Dixon
R91-221RG - R91 Series 1 FRLs Miniature Water Regulator
- SKU:
- R91-221RG
- Availability:
- Usually Ships Same Day
- Weight:
- 0.31 LBS
Description
Dixon R91-221RG R91 Series 1 FRLs Miniature Water Regulator
The Dixon R91-221RG R91 Series 1 FRLs Miniature Water Regulator is a non-relieving regulator designed for use with deionized water and potable water systems.
The R91-221RG is supplied with a GC620 gauge and features food-grade elastomers. Plastics and metals in contact with the fluid are approved by the National Sanitation Foundation (NSF) or meet Food and Drug Administration (FDA) recommendations for use in potable water.
Product Highlights
- Dixon R91 Series 1 miniature water regulator
- Model: R91-221RG
- Designed for deionized water and potable water systems
- Non-relieving type
- Supplied with GC620 gauge
- Food-grade elastomers
- Fluid-contact plastics and metals are NSF approved or meet FDA recommendations for potable water use
- Flow rating is based at 100 PSIG
Technical Specifications
| Manufacturer | Dixon |
|---|---|
| Series | R91 Series 1 FRLs |
| Model | R91-221RG |
| Product Type | Miniature Water Regulator |
| Regulator Type | Non-Relieving |
| Gauge | GC620 Gauge |
| Elastomers | Food Grade |
| Intended Use | Deionized Water and Potable Water Systems |
| Flow Rating Condition | 100 PSIG |
| Fluid-Contact Materials | Plastics and metals are NSF approved or meet FDA recommendations for use in potable water |
Deionized & Potable Water Applications
The R91-221RG is specifically designed for use with deionized water and potable water systems.
Non-Relieving Regulator
The supplied product information identifies the R91-221RG as a non-relieving type miniature water regulator.
GC620 Gauge Included
The R91-221RG is supplied with a GC620 gauge. The supplied product information does not provide the gauge's pressure range.
Food-Grade & Potable Water Materials
Food-Grade Elastomers
The regulator's elastomers are identified as food grade.
Fluid-Contact Materials
Plastics and metals in contact with the fluid are approved by the National Sanitation Foundation (NSF) or meet Food and Drug Administration (FDA) recommendations for use in potable water.
Flow Rating & Service Notes
- The supplied safety information states that the flow rating is at 100 PSIG.
- A specific flow value was not included in the supplied product information.
- Dixon states that FRLs are designed for air service only unless otherwise indicated.
- This R91-221RG is specifically identified as a miniature water regulator designed for use with deionized water and potable water systems.
California Proposition 65 Warning
WARNING: This product contains lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.

Our specialists can help with product information and application questions for the Dixon R91-221RG R91 Series 1 FRLs Miniature Water Regulator.
Email the GetPipe.com Team Visit Quick SupportFrequently Asked Questions
What is the Dixon R91-221RG?
The R91-221RG is a Dixon R91 Series 1 FRLs Miniature Water Regulator.
What is the R91-221RG designed for?
It is designed for use with deionized water and potable water systems.
Is the R91-221RG a relieving or non-relieving regulator?
The supplied product information identifies it as a non-relieving type regulator.
Does the R91-221RG include a gauge?
Yes. The regulator is supplied with a GC620 gauge.
Are the elastomers food grade?
Yes. The supplied product information identifies the elastomers as food grade.
Are the fluid-contact materials suitable for potable water?
The supplied specifications state that plastics and metals in contact with the fluid are approved by the National Sanitation Foundation (NSF) or meet Food and Drug Administration (FDA) recommendations for use in potable water.
What is the flow rating of the R91-221RG?
The supplied safety information states that the flow rating is at 100 PSIG, but a specific flow value was not provided.
Is the 100 PSIG figure the regulator's maximum pressure?
The supplied information identifies 100 PSIG as the condition for the flow rating. It does not identify 100 PSIG as the maximum operating pressure.
What is the pressure range of the included GC620 gauge?
The supplied product information does not provide the pressure range of the GC620 gauge.
Does this product carry a Proposition 65 warning?
Yes. The supplied product information states that this product contains lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.
Important Ordering & Use Notes
- This listing covers the Dixon R91-221RG R91 Series 1 FRLs Miniature Water Regulator.
- The regulator is specifically designed for use with deionized water and potable water systems.
- The R91-221RG is a non-relieving type and is supplied with a GC620 gauge.
- The supplied information identifies the elastomers as food grade.
- Plastics and metals in contact with the fluid are NSF approved or meet FDA recommendations for use in potable water.
- The supplied safety information states that the flow rating is at 100 PSIG. A specific flow value was not provided.
- The 100 PSIG figure is identified as a flow-rating condition and should not be interpreted from the supplied information as the regulator's maximum operating pressure.
- Dixon's general FRL safety note states that FRLs are designed for air service only unless otherwise indicated; this product is specifically identified for deionized and potable water service.
- This product carries the supplied California Proposition 65 warning regarding lead.