11371 Spare Parts List Overview
This spare parts list applies to Endress+Hauser 11371 series probes and related process connections. It covers key spare parts such as stainless steel covers, O-rings, welded seats, process connections, and sealing rings. Each spare part provides order number, specifications, material, and applicable models, making it convenient for engineering and technical personnel and procurement personnel to quickly select.
Spare Parts List and Specifications
Stainless Steel Cover and O-ring
- Stainless Steel Cover: Order No. 52006123, suitable for 11371 probe, includes O-ring NBR.
- O-ring: Order No. 010561-0001, specification 26.7 x 1.78 NBR 70.
Welded Seat and Process Connection
- Welded Seat: Order No. 517211-1000, model 11371 D30 G1/2 SS, material 316Ti, includes O-ring 17.0x2.5 EPDM, suitable for 11371.
- Process Connection: Order No. 517212-1000, model 11371 G1/2 316Ti, includes gasket 22x32x3 FA and O-ring 17x2.5 EPDM.
Sealing Ring and Sealing Cone
- Sealing Ring: Order No. 913282-0000, specification 22x32x3 FA.
- Sealing Cone: Order No. 917213-1000, inner diameter d_i=7.5, material silicone, suitable for 11371.
- Process Gasket: Order No. 71185027, complies with DIN7603-A, suitable for process connections, compatible with FMI51/FMI52, FTI51/FTI52, FMP50/FMP51/FMP56, FMR62, QMW43, FTL31/FTL33, FTW23/FTW33, FTL50/FTL50H/FTL51, FTL80/FTL81 and other models.
Welding Adapter and Probe Rod
- Welding Adapter: Order No. 71258355, G3/4 d=50, material 316L, flush-mounted process connection, suitable for vessel installation. Sealing material is silicone O-ring, complies with FDA, 3-A standards, additionally includes EPDM O-ring, complies with FDA, EHEDG, 3-A, USP Class VI standards. Suitable for FTL20/FTL20H, FTL31/FTL33, FTW23, FTW33, FMI51, FTI51, QMW43, 11371 and other models.
- Probe Rod: Order No. 11371X-, material 316Ti, PFA partially insulated, includes cone and installation kit.
- Sealing Ring: Order No. 71529759, specification 15.08x2.62 EPDM, 5-piece pack. Suitable for welding adapter G3/4" d29 316L (71258357/52028295) and FTW23, FTW33, QMW43, 11371, FTL31, FTL33; also suitable for welding adapter G3/4" d50 316L (71258355/52018765) and FMI51, FTI51, FTW23, FTW33, QMW43, 11371, FTL31, FTL33.
Spare Parts Parameter Comparison Table
| Order No. | Name | Specification/Material | Applicable Models |
|---|---|---|---|
| 52006123 | Stainless Steel Cover | Includes O-ring NBR | 11371 |
| 010561-0001 | O-ring | 26.7 x 1.78 NBR 70 | 11371 |
| 517211-1000 | Welded Seat | D30 G1/2 SS, 316Ti, O-ring 17.0x2.5 EPDM | 11371 |
| 517212-1000 | Process Connection | G1/2 316Ti, gasket 22x32x3 FA, O-ring 17x2.5 EPDM | 11371 |
| 913282-0000 | Sealing Ring | 22x32x3 FA | 11371 |
| 917213-1000 | Sealing Cone | d_i=7.5, silicone | 11371 |
| 71185027 | Process Gasket | DIN7603-A | FMI51/FMI52, FTI51/FTI52, FMP50/FMP51/FMP56, FMR62, QMW43, FTL31/FTL33, FTW23/FTW33, FTL50/FTL50H/FTL51, FTL80/FTL81 |
| 71258355 | Welding Adapter | G3/4 d=50, 316L, silicone O-ring, EPDM O-ring | FTL20/FTL20H, FTL31/FTL33, FTW23, FTW33, FMI51, FTI51, QMW43, 11371 |
| 11371X- | Probe Rod | 316Ti, PFA partially insulated, includes cone and installation kit | 11371 |
| 71529759 | Sealing Ring | 15.08x2.62 EPDM, 5-piece pack | FTW23, FTW33, QMW43, 11371, FTL31, FTL33, FMI51, FTI51 |
Selection and Procurement Recommendations
When selecting spare parts, please match according to the actual application's process connection type, material requirements, and certification standards. For example, the food and beverage industry needs to pay attention to FDA, 3-A, EHEDG certifications; the chemical industry needs to pay attention to corrosion-resistant materials such as 316Ti, 316L. It is recommended to check the original equipment model and spare part order number to ensure compatibility.
Frequently Asked Questions
How to determine the O-ring material?
NBR is suitable for general oil-based environments, EPDM is suitable for water, steam, and weather-resistant scenarios, and silicone is suitable for high and low temperatures and food contact. Choose according to the medium and temperature.
What certifications does the welding adapter have?
The 71258355 welding adapter complies with FDA, 3-A, EHEDG, USP Class VI standards, suitable for sanitary applications.
Do spare parts include installation kits?
Some spare parts such as the probe rod 11371X- include a cone and installation kit, while other spare parts need to be confirmed separately.