The INVALCO Model 80S Gas Scrubber Valve is a float-operated liquid dump valve for fuel gas scrubbers and air eliminators. It installs through a 2" pipe coupling, or can be contained by a 1" nipple welded into a cover plate, and replaces the IC-125 or Model 80 scrubber valve.
Key specifications
- Body: 60 KSI tensile steel
- Connections: 1" FPT x 2" MPT
- Maximum working pressure: 350 psi at 200 °F (500 psi float implosion); 175 psi above 200 °F
- Temperature limits: -50 to 250 °F
- Float: Glass-filled nylon with bonded cap and 1/4-20 thread for added drop-out weight (1/4" fender washers)
- Ball plug: Fluoroelastomer
- Compliance: Meets NACE MR0175 requirements
- Weight: 3.5 lb
How to specify / order
- Complete valve: Model 80S, 1" x 2", 350 psi, stock no. P537103
- Replacement ball plug (fluoroelastomer): P537071
- Replacement float: P537102
- Other parts per bulletin parts list: bushing P537013, rod P537069 (qty 3), set screw P537096, bottom plate P537076, #10 hex nut P539154
The bulletin prints the NACE standard as "MRO175"; the standard is NACE MR0175.
Pricing and lead time are quoted per configuration. Send the model code (or your application details), product, flow range, and pressure/temperature to Flow Measurement Services for a quote. Specifications summarized from Smith Meter (INVALCO) bulletin SSIN002 Rev 0.1 (8/17); confirm current data with the factory before ordering.
Smith Meter (formerly FMC Technologies / TechnipFMC Measurement Solutions), now manufactured by Guidant. Flow Measurement Services supplies and services Smith Meter equipment.

