High-temp variable area flow meter

Lake’s High Temperature Flow Meters enable flow monitoring of barrel heating fluids, thermal transfer fluids such as Syltherm® coolant flows, hydraulic circuits, and sub-circuits. Select from aluminum, brass, or stainless steel design for media compatibility requirements. High temperature flow meters are available for air, water, and oil flow measurement with maximum temperature of 600°F.

Key features

  • Measuring Accuracy:
    ±2.0% of full scale
  • Flow Measuring Range:
    0.1-150 GPM (0.4-560 LPM)
  • Maximum Operating Pressure:
    Liquids Aluminum and brass meters: 3500 PSIG (240 Bar) Stainless steel meters: 6000 PSIG (410 Bar) Air/Gas Aluminum and brass meters: 600 PSIG (40 Bar) Stainless steel meters: 1000 PSIG (69 Bar)
  • Maximum Operating Temperature:
    H-Series 400°F (204°C) J-Series 600°F (315°C)
  • Choice of Materials:
    Select from aluminum, brass or stainless steel to meet system and media compatibility requirements.
Description

Choice of Materials: Select from aluminum, brass or stainless steel to meet system and media compatibility requirements.

Unrestricted Mounting: Allows for horizontal, vertical or inverted installation and does not require straight plumbing on inlet or outlet.

Multiple Ports Available: Standard selection of NPT, SAE and BSPP ports reduces the amount of adapters required for installation.

Bi-Directional and Reverse Flow Option Offered: High temperature monitors are also available in bidirectional and reverse flow versions. Contact the factory for more information.

Technical Specifications
Measuring Accuracy:

±2.0% of full scale

Repeatability:

±1% of full scale

Flow Measuring Range:

0.1-150 GPM (0.4-560 LPM)

Maximum Operating Pressure:

Liquids
Aluminum and brass meters: 3500 PSIG (240 Bar)
Stainless steel meters: 6000 PSIG (410 Bar)
Air/Gas
Aluminum and brass meters: 600 PSIG (40 Bar)
Stainless steel meters: 1000 PSIG (69 Bar)

Maximum Operating Temperature:

H-Series:  400°F (204°C)
J-Series:  600°F (315°C)

Standard Calibration Fluids:

Oil meters:  DTE 25® @ 110°F (43°C), 0.873 sg
Water meters: water @ 70°F (21°C), 1.0 sg
Air meters: air @ 70°F (21°C), 1.0 sg  & 100 PSIG (6.8 bar)

Filtration Requirements:

74 micron filter or 200 mesh screen minimum

Materials of Construction:

Window Tube:  Pyrex®

Window Seals:  PTFE

Casing & End Ports:  Anodized Aluminum, Brass, or Stainless Steel

Seals:
H-Series (400°F) :  FKM w/ PTFE backup
J-Series (600°F):  FFKM w/ PTFE backup

Transfer Magnet:  PTFE coated Alnico

All other internal parts:  Stainless steel

 

Part Number Guide

Downloads
Pressure Differential Graphs