The Graco 257719 Restrictor Orifice Assembly (.042) helps regulate fluid flow and maintain proper material balance in compatible plural-component dispensing systems.
```
$612The Graco 257719 Restrictor, Orifice Assy, .042 is a precision-engineered flow restriction component designed for use in select Graco plural-component dispensing systems. Featuring a 0.042-inch orifice, this assembly helps regulate fluid flow and maintain proper material balance during dispensing operations.
Restrictor orifice assemblies play an important role in controlling flow rates and supporting consistent material ratios in applications involving polyurethane foam, polyurea coatings, adhesives, sealants, and other two-component materials. The correct orifice size helps optimize system performance and contributes to accurate dispensing results.
| Part Number | 257719 |
|---|---|
| Product Type | Restrictor Orifice Assembly |
| Orifice Size | 0.042 in. |
| Application | Flow control and material balancing in plural-component systems |
| Compatible Equipment Family | GX-16 Dispensing Guns and HFR Systems |
| Question | Answer |
|---|---|
| What does the Graco 257719 Restrictor Orifice Assembly do? | It restricts and controls fluid flow within compatible dispensing systems to help maintain proper material balance and dispensing performance. |
| What does the .042 specification mean? | The .042 designation refers to the 0.042-inch diameter orifice size used to regulate flow through the assembly. |
| Which Graco systems use this restrictor? | It is commonly used with Graco GX-16 dispensing guns and compatible HFR plural-component systems. |
| Can different orifice sizes be used in the same equipment? | Compatible equipment may support multiple restrictor sizes depending on the material, flow requirements, and application specifications. |
