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Product Specifications:
| Item | Compression Fitting |
| Application | Gases, Liquids |
| Basic Material | Metal |
| Basic Pipe Fitting Material | Metal |
| Basic Pipe Fitting Shape | Union |
| Body Material | Stainless Steel |
| Compatible Fitting Brands | A LOK |
| Compatible Tube Material | Stainless Steel |
| Configuration Sub-type | Union Flareless |
| Configuration Type | Straight |
| Connection Type | A LOK |
| End 2 Type | Inch |
| Ferrule Type | Double |
| Fitting Material | Stainless Steel |
| Fitting Side A Connection Type | Compression |
| Fitting Side A Tube Outer Diameter | 1/4" |
| Fitting Side B Connection Type | Compression |
| Fitting Side B Tube Outer Diameter | 1/8" |
| Grade | Grade 316 |
| Hex Size | 1/2" |
| Material | Stainless Steel |
| Material Grade | Grade 316 |
| Maximum Operating Temperature | 649°C |
| Minimum Operating Temperature | 255°C |
| Overall Length | 1 17/32" |
| Product Datasheet | parker-4ru2-316.pdf |
| Resistance Properties | Corrosion Resistant, Gall Resistant |
| Series | A LOK Series |
| Specific Fitting Shape | Straight Reducing Connector |
| Specific Pipe Fitting Shape | Reducing Union |
| Style | Tube To Tube Union |
| System Of Measurement | Imperial |
| Temp. Range | -425°F to +1200°F |
| Thread Size A | 7/16"-20 |
| Thread Size B | 5/16"-20 |
| Tube Fitting Material | Stainless Steel |
| Tube Fitting/adapter Type | Bite Type, A Lok Double Ferrule Flareless |
| Tube Outside Dia. | 1/4" |
| Tube Size | 1/4" |
Shipping Info:
| Ship weight (kg) | 0.11 |
| Ship height (cm) | 1.27 |
| Ship length (cm) | 3.89 |
| Ship width (cm) | 1.27 |
| HS code | 7307290090 |
| Country of Origin | US |
Product Details:
- A-LOK Series two ferrule compression fitting suitable for liquid, oil and gas flow operations in microelectronic manufacturing and petrochemical processing facilities
- Feature silver-plated nuts for ensuring gall resistance
- 316 SS construction for withstanding pressures up to 4100 PSI and hardened ferrules offer leakage free connections
- Adheres to ASTM-B16, CA-345, ASTM-B-453 and CA-360 standards
Documentation:
Product Variants
| Product | Model | Tube Size | Hex Size | Body Material | Connection Type | Max. Pressure | Max. Operating Pressure | Temp. Range | Basic Material | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
12RU8-316 | 3/4" | 1 1/16" | - | - | - | - | -425°F to +1200°F | Metal | €193.81 | |
![]() |
6RU4-316 | 3/8" | 5/8" | - | - | - | - | -425°F to +1200°F | Metal | €82.79 | |
![]() |
8RU4-316 | 1/2" | 13/16" | - | - | - | - | -425°F to +1200°F | Metal | €122.66 | |
![]() |
8RU6-316 | 1/2" | 13/16" | - | - | - | - | -425°F to +1200°F | Metal | €117.45 | |
![]() |
16RU8-316 | 1" | 1 3/8" | Stainless Steel | - | - | - | -425°F to +1200°F | Metal | €401.61 | |
![]() |
6RU4-B | 3/8" | 5/8" | Brass | - | - | - | -40°F to +400°F | Metal | €31.74 | |
![]() |
8RU4-B | 1/2" | 13/16" | Brass | - | - | - | -40°F to +400°F | Metal | €76.36 |
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PARKER 4RU2-316 Compression Fitting, Two Ferrule Compression, 1/4 Inch Size, SS
€63.17 /unit
