Stainless Steel ORB Male Union
Stainless Steel ORB Male Union in 316L stainless steel, forged. 9 part numbers, 1/4" to 2"; the size table gives the size on each end and dimensions in millimetres for every Indus part number.
Key features
- Body Configuration: straight union
- Port A Thread: SAE O-ring boss (ORB), 1/4" to 2" (7/16-20 to 2-1/2-12)
- Port A Sealing: SAE straight-thread port sealed by an O-ring under the hex
- Nominal Size Range: 1/4" to 2"
- Max Working Pressure: Up to 5,000 psi, falling with size (SAE J514, manufacturer); see the table
- Body Configuration
- straight union
- Port A Thread
- SAE O-ring boss (ORB), 1/4" to 2" (7/16-20 to 2-1/2-12)
- Port A Sealing
- SAE straight-thread port sealed by an O-ring under the hex
Product description
The Stainless Steel ORB Male Union is a straight union in 316L stainless steel, forged from one piece. It carries two SAE O-ring boss (ORB) male ends. Stainless steel is chosen where corrosion rules out zinc-plated carbon steel: offshore and marine lines, chemical, fertiliser and petroleum plant, and food, beverage and pharmaceutical process equipment.
Construction
- Body: straight union
- End 1: SAE O-ring boss (ORB) male
- End 2: SAE O-ring boss (ORB) male
- Material: 316L stainless steel, forged
Ends and sealing
- SAE O-ring boss (ORB): SAE straight-thread port sealed by an O-ring under the hex; SAE J1926 / ISO 11926.
Sizes
9 part numbers, 1/4" to 2". The Sizes & Part Numbers tab lists the size on each end and dimensions in millimetres for every one.
- End 1: 1/4" ORB (7/16-20) to 2" ORB (2-1/2-12)
- End 2: 1/4" ORB (7/16-20) to 2" ORB (2-1/2-12)
Pressure rating
Manufacturer's published ratings (SAE J514), from 1,000 to 5,000 psi depending on size and end:
| Nom. SAE Dash Size | Nom. Tube O.D. Inches | 37 Degree Flare Straight Thread | Nom. Pipe Size | SAE St. Threads Union & Bulkhead (PSI) | Fittings With Pipe Threads (PSI) |
|---|---|---|---|---|---|
| 2 | 1/8 | 5/16-24 | 1/8 | 5000 | 5000 |
| 3 | 3/16 | 3/8-24 | 1/8 | 5000 | 5000 |
| 4 | 1/4 | 7/16-20 | 1/8 | 5000 | 5000 |
| 5 | 5/16 | 1/2-20 | 1/8 | 5000 | 5000 |
| 6 | 3/8 | 9/16-18 | 1/4 | 5000 | 5000 |
| 8 | 1/2 | 3/4-16 | 3/8 | 4500 | 4000 |
| 10 | 5/8 | 7/8-14 | 1/2 | 3500 | 3000 |
| 12 | 3/4 | 1 1/16-12 | 3/4 | 3500 | 3000 |
| 14 | 7/8 | 1 3/16-12 | 3/4 | 3000 | 2500 |
| 16 | 1 | 1 5/16-12 | 1 | 3000 | 2000 |
| 20 | 1 1/4 | 1 5/8-12 | 1 1/4 | 2500 | 1150 |
| 24 | 1 1/2 | 1 7/8-12 | 1 1/2 | 2000 | 1000 |
| 32 | 2 | 2 1/2-12 | 2 | 1500 | 1000 |
NOTE: Since many factors influence the pressure at which a system will or will not perform satisfactory, values shown in this table should not be construed as guaranteed minimum.
Carbon-steel version
The same configuration in zinc-plated carbon steel: Steel ORB Male Adjustable Union.
How to order
Quote the Indus part number from the size table. If you only have the fitting, send the thread or tube size on each end and the material, and Indus engineering will confirm the part number. Price and lead time are confirmed with the quotation.
Identification
| Parameter | Value |
|---|---|
| Body Configuration | straight union |
Port A
| Parameter | Value |
|---|---|
| Port A Thread | SAE O-ring boss (ORB), 1/4" to 2" (7/16-20 to 2-1/2-12) |
| Port A Sealing | SAE straight-thread port sealed by an O-ring under the hex |
| Port A Gender | male |
Port B
| Parameter | Value |
|---|---|
| Port B Thread | SAE O-ring boss (ORB), 1/4" to 2" (7/16-20 to 2-1/2-12) |
| Port B Sealing | SAE straight-thread port sealed by an O-ring under the hex |
| Port B Gender | male |
Dimensions
| Parameter | Value |
|---|---|
| Nominal Size Range | 1/4" to 2" |
Performance
| Parameter | Value |
|---|---|
| Max Working Pressure | Up to 5,000 psi, falling with size (SAE J514, manufacturer); see the table |
Construction
| Parameter | Value |
|---|---|
| Material | 316L stainless steel, forged |
Compliance
| Parameter | Value |
|---|---|
| Applicable Standards | SAE J1926, ISO 11926, ASME B1.20.1 |
Shipping & lead time
Sizes & part numbers
9 sizes| Indus part no. | End 1 | End 2 | Y (mm) | D (mm) | L (mm) |
|---|---|---|---|---|---|
| IH-SS-6407-04-04 | 1/4" ORB (7/16-20) | 1/4" ORB (7/16-20) | 14.3 | 4.4 | 37.3 |
| IH-SS-6407-06-06 | 3/8" ORB (9/16-18) | 3/8" ORB (9/16-18) | 17.5 | 7.5 | 39.6 |
| IH-SS-6407-08-08 | 1/2" ORB (3/4-16) | 1/2" ORB (3/4-16) | 22.2 | 9.9 | 44.7 |
| IH-SS-6407-10-10 | 5/8" ORB (7/8-14) | 5/8" ORB (7/8-14) | 25.4 | 12.3 | 51.8 |
| IH-SS-6407-12-12 | 3/4" ORB (1-1/16-12) | 3/4" ORB (1-1/16-12) | 31.8 | 15.5 | 59.2 |
| IH-SS-6407-16-16 | 1" ORB (1-5/16-12) | 1" ORB (1-5/16-12) | 38.1 | 21.4 | 59.9 |
| IH-SS-6407-20-20 | 1-1/4" ORB (1-5/8-12) | 1-1/4" ORB (1-5/8-12) | 47.6 | 27.4 | 58.7 |
| IH-SS-6407-24-24 | 1-1/2" ORB (1-7/8-12) | 1-1/2" ORB (1-7/8-12) | 54 | 33.4 | 61.5 |
| IH-SS-6407-32-32 | 2" ORB (2-1/2-12) | 2" ORB (2-1/2-12) | 69.8 | 45.2 | 65.8 |
End 1 — Thread or flange nominal size at this end, exactly as the manufacturer prints it. End 2 — Thread or flange nominal size at this end, exactly as the manufacturer prints it. Y — Hex across flats — printed "Y HEX" on the manufacturer drawing. D — Dimension D on the manufacturer dimension drawing. L — Dimension L on the manufacturer dimension drawing. Ask us for the dimension drawing if you need it stamped.
Every size is available in 316 stainless steel on request — add “-SS” to the part number when you enquire.
What is it made from?▾
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Shipped worldwide from our Dubai warehouse. Transit, routes and documentation for 126 destinations
The same part, in the designations used across European and Gulf trade catalogues.
- de
- gerade O-Ring Boss (ORB) Außengewinde mit O-Ring Verschraubung
- fr
- mâle O-Ring Boss (ORB) avec joint torique union
- es
- macho O-Ring Boss (ORB) con junta tórica unión
- it
- maschio O-Ring Boss (ORB) con O-ring giunto
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