FTL50H/FTL51/FTL51H/FTL51C, FTL70/FTL71, FTL80/FTL81/FTL85, FTM50/FTM51/FTM52.
Weather Protection Covers
Weather protection covers protect the instrument from direct sunlight and extend service life. The following two covers are suitable for a wide range of models.
- 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.
Sliding Sleeves and Sliding Sleeve Kits
Sliding sleeves are used for switch point adjustment, made of 316L stainless steel, available in pressureless and pressurized versions. Please select according to process pressure.
| Order Number | Specification | Pressure Rating | Applicable Model |
|---|---|---|---|
| 52023313 | Sliding sleeve R1-1/2 SS, Switch point adjustment, Material: 316L | Pressureless | FTM21 |
| 52023312 | Sliding sleeve, Switch point adjustment, Material: 316L | pressurised | FTM21 |
| 52024578 | Sliding sleeve, Switch point adjustment, Material: 316L | — | FTM21 |
| 52025090 | Sliding sleeve, Switch point adjustment, Material: 316L | pressurised | FTM21 |
O-rings and Other Accessories
O-rings are used for sealing welding adapters and sliding sleeves to ensure system sealing.
- 52014472: O-ring, for welding adapter G1 (52001051), suitable for Liquiphant M "GW2", Liquiphant T "7", Liquicap M "GWJ", Cerabar T PMP135 "N", Ceraphant T PTP35 "BB"; also for welding adapter G1, 316L 3.1 (52011896) and sliding sleeve Soliphant T.
Selection and Ordering Tips
When ordering spare parts, be sure to verify the order number and applicable model to avoid incorrect purchases. For explosion-proof applications, pay attention to whether the spare part is suitable for EEx d.
It is recommended to regularly check the condition of seals and electronic inserts and stock spare parts in advance to reduce downtime.