REGO 1788 Series Heavy-Duty Gas Pressure Regulator – High-Performance for Medical & Industrial Applications
Brand: REGO
Model: 1788A-C,1788B-C,1788C-C,1788D-CHOT
Connection size: 1 “F.NPT x 1” F.NPT
Adjustment Range:5~55PSI,40~110PSI,100~200PSI,175~300PSI
Connection method: threaded connection
Valve body material: Brass
Medium: LNG,O2, N2, Ar,N2O, He, H2,Air, Mixes

Product Overview
The REGO 1788 series heavy-duty gas pressure regulator is specifically designed for terminal pressure regulation in gas distribution systems. It is suitable for diverse gas applications in medical and industrial fields. Featuring a balanced seat design and oxygen-compatible materials, the valve body is constructed from brass, with internal components identical to the premium BR-1788 series. Its flow performance matches that of the BR-1788 series.
Core Advantages
- Superior Performance: Maintains stable downstream pressure within common inlet pressure ranges from low-temperature bulk tanks.
- Efficient Design: Large-sized seat and diaphragm area enable high-capacity output while ensuring sensitive pressure control and low pressure drop rate.
- Convenient Configuration: Each side of the valve body includes a 1/4″ FNPT outlet pressure gauge connection (with plug).
- Flexible Installation: Two valve cover drain/vent ports support multiple mounting orientations.
- Precise Adjustment: T-handle adjustment screw facilitates easy operation.
- Reliable Testing: 100% factory testing guarantees product reliability.
Technical Specifications
- Pressure Range:
- Maximum inlet pressure: 435 psig (30 bar).
- Four available outlet pressure ranges (Types A-D).
- Temperature Range: -40°F to +165°F (-40°C to +74°C).
- Cleanliness Standard: Complies with CGA G-4.1 oxygen service cleanliness standards.
Material Composition
- Valve Body: Forged brass.
- Valve Cover: Nickel-plated aluminum.
- Diaphragm: Nitrile rubber with PTFE lining.
- Springs & Fasteners: Stainless steel.
- Other Valve Components: Brass.
- Seat Disk & O-Rings: Standard Viton material.
REGO 1788 Series Heavy-Duty Gas Pressure Regulator
| Model(Old Model) | Connection size | Connection method | Pressure Range(psi) |
|---|---|---|---|
| 1788A-C(1788A) | 1" F.NPT | threaded | 5~55 |
| 1788B-C(1788B) | 40~110 | ||
| 1788C-C(1788C) | 100~200 | ||
| 1788D-C(1788D) | 175~300 |
Brand: REGO
Model: 1788A-C
Connection size: 1 “F.NPT x 1” F.NPT
Adjustment Range:5~55PSI
Connection method: threaded connection
Valve body material: Brass
Medium: LNG,O2, N2, Ar,N2O, He, H2,Air, Mixes
Brand: REGO
Model: 1788B-C
Connection size: 1 “F.NPT x 1” F.NPT
Adjustment Range:40~110PSI
Connection method: threaded connection
Valve body material: Brass
Medium: LNG,O2, N2, Ar,N2O, He, H2,Air, Mixes
Brand: REGO
Model: 1788C-C
Connection size: 1 “F.NPT x 1” F.NPT
Adjustment Range:100~200PSI
Connection method: threaded connection
Valve body material: Brass
Medium: LNG,O2, N2, Ar,N2O, He, H2,Air, Mixes
Brand: REGO
Model: 1788D-C
Connection size: 1 “F.NPT x 1” F.NPT
Adjustment Range:175~300PSI
Connection method: threaded connection
Valve body material: Brass
Medium: LNG,O2, N2, Ar,N2O, He, H2,Air, Mixes
| Brand |
RegO |
|---|




