Dwyer HF Series In-Line Flow Monitor |
Dwyer HF Series Features
- This unique design allows accurate performance with fluid viscosities up to 500 SSU
- All internal wetted parts are contained inside a sealed metal tubular casing assuring a virtually maintenance-free unit
- Increased application versatility with no inlet or outlet straight plumbing requirement and can be mounted horizontally, vertically, or inverted
- Rugged construction allows for high pressure and temperature rating for long operation life
Application
- Setting pressure relief valves
- Fluid handling equipment
- Detecting low-flow rates for lubricating liquids
- Pulp and paper
- Industrial maintenance
- Fluid power
- Heating loop flow
Dwyer HF Series Specification
Service | Compatible gases or liquids. |
Wetted Materials | HFA: Aluminum casing, Buna-N seals, PTFE coated Alnico magnet, SS disk; HFB: Brass casing, Buna-N seals, PTFE coated Alnico magnet, SS disk; HFS: 303 SS casing, FKM seals with PTFE backup, PTFE coated Alnico magnet, SS disk. |
Maximum Viscosity | 500 SSU. |
Temperature Limits | 240°F (116°C). |
Pressure Limits | HFA, HFB, HFL and HFH models: 600 psig (41 bar) for air and gas, 3500 psig (241 bar) for liquids; |
HFS model: 1000 psig (70 bar) for air and gas, 6000 psig (413 bar) for liquids. | |
Accuracy | ±4% FS over entire range; ±2.5% over center third of the measuring range. |
Repeatability | ±1% of FS. |
Shipping Weight | |
1/4" to 1/2" female NPT models; 2 lb (0.9 kg); | |
3/4" to 1" female NPT models: 3.5 lb (1.59 kg); 1-1/2" female NPT models: 11 lb (5 kg); | |
2" female NPT models: 13.5 lb (6.12 kg). |
Download Data Sheet: HF In-Line Flow Monitors
Ref: dwyer-inst.com