Xylem
Regulators
We’re 12,900 people unified in a common purpose: creating innovative solutions to meet our world’s water needs. Developing new technologies that will improve the way water is used, conserved, and re-used in the future is central to our work.
Variable mounting positions
Aluminum or cast iron diaphragm cases
Union connection for easy installation and service
Large capacity
Compatible with natural gas, propane, LPG, air nitrogen, etc.
Internal sensing for accurate pressure control (an external control line is optional) on Model 122 only
Protection against overpressurization
Low-pressure cut-off available
Internal relief valve available
Seven outlet pressure ranges
Compatible with natural gas, propane, LPG, air nitrogen, etc.
Special material available for certain corrosive gases
Available with low-pressure cut-off
Available with internal relief valve
Interchangeable bodies and diaphragm-case assemblies
High-pressure model available
Pilot-operated model available
Simple design
Standard face-to-face dimensions
Standardized bodies and fully interchangeable inner valve assemblies for easier maintenance
Simplified valve adjustment
Bushing guided inner valve
Molded polyurethane soft seats
Self-aligning spring adjustment
Simple design
Dependable regulation
Trouble-free operation
Fast response
No pilot maintenance
Ball-check diaphragm sentry for safety
Heavy-duty construction
Simple design
Dependable regulation
Fast response
Trouble-free operation
Can be used for zero governor service
Five different outlet pressure ranges
Angled or straight configuration
Set pressure adjustable with QR-S installed
Rated to 25 psig MAOP
Compatible with combustion regulators 121 and 122 and Commercial 243
Available with internal relief valve, low-pressure cut-off
Accuracy within ± 0.5% (absolute outlet pressure) from minimum to wide-open flow
Performs on natural gas, LP gas, nitrogen, dry CO2 and air