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Product Specifications:
| Item | Bulkhead |
| Application | Water, Beverages, Food, Co2 |
| Basic Pipe Fitting Material | Plastic |
| Basic Pipe Fitting Shape | Coupling |
| Color | White |
| Compatible Tube Material | Glass, Thermoplastic |
| Configuration Sub-type | Union Bulkhead |
| Configuration Type | Tube to Tube |
| Fitting Material | Nylon |
| Fitting Side A Tube Outer Diameter | 1/4" |
| Fitting Side B Connection Type | Compression |
| Fitting Side B Tube Outer Diameter | 1/4" |
| Hex Size | 13/16" |
| Length | 2.188" |
| Material | Nylon |
| Max. Operating Pressure | 50 psi |
| Max. Operating Temp. | 200°F |
| Mfr. Series | FAST & TITE |
| Min. Operating Temp. | 40°F |
| Operating Temp. Range | -40°F to +200°F |
| Outer Diameter 1 | 1/4" |
| Overall Length | 2 3/16" |
| Product Datasheet | parker-n4bu4.pdf |
| Seal Material | Nitrite |
| Series | FAST AND TITE Series |
| Specific Application | Meets Fda And Nsf-51 Requirements |
| Specific Fitting Shape | Straight Bulkhead Union |
| Specific Pipe Fitting Shape | Bulkhead |
| System Of Measurement | Inch |
| Tube Outside Dia. | 1/4" |
| Tube Size | 1/4" |
Shipping Info:
| Ship weight (kg) | 0.02 |
| Ship height (cm) | 0.64 |
| Ship length (cm) | 5.56 |
| Ship width (cm) | 2.06 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Tube Size | Max. Operating Temp. | Min. Operating Temp. | Hex Size | Max. Operating Pressure | Fitting Material | Fitting Side A Tube Outer Diameter | Tube Outside Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
P4BU4 | 1/4" | 100°C | -18°C | 13/16" | 300 psi | Polypropylene | 1/4" | 1/4" | €12.78 | |
![]() |
N5BU5 | 5/16" | 200°F | 40°F | 13/16" | 300 psi | Nylon | 5/16" | 5/16" | €22.40 | |
![]() |
N6BU6 | 3/8" | 200°F | 40°F | 15/16" | 300 psi | Nylon | 3/8" | 3/8" | €20.50 | |
![]() |
N8BU8 | 1/2" | 200°F | 40°F | 1 5/32" | 150 psi | Nylon | 1/2" | 1/2" | €19.51 |
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PARKER N4BU4 Compression Fitting Union, Union, Bulkhead, 1/4 in OD x 1/4 in OD Size, Nylon
€14.95 /unit


