Fisher R622, R642, and R652 Series Second-Stage Regulators - LP-Gas
Rp123000.00
Product Description
The Fisher R600 Series second-stage regulators are UL-listed devices designed for reducing the outlet pressure from a first-stage regulator in domestic LP-gas installations. These regulators are ideal for ensuring safe and accurate delivery of gas for residential systems. The Type R622 is optimized for two-stage applications, handling up to 1,400,000 BTU per hour (15.8 SCMH). It features a high-performance relief valve and a large 3/4-inch screened vent for overpressure protection, ensuring downstream pressure remains below 2 psig (0.14 bar). Types R642 and R652 offer alternative configurations with angled and back-mounted designs for specific installation needs.
Key Features
Improved Accuracy: Provides precise pressure regulation for reliable system performance.
Superior Relief Performance: Protects the system from overpressure situations.
Corrosion-Resistant Materials: Ensures durability and extended service life in harsh environments.
Inlet Screen: Filters debris for enhanced safety and performance.
Test Ports: Facilitates convenient system checks and maintenance.
Positive Drainage: Prevents moisture accumulation for reliable operation.
20-Year Recommended Replacement Life: Promotes long-term reliability and peace of mind.
UL Listed: Meets safety and performance standards for domestic installations.
Specifications
Configurations:
Type R622: Standard second-stage regulator with a straight-through body design.
Type R642: 90° body design for metered installations.
Type R652: Back-mount regulator for specialized setups.
Body Sizes and End Connections (Inlet x Outlet):
Type R622: 1/2-inch FNPT, 1/2 x 3/4-inch FNPT, 3/4-inch FNPT.
Types R642 and R652: 1/2 x 3/4-inch FNPT, 3/4-inch FNPT.
Maximum Pressures:
Inlet Pressure: 10 psig (0.69 bar).
Emergency Inlet Pressure: 50 psig (3.4 bar).
Capacity: Up to 1.4 MBTU/hr.
Outlet Pressure Ranges: 9 to 20 inches w.c. (22 to 50 mbar).
Pressure Registration: Internal.
Temperature Capabilities: -20°F to 160°F (-29°C to 71°C).
Weight: Approximately 1.4 pounds (635 grams).
Applications
These regulators are ideal for:
Domestic LP-gas installations.
Two-stage systems for residential heating and cooking applications.
Metered and back-mount configurations for tailored installations.
