Điều áp Rego 1784, 1786,1788 Series
Heavy Duty Brass Final Line Pressure Regulator BR-1780 Series
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Application
The BR-1780 Series Regulators are designed for final line pressure regulation on medical oxygen systems. They are equally suitable for a variety of gases in medical or industrial applications. The BR-1780 Series Regulators have a balanced seat, are constructed with oxygen compatible materials, and offer a tamper resistant adjustment screw cap. Flow performance is impressive as well offering up to 30,000 SCFH for the 3/4” and 1” model and up to 20,000 SCFH for the 1/2” model.
Features
- Maintains a steady downstream pressure across a range of inlet pressure commonly provided by a cryogenic bulk tank.
- Large seat and diaphragm areas provide high capacity with sensitive control of delivery pressure with low falloff.
- Two 1/4” FNPT delivery pressure gauge ports are located (plugged) on each side of the valve.
- Two bonnet drain/vent holes to allow for different mounting orientation.
- Bonnet cap covering adjusting screw for tamper protection.
- Maximum inlet pressure is 400 psig.
- Available in four delivery pressure ranges.
- Temperature range: -40° F to +165° F.
- Cleaned per CGA G-4.1 for oxygen service
Materials
Body ........................................................................... Forged Brass
Bonnet ............................................. Cast bronze for BR-1786/1788. Forged brass for BR-1784
Diaphragm ..................................................... Nitrile with PTFE liner
Springs, fasteners, and adjusting screw ................... Stainless Steel
Other valve parts ..................................................................... Brass
Seat Disc & O-Rings.............................................. Viton is standard
For Carbon Dioxide and Nitrous Oxide Service: Specify EPDM material for seat disc and 0-Rings, add “E” to end of part number.
Maintenance and Options Kits
| Regulator Models | 1784 | 1786 | 1788 |
|---|---|---|---|
| Repair Kit Part Number | 1784-80 | 1786-80 | 1786-80 |
| Spring Kit Part Numbers: | |||
| “A” spring 5 –55 psig | 1784-7SKA | 1786-7SKA | 1788-7SKA |
| ”B” spring 40-110 psig | 1784-7SKB | 1786-7SKB | 1788-7SKB |
| ”C” spring 100-200 psig | 1784-7SKC | 1786-7SKC | 1788-7SKC |
| T-Handle Screw Option Kit | 1784ST | 1786ST | 1786ST |
Dimensions
The BR-1780 Series Regulators have inlet and outlet connection dimensions similar to the popular 1680 Series aluminum regulators. This means that you can replace the respective size 1680 Series regulator with the new BR-1780 Series regulator and have the improved performance and premium features available on the BR-1780 Series
For Carbon Dioxide or Nitrous Oxide Service, add “E” to end of part number.
Ordering Information
| Part Number |
Delivery Pressure Range |
Delivery Pressure Range |
Inlet & Outlet (F.N.P.T.) |
Dimensions | Cv | ||||
|---|---|---|---|---|---|---|---|---|---|
| Range (PSI) | P/N | “A” | “B” | “C” | “D” | ||||
| BR-1784A | 5-55 psig | 1-100 | 1286 | ½” | 2.82” | 3.62” | 1.38” | 5.21” | 3.1 |
| BR-1784B | 40-110 psig | 1-200 | S1679 | ½” | 2.82” | 3.62” | 1.38” | 5.21” | 3.1 |
| BR-1784C | 100-200 psig | 1-400 | 15578 | ½ | 2.82” | 3.62” | 1.38” | 5.21” | 3.1 |
| BR-1786A | 5-55 psig | 1-100 | 1286 | ¾” | 3.31” | 4.69” | 1.60” | 6.46” | 4.8 |
| BR-1786B | 40-110 psig | 1-200 | S1679 | ¾ | 3.31 | 4.69” | 1.60” | 6.46” | 4.8 |
| BR-1786C | 100-200 psig | 1-400 | 15578 | ¾ | 3.31” | 4.69” | 1.60” | 6.46” | 4.8 |
| BR-1788A | 5-55 psig | 1-100 | 1286 | 1” | 3.31” | 4.69” | 1.60” | 6.46” | 5.5 |
| BR-1788B | 40-110 psig | 1-200 | S1679 | 1” | 3.31” | 4.69” | 1.60” | 6.46” | 5.5 |
| BR-1788C | 100-200 psig | 1-400 | 15578 | 1” | 3.31” | 4.69” | 1.60” | 6.46” | 5.5 |
