PMD235 Differential Pressure Transmitter Spare Parts Overview
The PMD235 differential pressure transmitter is widely used in industrial process measurement, and the selection of its spare parts directly affects equipment maintenance efficiency and operational reliability. This article compiles a list of commonly used spare parts for the PMD235 series, including adapters, blind plugs, O-rings, vent valves, etc., for reference by engineering technicians and procurement personnel.
Detailed Spare Parts List
Adapter
Adapters are used to connect the transmitter housing to the cable entry, and the material and thread specifications must match on-site requirements. The following are commonly used adapter models:
| Order Number | Specification | Material | Applicable Housing |
|---|---|---|---|
| 919584-0000 | M26 > Pg13.5 | AlMgSiP | Aluminum housing |
| 919584-0001 | M26 > M20 | AlMgSiPb | Aluminum housing |
| 919584-0002 | M26 > NPT1/2 | AlMgSiPb | Aluminum housing |
| 919584-0003 | M26 > G1/2 | AlMgSiPb | Aluminum housing |
| 919584-0012 | M26 > NPT1/2 | 304 stainless steel | Stainless steel housing, Cerabar S, Deltabar S |
Note: Stainless steel housings require 304 material adapters to ensure corrosion resistance.
Blind plug
Blind plugs are used to seal unused cable entries and provide protection. Common models are as follows:
- 013990-0000: NPT1/2, h16.5, LD-PE material, sealing plug NPT1/2.
- 015797-2000: M20, h12/6, LD-PE material, sealing plug M20.
- 016137-0012: G1/2A, h12/6, HD-PE material, sealing plug G1/2.
Adhesive and O-rings
Adhesive is used for thread locking, and O-rings are used for sealing. Key spare parts include:
- 007169-0000: LOCTITE 638 adhesive, suitable for up to 1-1/4 threads.
- 013982-0000: O-ring 61.6 x 2.62, NBR 70 + PTFE, for cover plate T4.
- 016795-0000: O-ring 58.0 x 3.0, FKM 70 (-40°C), for PMD75.
- 016795-0001: O-ring 58.0 x 3.0, NBR 90, for PMD75.
Vent valve and blind plug
Vent valves are used to discharge gas from pipelines, and blind plugs are used to seal ports. Specific models:
| Order Number | Name | Specification | Material | Remarks |
|---|---|---|---|---|
| 943165-1100 | Vent valve (1x) | NPT1/4-18 | SS316L | Includes valve stem and valve sleeve, 316L |
| 943165-1101 | Vent valve (1x) | NPT1/4 | Alloy C276 | Includes valve stem and valve sleeve, alloy |
| 943165-0200 | Blind plug (2x) | NPT1/4 | 316L | 2 pieces, for PMD75 |
| 943165-0201 | Blind plug (2x) | NPT1/4 | Alloy | 2 pieces, phase out spares |
Tip: 943165-0201 is a phase out spare part; it is recommended to prioritize the 316L material model.
Selection and Procurement Recommendations
When selecting spare parts, confirm the transmitter housing material, thread specifications, and operating environment. For example, corrosive environments should use stainless steel or alloy materials. When purchasing, please check the order number to avoid installation issues caused by specification mismatch.
Regularly check the aging of O-rings and seals, and replace them promptly to prevent leaks. For discontinued spare parts, it is recommended to plan alternative solutions in advance.