Stainless Steel 304 and 316 Sanitary Pipe Fitting
Our Stainless Steel 304 and 316 Sanitary Pipe Fittings represent the gold standard in hygienic process piping systems for industries where purity, cleanability, and corrosion resistance are non-negotiable requirements. Engineered specifically for food, beverage, pharmaceutical, biotech, and cosmetic applications, these precision-manufactured elbows, tees, and complementary fittings provide seamless fluid transfer while maintaining the highest standards of sanitary integrity.
Manufactured from premium AISI 304 or superior 316/316L stainless steel, these fittings feature polished interior surfaces, crevice-free designs, and standardized connections that prevent bacterial growth and facilitate efficient Clean-in-Place (CIP) and Sterilize-in-Place (SIP) procedures. With multiple connection options including sanitary clamp and orbital butt weld, they offer versatile solutions for both permanent and semi-permanent installations in critical process environments where product contamination must be absolutely prevented.
Data sheet
Dimension of Sanitary Weld Elbow 90 degree -3A (unit:mm)
| SIZE | D | L | R |
| 1/2" | 12.7 | 19.1 | 19.1 |
| 3/4" | 19.1 | 28.5 | 28.5 |
| 1" | 25.4 | 38.1 | 38.1 |
| 1/1/4" | 31.8 | 47.7 | 47.7 |
| 1 1/2" | 38.1 | 57.2 | 57.2 |
| 2" | 50.8 | 76.2 | 76.2 |
| 2 1/2" | 63.5 | 95.3 | 95.3 |
| 3" | 76.2 | 114.3 | 114.3 |
| 4" | 101.6 | 152.4 | 152.4 |
| 6" | 152.4 | 228.6 | 228.6 |
Dimension of Sanitary Weld elbow 90 degree -DIN (Unit:mm)
| SIZE | D | L | R |
| DN10 | 12 | 26 | 26 |
| DN15 | 18 | 35 | 35 |
| DN20 | 22 | 40 | 40 |
| DN25 | 28 | 50 | 50 |
| DN32 | 34 | 55 | 55 |
| DN40 | 40 | 60 | 60 |
| DN50 | 52 | 70 | 70 |
| DN65 | 70 | 80 | 80 |
| DN80 | 85 | 90 | 90 |
| DN100 | 104 | 100 | 100 |
| DN125 | 129 | 187 | 187 |
| DN150 | 154 | 225 | 225 |
| DN200 | 204 | 300 | 300 |
Dimension of Sanitary Weld elbow 90 degree -ISO/IDF (Unit:mm)
| SIZE | D | L | R |
| 12.7 | 12.7 | 19.1 | 19.1 |
| 19 | 19.1 | 28.5 | 28.5 |
| 25 | 25.4 | 33.5 | 33.5 |
| 32 | 31.8 | 38 | 38 |
| 38 | 38.1 | 48.5 | 48.5 |
| 45 | 45 | 57.5 | 57.5 |
| 51 | 50.8 | 60.5 | 60.5 |
| 57 | 57 | 68 | 68 |
| 63 | 63.5 | 83.5 | 83.5 |
| 76 | 76.2 | 88.5 | 88.5 |
| 89 | 89 | 103.5 | 103.5 |
| 102 | 101.6 | 127 | 127 |
| 108 | 108 | 152 | 152 |
| 114.3 | 114.3 | 152 | 152 |
| 133 | 133 | 190 | 190 |
| 159 | 159 | 228.5 | 228.6 |
| 204 | 204 | 300 | 300 |
| 219 | 219 | 305 | 302 |
| 254 | 254 | 372 | 375 |
| 304 | 304 | 450 | 450 |
Dimension of Santitary Weld Elbow-45 degree -3A (unit:mm)
| SIZE | D | L | R |
| 1/2" | 12.7 | 7.9 | 19.1 |
| 3/4" | 19.1 | 11.8 | 28.5 |
| 1" | 25.4 | 15.8 | 38.1 |
| 1 1/4" | 31.8 | 69.7 | 47.7 |
| 1 1/2" | 38.1 | 74.1 | 57.2 |
| 2" | 50.8 | 103.2 | 76.2 |
| 2 1/2" | 63.5 | 131.8 | 95.3 |
| 3" | 76.2 | 160.3 | 114.3 |
| 4" | 101.6 | 211.1 | 152.4 |
Dimension of Santitary Weld Elbow-90 degree -3A (unit:mm)
| SIZE | D | L | R |
| 1/2" | 12.7 | 19.1 | 19.1 |
| 3/4" | 19.1 | 28.5 | 28.5 |
| 1" | 25.4 | 38.1 | 38.1 |
| 1 1/4" | 31.8 | 47.7 | 47.7 |
| 1 1/2" | 38.1 | 57.2 | 57.2 |
| 2" | 50.8 | 76.2 | 76.2 |
| 2 1/2" | 63.5 | 95.3 | 95.3 |
| 3" | 76.2 | 114.3 | 114.3 |
| 4" | 101.6 | 152.4 | 152.4 |
| 6" | 152.4 | 228.6 | 228.6 |
Dimension of Santitary Weld Elbow-45 degree With Straight Ends -SMS(Unit:mm)
| SIZE | D | L | R |
| 25 | 25.4 | 45 | 25 |
| 32 | 31.8 | 53.3 | 32 |
| 38 | 38.1 | 56.7 | 38 |
| 51 | 50.8 | 63.6 | 51 |
| 63 | 63.5 | 80.8 | 63.5 |
| 76 | 76.2 | 82 | 76 |
| 102 | 101.6 | 108.9 | 150 |
CHECKING
Material Excellence & Selection:
Each fitting is crafted from certified 304 (CF8) or 316/316L (CF8M) stainless steel. Grade 304 provides excellent general corrosion resistance for most sanitary applications, while Grade 316 with its 2-3% molybdenum content offers superior protection against chlorides and harsh cleaning chemicals, making it ideal for marine environments and aggressive CIP solutions. All materials are sourced with full traceability and mill certification to ensure compliance with FDA and regulatory requirements.
Precision Manufacturing Process:
Fittings undergo sophisticated manufacturing processes including CNC machining, precision forming, and specialized welding techniques. The manufacturing ensures:
Zero Dead Legs: All internal radii are designed to prevent product entrapment
Smooth Transitions: Seamless flow paths with no abrupt directional changes
Crevice-Free Construction: Eliminates potential bacterial harborage points
Concentric Alignment: Perfect alignment between connected components
Surface Finishing Technology:
Mechanical Polishing: Multi-stage progressive polishing from 180 to 600+ grit
Electropolishing: Electrochemical process that removes surface imperfections and enhances the passive chromium oxide layer
Passivation: Nitric acid treatment per ASTM A967 to maximize corrosion resistance
Final Cleaning: Ultrasonic cleaning in validated cleanroom environments
Connection Systems:
Sanitary Clamp (Tri-Clamp): Standard 1.5" clamp width with polished ferrule ends
Orbital Butt Weld: For permanent, flush internal welds in high-purity systems
Bevel Seat: ISO-style connections with hygienic gasket systems
Quick Disconnect: For frequent assembly/disassembly requirements
Certification
All fittings undergo final cleaning and packaging in ISO Class 7 (10,000) cleanroom environments:
Final Cleaning: Ultrasonic cleaning with high-purity solvents
Passivation: Nitric acid treatment and neutralization
Drying: Forced nitrogen drying to prevent water spots
Bagging: Individual heat-sealing in static-dissipative polyethylene bags
Gas Flushing: Nitrogen purging for oxygen-sensitive applications
Hygienic Packaging Materials:
Primary Packaging: Medical-grade, non-shedding polyethylene bags
Secondary Packaging: Double-walled corrugated boxes with virgin fiber content
Protective Materials: Custom foam inserts and dividers
Identification: Chemical-resistant labels with lot traceability
Shipping & Logistics:
Clean Transport: Dedicated clean shipping containers with humidity control
Temperature Monitoring: Data loggers for temperature-sensitive shipments
Documentation: Complete sanitary documentation package including:
Certificate of Sanitary Conformity
Cleanroom Packaging Certificate
Material Safety Data Sheets (MSDS)
Customs documentation with sanitary classification
Global Distribution Network:
Regional Warehouses: Stocking programs in major pharmaceutical hubs
Expedited Shipping: Air freight with temperature-controlled options
Bulk Shipments: Dedicated container programs with clean loading protocols
Q: Can you accept TPI?
A: Yes, sure. Welcome visit our factory and come here to inspect the goods and inspect production process.
Q: Can you supply Form e, Certificate of origin?
A: Yes, we can supply.
Q: Can you supply invoice and CO with chamber of commerce?
A: Yes, we can supply.
Q: Can you accept L/C deferred 30, 60, 90 days?
A: We can. Please negotiate with sales.
Q: Can you accept O/A payment?
A: We can. Please negotiate with sales.
Q: Can you supply samples?
A: Yes, some samples are free, please check with sales.
Q: Can you supply the products which comply with NACE?
A: Yes, we can.
