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Sanitary Clamp Fitting & Valve Manufacturer
BYZER offers a complete range of Sanitary Valves and Clamp Fittings designed for hygienic applications across industries like food, beverage, pharmaceutical, and biotech. Our products are manufactured in 304/316L stainless steel and designed for easy cleaning, CIP/SIP compatibility, and low surface roughness, making them ideal for FDA, 3-A, EHEDG, and GMP compliant systems.
Sanitary Grade 90° Elbows
90° Sanitary Weld Elbow
90° Sanitary Weld Elbow – Long Type
90° Sanitary Tri-Clamp Elbow
90° Sanitary male tri clamp Elbow
90° Tri-Clamp Hose Barb Elbow
90° Sanitary Seamless Elbow
Sanitary Grade 45° Elbow
45° Sanitary Weld Elbow
45° Sanitary Tri-Clamp Elbow
45° Sanitary Weld Elbow
45° Tri-Clamp Hose Barb Elbow
Sanitary Grade Tee
90° Sanitary Weld Elbow
90° Sanitary Weld Elbow – Long Type
90° Sanitary Tri-Clamp Elbow
90° Sanitary male tri clamp Elbow
90° Tri-Clamp Hose Barb Elbow
90° Sanitary Seamless Elbow
Sanitary Grade Tee
90° Sanitary Weld Elbow
90° Sanitary Weld Elbow – Long Type
90° Sanitary Tri-Clamp Elbow
90° Sanitary male tri clamp Elbow
90° Tri-Clamp Hose Barb Elbow
90° Sanitary Seamless Elbow
Sanitary Valves: Meaning, Surface Finish (SF1–SF6), and Standards (ASME BPE, DIN, 3-A, SMS)
What Are Sanitary Valves and what does it mean?
In hygienic processing, “sanitary” refers to equipment that is specifically engineered to prevent contamination, ensure easy cleaning, and guarantee product purity.
Sanitary valves and fittings are made of 304 or 316L stainless steel, with smooth, polished internal surfaces that prevent bacterial growth. Unlike standard industrial valves, sanitary designs feature:
Low surface roughness (Ra ≤ 0.8 μm or better)
Dead-space-free geometry to avoid product residue
FDA-compliant seals safe for food, beverage, and pharmaceutical contact
Why Do We Need Sanitary Valves & Fittings?
Sanitary components are critical in industries where valves come into direct contact with consumables or sensitive products, such as food & beverage, dairy, pharmaceuticals, and biotech.
Key benefits for procurement managers include:
Product Safety – Prevents microbial contamination and protects end-user health
Regulatory Compliance – Meets FDA, 3-A, EHEDG, GMP, ASME BPE requirements
Operational Efficiency – Fully compatible with CIP (Clean-in-Place) and SIP (Sterilization-in-Place) systems
Durability – Made from corrosion-resistant stainless steel, suitable for aggressive cleaning agents
How Are Valves Made Sanitary?
Producing sanitary-grade valves and fittings requires specialized manufacturing processes:
Material Selection: High-grade 316L stainless steel with low carbon content
Precision CNC Machining: Eliminates burrs and sharp edges
Surface Finishing: Mechanical polishing or electropolishing, achieving ASME BPE surface finish grades (SF1 to SF6)
Hygienic Design: Free of dead angles and crevices where residue can accumulate
Testing & Validation: Leak-tightness, pressure resistance, and sterilization compatibility
| Grade | Description | Ra Value (μm / μin) | Electropolished (EP) |
|---|---|---|---|
| SF1 | Mechanically polished | ≤ 0.51 μm (20 μin) | No |
| SF2 | Mechanically polished | ≤ 0.38 μm (15 μin) | No |
| SF3 | Mechanically polished + Electropolished | ≤ 0.51 μm (20 μin) | Yes |
| SF4 | Mechanically polished + Electropolished | ≤ 0.38 μm (15 μin) | Yes |
| SF5 | Mechanically polished + Electropolished | ≤ 0.25 μm (10 μin) | Yes |
| SF6 | Mechanically polished + Electropolished | ≤ 0.13 μm (5 μin) | Yes |
How to Choose the Right Sanitary Valves & Fittings?
Selecting the right sanitary valve or fitting depends on several factors:
Material: Most sanitary valves and fittings are made from 316L stainless steel for superior resistance to corrosion and cleaning agents.
Connection type: Choose from options like tri-clamp, welding, or threaded connections depending on your system needs.
Valve type: Different valves such as ball valves, butterfly valves, and diaphragm valves are suited for different process requirements.
Connection Types for Sanitary Valves & Fittings
Sanitary process lines use several standardized connection methods. The right choice impacts cleanability, downtime, pressure rating, and interchangeability with existing equipment.
1. Tri-Clamp Connection (also known as Tri-Clover)
What It Is
A Tri-Clamp connection consists of two ferrules, a sanitary gasket, and a clamp that secures them together. When tightened, the clamp compresses the gasket evenly, forming a leak-free, crevice-free joint. This design allows for quick assembly and disassembly without tools, making it the most widely used connection type in hygienic systems.
Why It’s Popular
Tool-free assembly for fast changeovers
Fully cleanable using CIP (Clean-in-Place) and SIP (Sterilization-in-Place)
Ideal for frequent maintenance or product changeovers
Compatible with a wide range of valves, pumps, and tanks
Gasket Materials
Tri-Clamp systems use sanitary-grade gaskets to ensure tight, hygienic sealing:
EPDM – Excellent for steam and hot water; resistant to cleaning chemicals
Silicone – Flexible across wide temperature ranges; ideal for sterilization
FKM (Viton®) – Resistant to oils, solvents, and strong acids
PTFE (Teflon®) – Non-stick surface and excellent chemical resistance
All BYZER gaskets comply with FDA CFR 21 and 3-A Sanitary Standards for food and pharmaceutical contact.
2. Welded Connections (Butt-Weld / Orbital Weld)
What It Is
Welded connections join stainless steel tubes and valves permanently using TIG or orbital welding.
This creates a seamless, crevice-free, and fully drainable joint, ensuring the highest level of hygiene and structural strength.
Advantages
No gasket required — completely leak-proof
Highest hygienic integrity for sterile and high-purity applications
Smooth internal surface ensures full drainability
Compatible with ASME BPE and DIN 11850 standards
Best For
Pharmaceutical water systems (WFI, PW)
Biotech fermentation and vaccine production
Clean steam and high-pressure process lines
Tip: Use welded joints for permanent sterile systems, and combine with Tri-Clamp connections at strategic breakpoints for maintenance flexibility.
3. Threaded Connections (NPT / BSP)
What It Is
Threaded connections use male and female threads to join components. While not as hygienic as Tri-Clamp or welded joints, they are practical for utility lines, instruments, and non-product-contact areas.
Advantages
Easy installation and maintenance
Compatible with standard NPT (U.S.) or BSP (Europe) threads
Ideal for smaller lines or connections that require adjustment
Limitations
Not recommended for product contact lines due to potential crevices in threads
Requires proper sealing materials to prevent leaks
Common Uses
Instrument connections (pressure gauges, sensors)
CIP supply and drain lines
Ancillary utilities such as air, nitrogen, or cooling water
4. Hygienic Unions (DIN, SMS, RJT, IDF)
What They Are
Hygienic unions are standardized connection systems used across different regions and industries.
Each type provides easy disassembly, reliable sealing, and compatibility with existing processing lines.
| Standard | Origin | Main Application | Key Features |
|---|---|---|---|
| DIN 11851 | Germany | Food & Beverage | Threaded nut and gasket; widely used in Europe |
| SMS 3008 | Sweden | Dairy & Food | Robust design with metric tube sizes |
| RJT (BS 4825-4) | UK | Beverage & Brewery | Easy field assembly, inch-based sizing |
| IDF / ISO 2852 | International | Dairy & Global Food | Standardized tri-clamp dimensions for interchangeability |
Advantages
Easy to assemble and disassemble for cleaning
Compatible with regional standards and legacy equipment
Reliable sealing with replaceable gaskets
5. Aseptic Unions (DIN 11864 / 11853)
What It Is
Aseptic unions are advanced hygienic connectors designed for sterile processing.
They feature defined sterile geometry that prevents contact between the product and external atmosphere, making them ideal for pharmaceutical and biotech systems.
Advantages
Highest level of hygiene without welding
Compatible with DIN 11866 tubing
Suitable for validated SIP/CIP operations
Available in welded, clamp, and threaded versions (Forms A/B/C)
Applications
Biopharmaceutical production
Aseptic filling and dosing systems
Sterile media transfer lines
6. Flanged Connections
What It Is
Flanged connections use two flat flanges joined by bolts with a gasket between them.
This design is preferred for large-diameter pipelines or heavy equipment where Tri-Clamp fittings are impractical.
Advantages
Handles high pressure and temperature
Strong mechanical strength for heavy valves and pumps
Easy gasket replacement during maintenance
Common Uses
CIP header manifolds
Pump discharge and suction lines
Large sanitary butterfly or ball valve assemblies
| Connection Type | Hygiene Level | Disassembly Speed | Typical Use |
|---|---|---|---|
| Tri-Clamp | Excellent | Fast | Food & Pharma lines, tanks |
| Welded | Highest | Permanent | Sterile loops, clean steam |
| Threaded | Moderate | Easy | Utility & instrument lines |
| Hygienic Unions | High | Fast | Dairy & beverage systems |
| Aseptic Unions | Highest | Fast | Biotech & pharma systems |
| Flanged | Moderate | Medium | Large diameter pipelines |
Frequently Asked Questions (FAQ)
What is the difference between a sanitary valve and an industrial valve?
Industrial valves are built for pressure and durability, while sanitary valves are engineered for cleanability and purity.
Sanitary valves have:
Smooth, polished surfaces (Ra ≤ 0.8 μm or better)
Hygienic seals that comply with FDA and 3-A Sanitary Standards
Drainable and dead-leg-free flow paths
These features make them suitable for food, beverage, and pharmaceutical applications, unlike general industrial valves.
What are the common standards for sanitary valves and fittings?
Sanitary valves and fittings are manufactured according to international standards such as:
ASME BPE (USA) – Pharmaceutical & Biotech
3-A Sanitary Standards (USA) – Dairy & Food Processing
EHEDG (Europe) – Hygienic equipment design
DIN / SMS / RJT / ISO – Dimensional union standards for fittings
FDA & GMP Compliance – Material and manufacturing quality assurance
These standards ensure global compatibility and regulatory approval.
What surface finish grades are available for sanitary fittings?
Pneumatic Control Valves: S
Surface finish determines the smoothness and cleanability of the internal surface.
According to ASME BPE, common grades include:SF1: Ra ≤ 0.51 μm (20 μin)
SF4: Ra ≤ 0.38 μm (15 μin), electropolished
SF6: Ra ≤ 0.13 μm (5 μin), mirror finish for biotech systems
BYZER offers all grades from SF1 to SF6, depending on customer requirements.
uitable for applications requiring fast response, reliability in hazardous environments, and high force output. Best for process industries such as chemicals, water treatment, and oil & gas.
Electric Control Valves: Ideal for precise control, remote operation, and automation. Commonly used in HVAC, food processing, and power generation.
Self-Operated Control Valves: Best for applications requiring automatic pressure regulation without external power. These valves use the process fluid’s pressure to adjust flow, making them highly reliable for steady-state systems in industries like steam control, gas regulation, and water distribution.
What are the most common sanitary connection types?
The main connection types are:
Tri-Clamp (Tri-Clover): Tool-free, quick-release design for frequent cleaning
Welded: Permanent joints for sterile loops
Hygienic Unions (DIN, SMS, RJT, IDF): Standardized regional fittings
Threaded (NPT/BSP): Utility or instrument connections
Flanged: Heavy-duty and large-diameter applications
Aseptic Unions (DIN 11864 / 11853): For validated sterile systems in pharma/biotech
How do I correctly measure sanitary fittings and Tri-Clamp sizes?
Sanitary fittings are measured by tubing outer diameter (OD), not the gasket or clamp size.
For example, a “1.5″ Tri-Clamp fitting” connects to a tube with 1.5″ OD, but the gasket’s internal diameter is smaller.
Always confirm your standard (ASME BPE, DIN, or 3-A) and check the OD dimension chart before ordering to ensure proper fit.
Which standards apply to sanitary valves and fittings?
The most widely recognized international standards include:
ASME BPE (USA) – Biopharmaceutical equipment design, surface finish, and weld standards.
3-A Sanitary Standards (USA) – Food and dairy hygienic equipment.
EHEDG (Europe) – Hygienic design and cleanability certification.
DIN / SMS / RJT / ISO (Europe) – Dimensional standards for hygienic unions.
FDA & GMP Compliance – Material and manufacturing quality control.
These standards ensure that components are globally compatible and meet regulatory hygiene requirements.
What gasket materials are available, and how do I choose the right one?
Common gasket materials include:
EPDM: Great for hot water and CIP chemicals.
Silicone: Excellent flexibility across wide temperature ranges.
FKM (Viton®): Resistant to oils, solvents, and acids.
PTFE (Teflon®): Best for aggressive or high-purity chemicals.
Choose based on your process media, temperature, and cleaning chemistry. All BYZER gaskets are FDA CFR 21 and 3-A compliant.
What are the most common mistakes when ordering sanitary fittings?
The top ordering mistakes include:
Confusing tubing OD with fitting size (e.g., 1″ vs 1.5″ Tri-Clamp)
Mixing DIN, SMS, and 3-A standards without adapters
Ignoring surface finish requirements (SF1 vs SF4)
Choosing the wrong gasket material for cleaning agents
Avoiding these ensures correct fit, compliance, and reliable operation.
Are sanitary valves compatible with CIP and SIP cleaning systems?
Yes. BYZER sanitary valves and fittings are fully compatible with CIP (Clean-in-Place) and SIP (Sterilization-in-Place) systems.
Their polished surfaces, drainable design, and FDA-approved seals allow for complete internal cleaning without disassembly—essential for pharmaceutical, dairy, and beverage industries.
What should I check when selecting a sanitary valve for food or pharma use?
Before purchasing, verify the following:
Material: 316L stainless steel for superior corrosion resistance.
Certification: ASME BPE, 3-A, or EHEDG compliance.
Surface finish: SF1 or SF4 depending on hygiene level.
Connection type: Tri-Clamp, weld, or aseptic union.
CIP/SIP compatibility and operating temperature range.
BYZER provides consultation to help you select the right configuration for your process.
Can sanitary valves be used outside the food and pharmaceutical industries?
Absolutely. Many water treatment, cosmetics, and fine-chemical facilities use sanitary valves and fittings to achieve low maintenance, long service life, and high cleanliness standards, even where strict food-grade certification is not mandatory.
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