REGO BR-1784AP 1/2″ Brass Gas Line Regulator 5-55 PSIG O2 Clean

Item Specifics

Field	Information
Brand	REGO
MPN / Model	BR-1784AP
Series	BR-1784 / 1780 Series
Type	Heavy Duty Gas Line / Final Line Pressure Regulator
Regulator Type	Pressure Reducing Regulator
Body Material	Forged Brass
Port Size	1/2″ FNPT
Delivery Pressure Range	5–55 PSIG (0.3–3.8 barg)
Maximum Inlet Pressure	500 PSIG (34.5 barg)
Seat Disc & O-Rings	Viton
Diaphragm	Nitrile with PTFE liner
Springs / Fasteners	Stainless Steel
Other Valve Parts	Brass
Cv	3.1 (Kv 2.68)
Temperature Range	-40°F to +165°F (-40°C to +74°C)
Oxygen Service	Cleaned per CGA G-4.1
Factory Tested	Yes, 100% factory tested
Gauge Ports	1/4″ FNPT delivery-pressure gauge ports
Recommended Gauge Range	1–100 PSIG
Recommended REGO Gauge P/N	1286

REGO’s literature confirms the BR-1784A specifications, including the forged-brass construction, Viton components, PTFE-lined nitrile diaphragm, 5–55 PSIG range, 1/2″ FNPT connections, and Cv of 3.1. 

Key Features

• Heavy-duty industrial gas pressure regulator
• Forged brass body for durability
• 5–55 PSIG adjustable delivery-pressure range
• 500 PSIG maximum inlet pressure
• 1/2″ FNPT inlet/outlet configuration
• Viton seat disc and O-rings
• Nitrile diaphragm with PTFE liner
• Stainless-steel springs and fasteners
• High-flow Cv 3.1
• Oxygen-service cleaned per CGA G-4.1
• Operating temperature from -40°F to +165°F
• Factory tested
• Designed to maintain stable downstream pressure over changing inlet pressures 

Product details

Part / SKU	BR-1784AP

Package includes

• REGO BR-1784AP 1/2″ Brass Gas Line Regulator 5-55 PSIG O2 Clean

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.