CA-1/CA-2 Back Pressure / Relief Regulator

Model CA-1

Inlet Pressure Range: Atmospheric to 525 psig (36.2 Barg)

Connection Size: 1/8″ or 1/4″ (DN6 or 8) NPT female pipe threads

Maximum Design Pressure: 525 psig (36.2 Barg)

Temperature Range:

• SST Diaphragm: -325 to +300°F (-198 to +149°C)
• Buna-N Diaphragm: -20 to +200°F (-29 to +94°C)
• Gylon Diaphragm: -325 to +300°F (-198 to +149°C)

Model CA-2

Inlet Pressure Range: Atmospheric to 610 psig (42.0 Barg)

Connection Size: 1/4″, 3/8″, or 1/2″ (DN8, 10, or 15) NPT female pipe threads

Maximum Design Pressure: 610 psig (42.0 Barg)

Temperature Range:

• SST Diaphragm: -325 to +300°F (-198 to +149°C)
• Buna-N Diaphragm: -20 to +200°F (-29 to +94°C)
• Gylon Diaphragm: -325 to +300°F (-198 to +149°C)

• Self-Aligning Plug/Seat: The seat ring floats within a mechanically contained zone, ensuring proper alignment and tight shutoff.
• Tight Shutoff: Lapped seat surfaces allow for leakage rates to approach the levels of composition seats, providing reliable sealing and minimal leakage.
• Versatile Design: Suitable for various fluids and gases, including air, oil, water, and cryogenic gases, with the exception of steam service.

• Fuel Oil Systems: Used as a bypass flow regulator.
• Cryogenic Gas and Liquid Handling
• General Industrial Applications: Air, oil, water, and gas services.
• Sour Gas Service: Suitable for sour gas handling.

• Liquid Recirculation Around Pumps: Widely used in systems where maintaining consistent pressure is critical.
• Bypass Flow Regulation: Ideal for use in fuel oil systems and other applications where excess pressure needs to be relieved.
• Cryogenic Applications: Effective in both cryogenic gases and liquids, ensuring safe and efficient pressure control.
• General Services: Applicable for various industrial processes involving air, oil, water, and gas. Not recommended for steam service.