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Product Specifications:
| Item | Adapter |
| Application | Air, Non Potable Water |
| Basic Fitting Shape | Adapter |
| Fitting Material | Stainless Steel |
| Fitting Side A Gender | Male |
| Fitting Side A Nominal Pipe Size | 3/4" |
| Fitting Side A Type | BSPT |
| Fitting Side B Gender | Male |
| Fitting Side B Nominal Pipe Size | 1/2" |
| Fitting Side B Type | BSPT |
| Grade | Grade 316L |
| Hex Size | 27 mm |
| Included Pre-applied Thread Sealant | No |
| Included Seals | No |
| Low Lead Compliance Level | Not Compliant |
| Material Grade | 316L |
| Max. Operating Pressure | 2176 psi |
| Max. Steam Pressure | 2176 psi |
| Overall Length | 1 5/8" |
| Pipe Fitting Material | Stainless Steel |
| Specific Fitting Shape | Unequal Adapter |
Shipping Info:
| Ship weight (kg) | 0.09 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Fitting Material | Max. Operating Pressure | Specific Fitting Shape | Grade | Fitting Side A Nominal Pipe Size | Fitting Side B Nominal Pipe Size | Hex Size | Max. Steam Pressure | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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3666 08 10 | Brass | 435 psi | Straight Reducing Connector | - | - | - | - | - | €40.76 | |
![]() |
3666 06 08 | Brass | 435 psi | Straight Reducing Connector | - | - | - | - | - | €35.05 | |
![]() |
1821 34 27 | Stainless Steel | 2176 psi | Unequal Adapter | Grade 316L | 1" | 3/4" | 36 mm | 2176 psi | €161.36 | |
![]() |
1821 21 17 | Stainless Steel | 2176 psi | Unequal Adapter | Grade 316L | 1/2" | 3/8" | 22 mm | 2176 psi | €148.34 | |
![]() |
1821 13 10 | Stainless Steel | 2176 psi | Unequal Adapter | Grade 316L | 1/4" | 1/8" | 14 mm | 2176 psi | €105.33 | |
![]() |
1821 17 13 | Stainless Steel | 2176 psi | Unequal Adapter | Grade 316L | 3/8" | 1/4" | 17 mm | 2176 psi | €70.98 | |
![]() |
0121 42 42 | Brass | 1000 psi | Adapter | Grade C36000 | 1 1/4" | 1 1/4" | 46 mm | 1000 psi | €116.06 |
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LEGRIS 1821 27 21 Unequal Adapter, 316L Stainless Steel, 3/4 Inch x 1/2 Inch Size Fitting Pipe Size
€160.18 /unit


