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Product Specifications:
| Item | Reducing Coupling |
| Application | DWV |
| Basic Fitting Shape | Coupling |
| Bend Nominal Dimensions | 2" x 4 1/2" |
| Class | 0 psi |
| Color | Black |
| Fitting Material | Cast Iron |
| Fitting Side A Gender | Female |
| Fitting Side A Outside Diameter | 8 7/16" |
| Fitting Side A Type | Socket |
| Fitting Side B Gender | Female |
| Fitting Side B Nominal Pipe Size | 4" |
| Fitting Side B Outside Diameter | 4 7/16" |
| Fitting Side B Type | Socket |
| Includes Pre-applied Thread Sealant | No |
| Includes Seal | No |
| Material | Cast Iron |
| Max. Operating Pressure | 0 psi |
| Max. Steam Pressure | 0 |
| Overall Length | 4 1/2" |
| Pipe Fitting Material | Cast Iron |
| Specific Fitting Shape | Reducing Coupling |
| Standards | Astm A888 |
Shipping Info:
| Ship weight (kg) | 3.42 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Basic Fitting Shape | Fitting Side A Type | Max. Operating Pressure | Fitting Material | Color | Class | Fitting Side B Nominal Pipe Size | Fitting Side A Nominal Pipe Size | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
222138 | Coupling | Socket | 0 psi | Cast Iron | Black | 0 psi | 1 1/2" | 2" | €56.39 | |
![]() |
ZFB222138 | Coupling | Socket | 0 psi | Cast Iron | Green | 0 psi | 1 1/2" | 2" | €83.19 | |
![]() |
ZFB222046 | Coupling | Socket | 0 psi | Cast Iron | Green | 0 psi | 2" | 2" | €141.41 | |
![]() |
222139 | Coupling | Socket | 0 psi | Cast Iron | Black | 0 psi | 1 1/2" | 3" | €90.16 | |
![]() |
ZFB222140 | Coupling | Socket | 0 psi | Cast Iron | Green | 0 psi | 2" | 3" | €82.43 | |
![]() |
ZFB222048 | Coupling | Socket | 0 psi | Cast Iron | Green | 0 psi | 3" | 3" | €231.89 | |
![]() |
ZFB222142 | Coupling | Socket | 0 psi | Cast Iron | Green | 0 psi | 2" | 4" | €123.88 |
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Contact us
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GRAINGER 222164 Reducing Coupling, Cast Iron, 8 Inch X 4 Inch Pipe
€343.12 /unit


