Products Description
- This stainless steel 316 threaded union is a high-quality pipe fitting designed for secure and convenient connection in piping systems. Featuring a three-piece union structure, it allows easy installation, removal, and maintenance without rotating the pipes. Manufactured from premium SS316 material, it offers excellent corrosion resistance, durability, and long service life, even in demanding environments.
- The precision-machined female threads (such as NPT/BSP options) ensure tight sealing performance, making it suitable for high-pressure and leak-proof applications. Its hexagonal body design allows for easy tightening with standard tools.
Products Specification
|
Type |
Threaded union |
Standard |
ASTM B16.11 |
|
Body Material |
Carbon steel, stainless steel, alloy steel, super duplex steel, nickel-based alloys, etc. |
Warranty |
1 year |
|
Type of Connection |
Female/Male thread |
Pressure |
3000LB |
|
Thread |
NPT/BSPP/BSPT |
Size |
1/8''-3'' |
|
Certificate |
ISO 9001 |
Manufacturing |
Forging |
|
Media |
Liquid,Gas,Steam,Oil |
Manufacturing Capacity |
4000pcs/month |
Products Drawings
| MSS SP-83 Dimensions are in millimeters |
| Pipe Size | Pipe End (Min) A |
Wall (Min) C |
Water Way Bore D⑴ |
Male Flange (Min) F |
Nut (Min) G |
Thrds.Per25.4mm H |
Bearing (Min) J |
Length Assem. Nom. L |
Clear Assem. Nut. N |
| 3000LB | |||||||||
| 1/8 | 14.7 | 2.41 | 8.43 6.43 |
3.18 | 3.18 | 16 | 1.24 | 41.4 | 50.8 |
| 1/4 | 19.0 | 3.02 | 11.13 9.45 |
3.18 | 3.18 | 16 | 1.24 | 41.4 | 50.8 |
| 3/8 | 22.9 | 3.20 | 14.27 13.51 |
3.43 | 3.43 | 14 | 1.37 | 46.0 | 55.9 |
| 1/2 | 27.7 | 3.73 | 17.86 17.07 |
3.68 | 3.68 | 14 | 1.50 | 49.0 | 58.4 |
| 3/4 | 33.5 | 3.91 | 23.01 21.39 |
4.06 | 4.06 | 11 | 1.68 | 56.9 | 66.0 |
| 1 | 41.4 | 4.55 | 28.98 27.74 |
4.57 | 4.45 | 11 | 1.85 | 62.0 | 78.7 |
| 1.1/4 | 50.5 | 4.85 | 37.69 35.36 |
5.33 | 5.21 | 10 | 2.13 | 71.1 | 94.0 |
| 1.1/2 | 57.2 | 5.08 | 43.54 41.20 |
5.84 | 5.59 | 10 | 2.31 | 76.5 | 111.8 |
| 2 | 70.1 | 5.54 | 55.58 52.12 |
6.60 | 6.35 | 10 | 2.69 | 86.1 | 132.1 |
| 2.1/2 | 85.3 | 7.01 | 66.27 64.31 |
7.49 | 7.11 | 8 | 3.07 | 102.4 | 149.9 |
| 3 | 102.4 | 7.62 | 82.55 77.27 |
8.26 | 8.00 | 8 | 3.53 | 109.0 | 175.3 |
| 6000LB | |||||||||
| 1/8 | 16.5 | 3.15 | 8.43 3.20 |
3.18 | 3.18 | 16 | 1.24 | 41.4 | 50.8 |
| 1/4 | 21.1 | 3.68 | 11.13 5.59 |
3.43 | 3.43 | 14 | 1.37 | 46.0 | 55.9 |
| 3/8 | 25.1 | 4.01 | 14.27 8.36 |
3.68 | 3.68 | 14 | 1.50 | 49.0 | 58.4 |
| 1/2 | 31.0 | 4.78 | 17.86 11.02 |
4.06 | 4.06 | 11 | 1.68 | 56.9 | 66.0 |
| 3/4 | 37.8 | 5.56 | 23.01 14.78 |
4.57 | 4.45 | 11 | 1.85 | 62.0 | 78.7 |
| 1 | 46.2 | 6.35 | 28.98 19.94 |
5.33 | 5.21 | 10 | 2.13 | 71.1 | 94.0 |
| 1.1/4 | 54.9 | 6.35 | 37.69 28.70 |
5.84 | 5.59 | 10 | 2.31 | 76.5 | 111.8 |
| 1.1/2 | 62.5 | 7.14 | 43.54 33.22 |
6.60 | 6.35 | 10 | 2.69 | 86.1 | 132.1 |
| 2 | 77.7 | 8.74 | 55.58 42.09 |
7.49 | 7.11 | 8 | 3.07 | 102.4 | 149.9 |
| 2.1/2 | 92.2 | 9.53 | 66.27 53.21 |
8.26 | 8.00 | 8 | 3.53 | 109.0 | 175.3 |
| 3 | 111.3 | 11.13 | 82.55 65.89 |
10.19 | 10.19 | 8 | 4.06 | 158⑵ | 200.7 |
Products Features
- Premium Stainless Steel: Offers excellent corrosion and oxidation resistance, ideal for harsh environments.
- Multiple Pressure Ratings: Available in 2000LB / 3000LB / 6000LB / 9000LB to match your system requirements.
- Forged Construction: High-temperature forging eliminates internal defects, delivering superior strength and impact resistance compared to cast fittings.
- Precision Threading: CNC-machined threads ensure tight, leak-proof connections with standard threaded pipes.
- Product standards:ASME 16.11, GB/T14383-2018,BS-3799 Meets global industrial standards for safety and performance.
- Low Maintenance: Smooth, non-porous surface is easy to clean and resistant to build up.
- Manufacturing process: Feeding → Re-inspection → Cutting → Heating → Forging → Heat treatment → Edge trimming → Shot blasting → Drilling → Machining → Marking → Inspection → Packaging → Shipping
Products Applications
- Oil & Gas
- Chemical & Petrochemical
- Food & Beverage Processing
- Pharmaceutical Manufacturing
- Water Treatment & Desalination
- Power Generation
- Marine & Offshore
- Industrial Plumbing & HVAC
Our Service
1. 12 months warranty:
● Great quality products
● We stand behind the quality of our products 100%
● All of our items come with a warranty to give you a peace of mind.
● New Guaranteed: All of our items are in new condition in OEM or Original packing.
2. Accept All Payment Methods:
● We usually accept T/T (wire transfer), Western Union, or Paypal.
● Trade Currency: USD or RMB.
● Payment TT 30% deposit in advance, 70% balance paid before shipment.
● (Sample order) T/T / Western union 100% at sight.
3. Strong Package:
Our package method is in perfect condition, or according customized.
4. Fast delivery:
● Shipment term: CIF/CFR/FOB Ningbo/Shanghai China, China.
● Shipment date: shortly if in stocks, 7-20 days after receiving the deposit if bulk orders.
● Shipment way: we will ship your items by sea, by air, or by express (DHL, UPS, FedEx, TNT, EMS).
5. After-sales service:
● Terrific After-Sales Service: 24 Hours Around The Clock And 12 Months Warranty.
● Life-Long Maintenance Service For The Products.
Why Choose Us
1.Stable quality with strict inspection standards
2.Rich experience in industrial valve supply
3.OEM & customized solutions available
4.Fast delivery and reliable service
FAQ
1. Are you a manufacturer or trading company?
We are a professional manufacturer specializing in stainless steel and brass valves and fittings, with strong OEM capability for global markets
2. What is your MOQ?
Standard products: Low MOQ, trial orders supported
Customized products: Depends on design
We support small orders for first cooperation.
3. Can you produce according to drawings or samples?
Yes, we support OEM & custom production.
We can develop molds based on your samples, especially for 1-piece special fittings.
4. What materials do you supply?
Stainless Steel: SS304 / SS316
Brass: HPb59-1 / HPb59-3 /HPb58-3/Lead-free brass
Material test reports (MTC) are available if needed.
5. What is your pressure rating?
Our products are suitable for:
Medium to high pressure applications
Some grease fittings can exceed 10,000 PSI
Exact pressure depends on product type and design.
6. What is your delivery time?
Stock / standard items: 7–15 days
OEM / customized: 20–35 days
Fast production can be arranged for urgent orders.
Stable customers can negotiate better terms.
7. What markets do you mainly export to?
We have rich experience in:
USA
Europe
Middle East
We are familiar with their standards and quality requirements.
8. How do you ensure quality?
100% inspection before shipment
Thread gauge inspection
Pressure / sealing test (if required)
Third-party inspection is acceptable.
9. What thread standards do you support?
NPT (American standard)
BSPT / BSPP (European standard)
We can help confirm thread compatibility.
10. What is your packaging?
Standard export cartons + pallets
Anti-rust protection
Custom packaging & logo marking available.
11. Can you offer competitive pricing?
Yes - we offer very competitive pricing under same quality level, especially for long-term cooperation.
Hot Tags: Factory Direct Stainless Steel 316 Threaded Union Screwed Pipe Fitting For Water Oil Gas Plumbing System,Forged Pipe Fittings
