FTL43 Level Switch Spare Parts Overview
FTL43 is a commonly used model in the Liquiphant series of level switches, widely applied in hygienic industrial processes. To ensure long-term stable operation of the equipment, correct selection of spare parts is crucial. This spare parts list provides order numbers, specifications, and applicable models for key accessories such as sealing gaskets, O-rings, weld-in seats, and cable plugs.
All spare parts are made of materials such as 316L stainless steel, silicone rubber, or EPDM, and comply with hygiene standards such as FDA, 3-A, EHEDG, and USP Class VI.
Sealing Gaskets and O-rings
Sealing Gaskets
Sealing gaskets are used to seal between the weld-in seat and the process connection to ensure no leakage. Common order numbers are as follows:
| Order Number | Specification | Applicable Model |
|---|---|---|
| 52014424 | Sealing gasket, for weld-in seat G1, adjustable, 316L (52001221) | Liquiphant M "GW2" |
| 52014424 | Sealing gasket, for weld-in seat G1, adjustable, 316L (52011898) | Liquiphant M "GW2" |
| 52014424 | Sealing gasket, for weld-in seat G1, adjustable | Liquiphant FTL330H/FTL330L, Liquiphant T FTL20H "UPJ" |
| 71075662 | Sealing gasket, material: silicone rubber VMQ, USP Class VI, FDA | Process connection G1 flush mount, weld-in seat G1 316L adjustable (52001221), weld-in seat G1 316L 3.1 adjustable (52011898), FTL31/FTL33, FTL80/FTL81, FTL50/FTL50H/FTL51/FTL51H, weld-in seat Rd52 316L adjustable (52001047), 316L 3.1 adjustable (52006909), FTL33, FTL50/FTL50H/FTL51/FTL51H |
O-rings
O-rings are used for static sealing of weld-in seats or sliding sleeves and are available in various materials. Main order numbers and parameters are as follows:
| Order Number | Specification | Applicable Model |
|---|---|---|
| 52014473 | O-ring, for weld-in seat G3/4 | Liquiphant M "GQ2" |
| 52014472 | O-ring, for weld-in seat G1 (52001051) | Liquiphant M "GW2", Liquiphant T "7", Liquicap M "GWJ", Cerabar T PMP135 "N", Ceraphant T PTP35 "BB" |
| 52014472 | O-ring, for weld-in seat G1 316L 3.1 (52011896) | Liquiphant M "GW2", Cerabar T PMP135 "N", Ceraphant T PTP35 "BB" |
| 52014472 | O-ring, for sliding sleeve | Soliphant T |
| 71140668 | O-ring, material: EPDM 70, USP Class VI, 3-A | Weld-in seat G1 316L (52001051) flush mount, FMI51, FMI52, FTI51, FTI52, FTL31, FTL33, FTL43, FTW23, FTW33, PMP23, PMP51, PTP33B, FTL50, FTL50H, FTL51, FTL51H, FTL80, FTL81, QMW43; weld-in seat G1 316L 3.1 (52011896) flush mount, FMI51, FMI52, FTI51, FTI52, FTL31, FTL33, FTW23, FTW33, PMP23, PMP51, PTP33B, FTL50, FTL50H, FTL51, FTL51H, FTL80, FTL81, QMW43, sliding sleeve FTM21 |
Weld-in Seats and Process Connections
The weld-in seat is a key component for achieving flush mounting. All materials are 316L stainless steel, some with EN10204-3.1 material certification. When selecting, pay attention to process connection dimensions and sealing materials.
| Order Number | Specification | Applicable Model |
|---|---|---|
| 52001047 | Weld-in seat, flush mount, material: 316L | General |
| 52006909 | Weld-in seat, flush mount, material: 316L, with EN10204-3.1 certification | FTL20H "UPJ", FTL50H/FTL51H "EE2" |
| 52001052 | Weld-in seat, flush mount, material: 316L, seal: silicone rubber O-ring | FTL50/FTL50H "GQ2" |
| 52011897 | Weld-in seat, flush mount, material: 316L, with EN10204-3.1 certification, seal: silicone rubber O-ring, FDA, 3-A compliant, additional EPDM O-ring, FDA, EHEDG, 3-A, USP Class VI compliant | FTL41, FTL43, FTL50, FTL50H, FTL51B, FTL63, FTL80, QMW43, TMR35 |
| 52001221 | Weld-in seat, flush mount, material: 316L, seal: silicone rubber O-ring, Liquiphant adjustable | FTL260 "0", FTL20 "7", FTL20H "GEJ", FTL330H/FTL330L "G", FTL50/FTL51, FTL50H/FTL51H "GW2" |
| 52011898 | Weld-in seat, flush mount, material: 316L, seal: silicone rubber O-ring, with EN10204-3.1 certification, Liquiphant adjustable | FTL260 "0", FTL20H "GEJ", FTL50/FTL51, FTL50H/FTL51H "GW2" |
| 71093129 | Weld-in seat, flush mount, material: 316L, with EN10204-3.1 certification, seal: silicone rubber O-ring, FDA, 3-A compliant, additional EPDM O-ring, FDA, EHEDG, 3-A, USP Class VI compliant | FMI51, FMI52, FTI51, FTI52, FTL31, FTL20H, FTL33, FTL41, FTL43, FTL50, FTL50H, FTL51, FTL51B, FTL51H, FTL63, FTL80, FTL81, FTL260, PMP135, PTP35, PTP33B, PMP23, PMP51, FTW23, FTW33, QMW43 |
| 71258358 | Weld-in seat G1, d=53, 316L, flush mount, seal: silicone rubber O-ring, FDA, 3-A compliant, additional EPDM O-ring, FDA, EHEDG, 3-A, USP Class VI compliant | FMI51, FMI52, FTI51, FTI52, FTL31, FTL33, FTL41, FTL43, FTL50, FTL50H, FTL51, FTL51H, FTL51B, FTL63, FTL80, FTL81, FTL260, FTL330H, FTL330L, PTP35, PTP33B, PMP23, PMP51, FTW23, FTW33, QMW43 |
| 52001051 | Process connection, weld-in seat G1, d=60, 316L, flush mount, seal: silicone rubber O-ring | FTL260 "0", FTL20 "7", FTL20H "GEJ", FTL330H/FTL330L "G", FTL50/FTL51, FTL50H/FTL51H "GW2", FMI51/FMI52, FTI51/FTI52 "GWJ", PMP135 "N", PTP35 "BB" |
| 52011896 | Weld-in seat G1, d=60, 3.1 material certification, flush mount, material: 316L, seal: silicone rubber O-ring, with EN10204-3.1 certification | FTL260 "0", FTL20H "GEJ", FTL50/FTL51, FTL50H/FTL51H "GW2", FMI51/FMI52, FTI51/FTI52 "GWJ", PMP135 "N", PTP35 "BB" |
Cable and Plug Accessories
FTL43 can be equipped with various cables and plugs to meet hygienic application requirements. Main accessories are as follows:
- 71638191: M12 plug, IP69 protection, customizable, suitable for hygienic applications, for FMR43, FTL43, PMP43.
- 71638253: M12 plug, IP69 protection, 90-degree angled, customizable, suitable for hygienic applications, for FMR43, FTL43, PMP43.
- 52018763: Cable with connector, 4x0.34, M12 box, 316L, LED, suitable for M12 plug, integrated LED indicator, with 5m PVC cable, 316L lock nut, for hygienic applications.
- 52010285: M12 aviation plug, 90-degree elbow, with 5m cable, suitable for M12 plug, with 5m PVC cable, tinned copper/nickel lock nut.
Selection Notes
- Confirm process connection dimensions, such as G1, G3/4, or Rd52.
- Select sealing material according to hygiene level requirements, such as silicone rubber or EPDM, and confirm certifications such as FDA, 3-A, and EHEDG.
- When material certification is required, choose a weld-in seat with EN10204-3.1.
- Choose straight or 90-degree elbow plug according to installation space.
- Ensure spare parts are compatible with the FTL43 model; refer to the applicable model list.
Correct selection of spare parts can extend equipment life and reduce downtime. If you have any questions, please consult technical support.