Fisher R622E & R652E LP Gas Regulators
Introduction
Fisher's R622E and R652E are two-stage pressure regulators designed specifically for liquefied petroleum gas (LPG) systems. Their primary purpose is to regulate gas pressure from high to a lower pressure suitable for equipment use, and they are widely used in residential, commercial, and industrial gas supply systems.

Specification
|
Parameter |
R622E |
R652E |
|
Stage |
Secondary |
Secondary |
|
Outlet Pressure |
Approx. 2 PSI (0.14 bar) |
Approx. 2 PSI (0.14 bar) |
|
Body Design |
Straight-through |
Back-mounted |
|
Maximum Flow |
High |
High |
|
Materials |
Corrosion-resistant alloy |
Corrosion-resistant alloy |
|
Installation |
Inline |
Back-mounted |
|
Certification |
UL / CSA |
UL / CSA |
|
Operating Temperature |
-40°F to 150°F (-40°C to 65°C) |
-40°F to 150°F (-40°C to 65°C) |

Features
Corrosion Resistant
Constructed with alloy materials, it resists corrosion from external factors such as moisture and salt.
Wide Temperature Range
These two regulators provide stable gas pressure regulation over a wide temperature range of -40°F to 150°F (-40°C to 65°C).
Flexible Installation
The R622E and R652E offer different installation options: the R622E is a straight-through design, while the R652E is a back-mounted design, suitable for various installation space requirements.
Applications
Residential and Commercial Gas Systems
In residential and commercial gas supply systems, R622E and R652E regulators ensure stable gas supply pressure, supporting the efficient operation of everyday gas appliances such as cooking, heating, and hot water systems.
Industrial Gas Supply Systems
These regulators are widely used in industrial gas control systems, enabling precise pressure regulation under various high-pressure gas supply conditions to ensure the safe and efficient operation of industrial equipment.
Agricultural Equipment
In agricultural equipment, regulators are used in liquefied petroleum gas (LPG) supply systems to help agricultural machinery operate in low- or high-temperature environments, ensuring smooth agricultural production.

FAQ
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