Dairy Gasket
What are Dairy Gaskets?
A Dairy Gasket is a sanitary sealing component used to create leak-proof joints between piping components in hygienic systems. It’s placed between fittings like ferrules and dairy nuts to ensure a tight seal under varying temperature and pressure. Dairy gaskets are vital in food, beverage, dairy, and pharmaceutical industries where contamination-free processing is essential.
Asaid Steel Industries is a trusted Dairy Gasket supplier, offering durable and hygienically safe sealing solutions trusted by top dairy and food processing facilities.
Key Features
Leak-Proof
Jointing
Sanitary
Design
Hygienic
Sealing
Standards
Compliant
Corrosion
Resistant
Specifications
| Specification Category | Parameter / Feature | Details / Options |
|---|---|---|
| Size Range | Nominal Pipe Size (NPS) | ¼” to 12” (DN8 – DN300) |
| Pressure Ratings | ANSI / ASME Class | Class 150, 300 (standard sanitary rating) |
| PN Ratings | PN Ratings | PN6, PN10, PN16, PN25 |
| Fitting Types | Dairy Gasket Types | Tri-Clover Clamp Gasket, EPDM Gasket, PTFE Gasket, Silicone Gasket |
| Material Options | Elastomer / Polymer | EPDM, NBR, Silicone, Viton (FKM), PTFE |
| Metal / Composite | Stainless Steel Reinforced PTFE, Graphite Insert | |
| Standards & Certifications | ASME / ANSI | ASME BPE, ASME B16.20, 3A Sanitary Standards |
| ASTM | ASTM F37, ASTM F38 (gasket testing & material standards) | |
| European Standards | EN 1514, EN 1591 (flange & gasket compatibility) | |
| Certifications | ISO 9001, 3A Sanitary Standards, FDA Compliant, NSF | |
| Design Features | Seal Type | Flat Face (FF), Raised Face (RF), Tri-Clover Clamp Compatible |
| Tolerance | ±0.05 mm (thickness), ±0.1 mm (OD/ID) | |
| Coating & Surface Finish | Anti-Corrosion / Compatibility | Food-grade, Non-reactive, CIP (Clean-in-Place) compatible |
| Optional Coatings | PTFE Coated, Graphite Reinforced | |
| Testing & Inspection | Pressure Testing | Hydrostatic, Pneumatic |
| Non-Destructive Testing | Compression Set Test, Hardness Test | |
| Destructive Testing | Tensile, Tear, Compression, Hardness | |
| Hygienic Features | Cleanability | CIP / SIP compatible, crevice-free design |
| Temperature Range | -40°C to 200°C (material-dependent) | |
| Chemical Resistance | Compatible with milk, dairy liquids, cleaning agents |
Dimensions
| Nominal Size (NPS) | Outer Diameter (OD) (mm) | Inner Diameter (ID) (mm) | Thickness (mm) | Typical Clamp Size (mm) | End Connection Type |
|---|---|---|---|---|---|
| ¼” | 19 | 12.7 | 2.0 | ¼” | Tri-Clover Clamp |
| ½” | 27 | 21.3 | 2.0 – 2.5 | ½” | Tri-Clover Clamp |
| ¾” | 34 | 26.7 | 2.0 – 2.5 | ¾” | Tri-Clover Clamp |
| 1” | 41 | 33.4 | 2.0 – 2.5 | 1” | Tri-Clover Clamp |
| 1½” | 55 | 48.3 | 2.5 – 3.0 | 1½” | Tri-Clover Clamp |
| 2” | 67 | 60.3 | 2.5 – 3.0 | 2” | Tri-Clover Clamp |
| 2½” | 80 | 73.0 | 3.0 | 2½” | Tri-Clover Clamp |
| 3” | 95 | 88.9 | 3.0 | 3” | Tri-Clover Clamp |
| 4” | 121 | 114.3 | 3.0 – 3.5 | 4” | Tri-Clover Clamp |
| 6” | 168 | 159 | 3.5 – 4.0 | 6” | Tri-Clover Clamp |
| 8” | 219 | 203 | 4.0 – 4.5 | 8” | Tri-Clover Clamp |
| 10” | 273 | 254 | 4.5 – 5.0 | 10” | Tri-Clover Clamp |
| 12” | 324 | 304.8 | 5.0 – 5.5 | 12” | Tri-Clover Clamp |
Mechanical Properties
| Property | Value | Unit / Standard |
|---|---|---|
| Tensile Strength | 10 – 25 | MPa (depending on material: EPDM, NBR, Silicone, PTFE) |
| Yield Strength | 5 – 15 | MPa |
| Hardness | 40 – 90 | Shore A / D (material-dependent) |
| Elongation | 200 – 600 | % |
| Density | 0.9 – 2.2 | g/cm³ |
| Compression Set | ≤ 25 | % (24 hrs @ 70°C) |
| Impact Toughness | Not Applicable | – |
| Modulus of Elasticity (E) | 5 – 50 | MPa |
| Fatigue Strength | Material-dependent | – |
| Corrosion / Chemical Resistance | Excellent | Compatible with milk, dairy liquids, CIP/SIP cleaning solutions |
| Thermal Conductivity | 0.15 – 0.5 | W/m·K |
| Coefficient of Thermal Expansion | 50 – 250 ×10⁻⁶ | /°C (material-dependent) |
| Yield Ratio (YS/UTS) | 0.3 – 0.6 | – |
| Poisson’s Ratio | 0.35 – 0.45 | – |
| Surface Finish | Smooth, Non-porous, CIP/SIP compatible | – |
| Operating Temperature Range | -40 to 200 | °C (material-dependent) |
| Pressure Rating | Up to 150 psi | Standard sanitary rating |
| Chemical Compatibility | Excellent | Dairy liquids, water, CIP/SIP chemicals |
| End Connection Type | Tri-Clover Clamp, Flat Face, Raised Face | – |
Chemical Composition
| Element | SS 304 (%) | SS 304L (%) | SS 316 (%) | SS 316L (%) |
|---|---|---|---|---|
| Carbon (C) | ≤ 0.08 | ≤ 0.03 | ≤ 0.08 | ≤ 0.03 |
| Manganese (Mn) | ≤ 2.00 | ≤ 2.00 | ≤ 2.00 | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 | ≤ 1.00 | ≤ 1.00 | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 | ≤ 0.045 | ≤ 0.045 | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 | ≤ 0.030 | ≤ 0.030 | ≤ 0.030 |
| Chromium (Cr) | 18.0 – 20.0 | 18.0 – 20.0 | 16.0 – 18.0 | 16.0 – 18.0 |
| Nickel (Ni) | 8.0 – 10.5 | 8.0 – 12.0 | 10.0 – 14.0 | 10.0 – 14.0 |
| Molybdenum (Mo) | — | — | 2.0 – 3.0 | 2.0 – 3.0 |
| Iron (Fe) | Balance | Balance | Balance | Balance |
Applications of Dairy Gasket
Dairy & Milk Processing
Units
Beverage Plants
Pharmaceutical
Food Processing &
Edible Oil Units
Chemical & Enzyme
Production
Dairy R&D and Quality
Testing Labs
Do you have questions?
What is the function of a Dairy Gasket?
Are Dairy Gaskets reusable?
Which standards do Dairy Gaskets follow?
Do Dairy Gaskets handle high temperatures?
