Silicone Sanitary Gasket

Silicone Sanitary Gasket
Details:
Material: Silicone (Platinum-cured / Food-grade silicone available)
Hardness: 40–80 Shore A
Temperature Range: –60°C to +200°C
Standards: Tri-Clamp / 3A / DIN / ANSI Sanitary Standards
Size: OD × ID × Thickness (all standard sanitary gasket sizes available)
Colors: White / Transparent / Red (custom colors available)
Certifications: ISO 9001, FDA, RoHS, REACH, ASTM D2000
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Description
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High-Purity Hygienic Sealing Solution

 

Silicone sanitary gaskets are widely used in food, dairy, beverage, biotechnology, and pharmaceutical processing systems where hygiene, temperature stability, and material purity are critical. Made from high-quality food-grade silicone, these gaskets provide an excellent sanitary seal for Tri-Clamp fittings and ensure product safety in demanding hygienic applications.

 

2. Product Overview

 

Silicone offers exceptional flexibility, high-temperature resistance, and superior cleanliness, making it the preferred choice for hygienic pipelines. Its smooth, non-stick surface prevents bacterial buildup and supports frequent CIP/SIP cleaning cycles without degradation.

 

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3. Features & Advantages

 

3.1 Hygienic sealing performance:

  • Ensures leak-free connections for sanitary clamps and fittings.
  •  

3.2 High-temperature resistance:

  • Stable from –60°C to +200°C, suitable for both hot and cold processing lines.
  •  

3.3 Excellent elasticity:

  • Maintains compression and recovery over long-term use.
  •  

3.4 Chemical resistance:

  • Compatible with food-grade cleaning agents, alcohols, and weak acids.

 

3.5 Non-toxic & food-safe:

     Fully compliant with FDA and food-contact standards.

 

3.6 Smooth, easy-to-clean surface:

     Resists microbial growth and prevents contamination.

 

4. Specifications

4.1 Technical Parameters

Property

Unit

Test Method

Test Parameter

Value

Hardness

Shore A

ASTM D2240

-

40–80

Tensile Strength

MPa

ASTM D412

-

≥7

Elongation

%

ASTM D412

-

≥300

Compression Set

%

ASTM D395 B

22h / 175°C

Excellent

Temperature Range

°C

-

-

–60°C to +200°C

 

4.2 Available Sizes(Standard Tri-Clamp)

Gasket Size

OD of Gasket (inch)

ID of Gasket (inch)

1/2″

0.992

0.370

3/4″

0.992

0.620

1″

1.984

0.870

1 1/2″

1.984

1.370

2″

2.516

1.870

2 1/2″

3.047

2.370

3″

3.579

2.870

4″

4.682

3.834

6″

6.562

5.782

8″

8.602

7.782

10″

10.570

9.782

12″

12.570

11.760

All custom sanitary sizes are available.

 

5. Advantages

  1. High mechanical strength with flexible sealing performance
  2. Stable sealing under low or high torque
  3. Excellent pressure & vacuum resistance
  4. Prevents extrusion in high-flow sanitary piping
  5. Fully compliant with food & pharmaceutical-grade requirements
  6. Suitable for repeated CIP/SIP cycles

 

6. Applications

6.1 Food & Beverage Processing

  • Dairy pipelines
  • Beverage production lines
  • Brewing equipment

6.2 Pharmaceutical & Biotechnology

  • Sterile transfer systems
  • Bioreactors
  • Purified water piping

6.3 Cosmetics & Personal Care

  • Mixing & blending pipelines
  • High-viscosity fluid transport

6.4 General Sanitary Equipment

  • Tri-clamp joints
  • Pumps & valves
  • High-pressure sanitary tubing

 

7. Packaging & Shipping

 

7.1📦 Packaging Options

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Standard Packaging:

Sealed PE bags

Inner cartons with protective layers

Pallet packing for bulk shipment

 

Custom Packaging (Available on request):

Small pouch / small bag packing

Individual heat-sealed plastic bag with cardboard backing

Individual bubble-wrap protection

Light-proof black packaging

Customized labeling or barcodes

 

7.2🚚 Shipping Methods

DHL / FedEx / UPS express

Air freight for urgent orders

Sea freight for bulk orders

FOB / CIF / DDP trade terms available

 

8. Why Choose Us

  • 20+ years of manufacturing experience
  • Strict sanitary material control
  • 36 advanced production lines
  • Exported to 68+ countries
  • Fast delivery and full customization available
 

Certification

 

Our gaskets comply with major international standards, including:
ISO 9001, ASTM D2000, FDA, NSF, WRAS, RoHS, REACH, CE, UL.

All materials are fully tested for physical, chemical, and hygienic performance to ensure long-term reliability in sanitary and industrial systems.

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Contact US:

Xiamen Best Seal Imp and Exp Co.,Ltd

Tel: +86-592-5782315

Mob: +8618950159396

Email: yunying2@bestsealhk.com

Add: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, China

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