FTL85 Spare Parts List and Selection Guide: A Comprehensive Analysis of Covers, Seals, and Electronic Inserts

FTL85 Spare Parts List Overview

The FTL85 is a tuning fork level switch in the E+H Liquiphant series, widely used in industrial process control. To ensure long-term stable operation of the equipment, correct selection and replacement of spare parts are crucial. This article compiles common spare parts for the FTL85 and its series instruments, including covers, seals, electronic inserts, cable entries, etc., for reference by engineering technicians and procurement personnel.

Cover Spare Parts

Cover spare parts are used to protect the internal components of the instrument. Depending on the material and applicable housing, they are divided into plastic covers, aluminum covers, and stainless steel covers. When selecting, confirm the housing model and explosion-proof requirements.

Plastic Covers and Transparent Covers

• 52025606: Plastic cover, with EPDM gasket, suitable for Polyester housing.
• 52025790: Transparent cover, with EPDM gasket, suitable for Polyester housing.

Aluminum Covers

• 52002698: Aluminum cover, with EPDM O-ring, suitable for Aluminium housing F13, Ex d explosion-proof.
• 52002699: Aluminum cover, with EPDM O-ring, suitable for Aluminium housing F17.
• 52027693: Aluminum cover, with O-ring 70.0x3.0 EPDM, suitable for Aluminium housing F13/F17/F18, not suitable for EEx d.
• 52006903: Aluminum cover, with EPDM O-ring, suitable for Aluminium housing Liquiphant M/S, Liquicap M, Soliphant M.
• 52028271: Aluminum cover, with mineral glass window, independently tested, EEx d/XP, with EPDM O-ring FDA 72.0x3.0, suitable for Aluminium housing T13.
• 52007103: Aluminum cover, with EPDM O-ring, for terminal compartment, suitable for Aluminium housing T13.

Stainless Steel Covers

• 71114754: Cover, material 316L, with O-ring 70.0x3.0 EPDM, suitable for stainless steel housing F27, FTL50/FTL51/FTL51C, FTL70/FTL71, FTL80/FTL81/FTL85.
• 71185025: Cover, material 316L, with O-ring 70.0x3.0 FVQM, suitable for stainless steel housing F27, FTL80/FTL81/FTL85, FTM50/FTM51/FTM52.
• 52027000: Stainless steel cover, with gasket 67.5x2.9x1.5 VMQ/PTFE, suitable for stainless steel housing F15.
• 52027002: Window cover with sealing gasket, window glass, with gasket 67.5x2.9x1.5 VMQ/PTFE, suitable for stainless steel housing F15.
• 52028179: Gasket, special-shaped gasket for cover, suitable for stainless steel housing F15.

Seals and O-rings

Seals are key to ensuring the instrument's protection rating and explosion-proof performance. Common seals for the FTL85 include O-rings, seal kits, and gaskets, with materials such as EPDM, FKM, VMQ/PTFE, etc.

O-rings and Seal Kits

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

Adapters

• 52004133: Adapter, suitable for Polyester housing F16.
• 52004134: Adapter, suitable for Polyester housing F16.
• 52004135: Adapter, suitable for Polyester housing F16.

Electronic Inserts

Electronic inserts are the core components of the FTL85, responsible for signal processing and output. When selecting, pay attention to supply voltage, ambient temperature, and hardware/software versions.

Order Number	Description	Supply	Ambient Temperature	Hardware/Software Version	Applicable Models
71184994	Electronic insert, level switch 2-wire	12-30VDC	-40°C	HW 01.00 / SW 01.00.00	FTL80/FTL81/FTL85
71184997	Electronic insert, level switch 2-wire	12-30VDC	-50°C	HW 01.00 / SW 01.00.00	FTL80/FTL81/FTL85

Cable Entries and Cable Glands

Cable entries and cable glands are used to introduce cables and ensure sealing. Common models for the FTL85 include M20, NPT1/2, G1/2, etc.

• 52002447: Cable entry, includes adapter M20 > G1/2 (304), NBR gasket, blind plug G1/2, suitable for Cerabar M, Liquiphant M.
• 52002448: Cable entry, includes adapter M20 > NPT1/2 (304), NBR gasket, plug NPT1/2, suitable for Cerabar M, Liquiphant M.
• 52004278: Cable gland, includes cable gland M20, FKM O-ring, Pg11 PA plug.
• 71185029: Cable gland, includes metal cable gland M20, O-ring 17.0x2.0 EPDM + PTFE/FDA, suitable for stainless steel housing F15, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85.

Connectors and Accessories

Connectors and accessories are used for electrical connection, identification, and protection, ensuring reliable operation of the instrument in harsh environments.

• 52010285: M12 aviation plug, 90-degree elbow, with 5m cable, PVC material, tinned copper/nickel lock nut.
• 52024216: Cable socket, M12x1 plug, 5m cable PVC, 316L locking, especially suitable for sanitary applications.
• 52005977: Lubricant, SYNTHESO GLEP1, 8g tube.
• 71067434: Change nameplate, blank, for filling in new order number 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.
• 71127760: Sunshade, 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, suitable for FMI51/FMI52, FTI51/FTI52/FTI55/FTI56, FTI77, FTL50/FTL50H/FTL51/FTL51C/FTL51H, FTL70/FTL71, FTL80/FTL81/FTL85, FTM20/FTM21, FTM50/FTM51/FTM52.

Selection and Ordering Notes

1. Confirm the instrument housing model (e.g., F13, F15, F16, F17, F18, F27, T13) and explosion-proof rating (Ex d, EEx d, etc.).
2. Select seal material based on the application environment: EPDM for water/steam, FKM for oil/chemicals, VMQ/PTFE for sanitary applications.
3. Electronic inserts must match the supply voltage and ambient temperature, and note hardware/software version compatibility.
4. Provide the complete order number when ordering and check the applicable model list to avoid incorrect installation.

Note: Before replacing spare parts, be sure to disconnect power and follow explosion-proof regulations. If in doubt, contact the manufacturer or authorized distributor.