PMP21 Spare Parts List Overview
The PMP21 pressure transmitter is widely used in industrial processes, and the selection of its spare parts directly affects measurement accuracy and equipment lifespan. This article compiles commonly used spare parts for the PMP21, including sealing kits, process connections, electrical connectors, and explosion-proof protective covers. The following lists order numbers, specifications, and applicable models by category for quick reference by engineering technicians and procurement personnel.
Sealing Kits and Gaskets
Flat Sealing Gaskets
- Order Number: 52009800
- Specification: Set of process gaskets Viton for Cerabar M/Cerabar S, metal cell
- Description: Suitable for Cerabar M/S series with metal measuring cells, Viton material resistant to corrosion.
Sealing Kits
- Order Number: 71286350
- Specification: Includes gasket 18.5x23.9x1.5 FKM, O-ring 14x1.78 FKM
- Applicable Models: PMP11, PMP21, PMP51, PTP31B
Electrical Connectors
Harting Connectors
| Order Number | Specification | Applicable Models |
|---|---|---|
| 71280307 | M16, includes plug, screws, seal, valve plug ring, adapter ring | FTI26, FTL31/FTL33, FTW33, PMC11, PMC21, PMP11, PMP21/PMP23 |
| 71280349 | NPTF1/2, includes plug, screws, seal, valve plug ring, adapter ring | FTI26, FTL31/FTL33, FTW33, PMC11, PMC21, PMP11, PMP21/PMP23 |
M12 Plugs and Cables
- Order Number: 52006263, M12 plug, 4-pin, 125V/4A, self-connecting, M12 to cable gland
- Order Number: 52010285, M12 aviation plug, 90-degree elbow, with 5m cable, PVC material, tinned copper/nickel locking nut
- Order Number: 71114212, M12 aviation plug, 90-degree, self-connecting, suitable for M12 plug
Process Connections and Weld-in Adapters
Stainless Steel Connections
- Order Number: 52002643, Weld-in adapter G1/2, 316L, flush-mounted process connection, suitable for PMP41 "1D", material 316L, requires protective plug for proper installation
- Order Number: 52010172, Weld-in adapter G1/2, requires protective plug during welding, 3.1 material certification, suitable for PMP41 "1D", material 316L, EN10204-3.1 certified
- Order Number: 71389241, Weld-in G1/2, 316L, A DIN 3852, suitable for PMP11, PMP21, PMP51, PMP71, PTP31B
- Order Number: 71389243, Weld-in adapter G1/2, 3.1 material certification, suitable for PMP21, PMP51, PMP71, material 316L, EN10204-3.1 certified
Welding Protective Plugs
- Order Number: 52005082, used to prevent deformation during welding of weld-in adapters 52002643/52010172
Explosion-proof Protective Covers
FTI26 Explosion-proof Protective Cover
- Order Number: 71395803
- Material: PC
- Description: Must be used for explosion-proof versions. Without the explosion-proof protective cover, the following explosion-proof certifications cannot be guaranteed: FTI26 dust explosion-proof; Ex ec certification for PMC21 and PMP21.
Selection Notes
- Confirm that the transmitter model matches the applicable spare part models, such as PMP21 with PMP11/PMP51, etc.
- Pay attention to process connection standards and materials, such as G1/2, NPTF1/2, 316L stainless steel.
- In explosion-proof environments, the corresponding explosion-proof protective cover must be selected to ensure certification validity.
- Always use protective plugs during welding installation to avoid deformation affecting the seal.
The above spare parts are based on original specifications; please verify order numbers and descriptions when purchasing. Correct selection can improve measurement reliability and extend equipment service life.