Brooks Instrument Sho-Rate Model 1358 Variable-Area Flowmeter
About this part
1358F1A1EC2B1A is a configured Brooks Instrument Sho-Rate Model 1358 glass tube variable-area flowmeter. Official Brooks 1358 documentation identifies the 1358F base as a Sho-Rate "50", Size 8 rotameter and its model-code table decodes this configured code with R-8M-75-1 tube, 8-RV-8 stainless steel float, GPM liquid scale context, Viton packing/O-rings, 3/8 inch NPT 316 stainless steel fittings/adapters, and a stainless steel inlet needle valve. The official PDFs are model-level documents rather than a serialized exact-part build sheet, so final replacement decisions should still confirm the physical scale, label, and port orientation
Unit-specific configuration
Observed configuration
Historical listing records identify 0.8 GPM water capacity-table context. Exact gas, range, fittings, valve configuration, and communication interface must be verified from the physical unit label.
Configurations vary. Verify the exact unit before choosing a replacement.
Observed full-scale range0.8 GPM water capacity-table context
Configuration statusVerify from unit label
Application classIndustrial automation and process equipment
CategoryFlow Control
Specifications
Identification
Configured part identifier
1358F1A1EC2B1A
Device type
Glass tube variable-area flowmeter / rotameter
Series family
Brooks Sho-Rate Model 1358
Base model code
1358F - Sho-Rate "50", Size 8
Configured model code
1358F1A1EC2B1A
Function
Measuring principle
Variable-area flow indication using a tapered borosilicate glass metering tube and float
Performance
Standard accuracy
Brooks Model 1358 documentation lists standard accuracy as +/-10% of full scale
Repeatability
Brooks Model 1358 documentation lists repeatability as 0.5% full scale
Rangeability
10:1
Pressure and temperature
Standard pressure and temperature rating
Brooks Model 1358 documentation lists 200 psig at 33 deg F to 250 deg F / 1 deg C to 121 deg C, with separate CRN certification context at 100 psig over the same temperature range
Configuration
Tube code
1 - R-8M-75-1
Float code
A - 8-RV-8, 316 stainless steel
Tube packing and O-ring code
C - Viton tube packing and Viton O-ring
Configured-unit rule
Physical label and scale markings should be checked before replacement because the Brooks PDFs are model-code and family documents, not a serialized build sheet or calibration certificate for this individual meter
Flow
Official capacity-table context
Brooks Model 1358 capacity tables associate the 8-RV-8 float with 0.8 gpm water maximum flow and 3.4 scfm air maximum flow at stated reference conditions
Scale
Scale type code
1 - scale on tube
Scale inscription code
E - GPM liquid, specific gravity 1.0, viscosity 1.0 cP, standard 10% accuracy
Connections
Fitting and adapter code
2 - 3/8 inch NPT connection with 316 stainless steel fitting and adapter
Connection orientation code
1 - inlet port back, outlet port back
Valve
Valve configuration code
B - standard stainless steel needle valve on inlet
Accessories
Accessories code
A - none
Construction
Metering tube material
Borosilicate glass
Window and sleeve context
Brooks Model 1358 documentation lists scratch-resistant UV-stabilized polycarbonate window components and a UV-stabilized polycarbonate protective tube sleeve
Installation
Mounting position
Install within 6 degrees of true vertical with the inlet connection at the bottom end fitting
Observed configuration
Stored listing context
Stored Sonisys auction records for this exact identifier describe 0.1-0.8 gpm and 3/8 inch NPT context; use this only as observed configured-unit evidence alongside the official code-table decode
Applications
Application domain
Local indication or needle-valve control of low-flow liquid service where the configured Model 1358 materials, pressure/temperature rating, and accuracy are appropriate
