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Product Specifications:
| Item | Reducing Union |
| Application | Gases, Liquids |
| Basic Material | Metal |
| Basic Pipe Fitting Material | Metal |
| Basic Pipe Fitting Shape | Reducer |
| Body Material | Brass |
| Compatible Fitting Brands | CPI |
| Fitting Material | Brass |
| Fitting Side A Connection Type | Compression |
| Fitting Side A Tube Outer Diameter | 3/8" |
| Fitting Side B Connection Type | Compression |
| Fitting Side B Tube Outer Diameter | 1/4" |
| Hex Size | 5/8" |
| Material | Brass |
| Maximum Operating Temperature | 400°F |
| Minimum Operating Temperature | 40°F |
| Overall Length | 1 23/32" |
| Product Datasheet | parker-6-4-hbz-b.pdf |
| Specific Fitting Shape | Straight Reducing Connector |
| Specific Pipe Fitting Shape | Reducing Union |
| System Of Measurement | Imperial |
| Temp. Range | -40°F to +400°F |
| Thread Size A | 9/16"-20 |
| Thread Size B | 7/16"-20 |
| Tube Fitting Material | Brass |
| Tube Outside Dia. | 3/8" |
| Tube Size | 3/8" |
| Tube Size | 3/8" x 1/4" |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 1.59 |
| Ship length (cm) | 4.37 |
| Ship width (cm) | 1.59 |
| HS code | 7307290090 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Tube Size | Hex Size | Body Material | Max. Operating Pressure | Max. Pressure | Connection Type | Pipe Size | Temp. Range | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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4-4 HBZ-SS | 1/4" | 1/2" | Stainless Steel | 10000 psi | - | Single Ferrule | 1/4" | -425°F to +1200°F | €49.53 | |
![]() |
6-6 HBZ-SS | 3/8" | 5/8" | Stainless Steel | 10000 psi | - | - | - | -425°F to +1200°F | €70.91 | |
![]() |
8-8 HBZ-SS | 1/2" | 13/16" | Stainless Steel | 10000 psi | - | - | - | -425°F to +1200°F | €105.83 | |
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4-4 HBZ-B | 1/4" | 1/2" | Brass | 3500 psi | 3500 psi | - | - | -40°F to +400°F | €23.62 | |
![]() |
6-6 HBZ-B | 3/8" | 5/8" | Brass | 2300 psi | 2300 psi | - | - | -40°F to +400°F | €28.31 | |
![]() |
8-8 HBZ-B | 1/2" | 13/16" | Brass | 2200 psi | 2200 psi | - | 3/4" | -40°F to +400°F | €47.28 | |
![]() |
10-10 HBZ-SS | 5/8" | 15/16" | Stainless Steel | 10000 psi | - | - | - | -425°F to +1200°F | €158.56 |
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PARKER 6-4 HBZ-B 6-4 HBZ-B-GR Reducing Union Brass Cpi x Cpi 3/8in x 1/4in
€39.61 /unit
