Heat Exchanger Sealing Gasket
There are several key reasons why the gaskets in a plate heat
exchanger (PHE) need to be changed or replaced periodically:
Wear and Deterioration:
Over time, the gaskets can experience wear, fatigue, and
deterioration due to exposure to high temperatures, chemicals, and
mechanical stress.
This can lead to compromised sealing performance, increasing the
risk of leaks and cross-contamination.
Regulatory Compliance:
In many industries, especially food and beverage, pharmaceutical,
and chemical processing, there are strict regulations and standards
that require the use of food-grade, hygienic gasket materials.
Routine gasket replacement ensures the PHE remains compliant with
these regulations.
Process Changes:
If the process conditions, such as temperature, pressure, or
chemical composition, are modified, the existing gaskets may no
longer be suitable and may need to be replaced with more
appropriate materials.
Maintenance and Cleaning:
Periodic disassembly and cleaning of the PHE may require the
gaskets to be replaced to ensure proper sealing after reassembly.
This helps maintain the overall cleanliness and hygiene of the heat
exchanger.
Preventive Maintenance:
Many manufacturers recommend regular, scheduled gasket replacement
as part of a preventive maintenance program.
This proactive approach helps avoid unexpected failures and ensures
the continued reliable operation of the PHE.
Upgrade or Retrofit:
When upgrading or retrofitting a PHE with new plates or components,
the gaskets may need to be replaced to ensure compatibility and
proper sealing.
By regularly replacing the gaskets in a PHE, operators can maintain
the integrity of the heat transfer process, prevent leaks and
contamination, extend the equipment's service life, and ensure
compliance with relevant industry standards and regulations.
The sealing gaskets in heat exchangers are mainly made of rubber,
graphite, plastic and other materials. Sealing gaskets made of
these materials play a sealing role in the heat exchanger,
preventing media leakage and ensuring the normal operation of the
equipment.
When selecting the sealing gasket material in a heat exchanger, you
need to consider the following points:
1. Working conditions: Select the appropriate sealing gasket material according to the
operating temperature, pressure and medium characteristics of the
heat exchanger to ensure that it can have good sealing performance
under specific working conditions.
2. Corrosion resistance: Select a sealing gasket material with good corrosion resistance
according to the chemical properties of the medium to prevent
corrosion damage to the sealing gasket by the medium.
3. Sealing performance: Choose a sealing gasket material with good elasticity and sealing
performance to ensure that it can effectively fill gaps and prevent
leakage.
4. Service life: Consider the wear resistance and aging resistance of the sealing
gasket material, choose a material with a longer service life, and
reduce the frequency of replacement.
Taking the above factors into consideration, select the appropriate
sealing gasket material according to specific working conditions
and requirements to ensure the safe operation and long-term
stability of the heat exchanger.
The main materials of rubber pads include the following rubber,
graphite, plastic, etc.
Rubber: The rubber gasket has good elasticity and sealing properties,
which can effectively prevent medium leakage and ensure the normal
operation of the heat exchanger.
Graphite: Graphite rubber pad has the characteristics of high temperature
resistance and corrosion resistance. It is suitable for high
temperature and high pressure environments. It can effectively
prevent medium leakage and extend the service life of the heat
exchanger.
Plastic: Plastic gaskets are mainly used in occasions with special
requirements, such as high media requirements. They can provide
good corrosion resistance and ensure the safe operation of the heat
exchanger.
| Brand/Maker | Model |
| Vicarb | V4,V8,VU8,V13,V20,V28,V45,V60 |
| Item | plate heat exchanger gasket model list |
| Brand | Victory |
| Material | NBR HNBR EPDM HEPDM VITON FKM Silicone/CR/Neoprene |
| MOQ | 1 set |
| Package | carton |
| Warranty | one year |
| OEM | Supply |
| Material | applicable temp℃ fluid |
Application
| Material | Operating Temperature Range | Usage conditions |
| Nitrile Gaskets | ≤135℃ | Resistant to mineral, animal, vegetable oil and other non-polar
media |
| Hydrogenated Nitrile Gaskets | -5℃-150℃ | Resistant to sulfur-containing crude oil, H2S-containing mixed
media, high-temperature edible oil and other non-polar media |
| EPDM Gaskets | ≤160℃ | Resistant to hot water, water vapor, edible beverages, and
high-temperature sterilization of milk |
| Solvent-based EPR Gaskets | -20℃-150℃ | Polar solvents and many other good solvents, such as lipid
solvents. Dilute inorganic acids, alkalis, etc. |
| Universal Viton Gaskets | ≤180℃ | Non-polar mineral oil, lubricating oil and other alcohol-containing
fuels |
| Special Fluorine Rubber Gaskets | 30℃-130℃ | Inorganic oxygen-containing acids such as high-concentration acids
and bases |
Q&A
Q1: Does the gaskets product come with a warranty?
A1: Gasket are consumable accessories, and the replacement cycle is
generally determined according to the specific conditions of use by
the customer. It is related to the use environment, medium,
temperature, etc. Usually we recommend purchasing more for
replacement and backup purposes.
Q2: Is there a discount available for wholesale or bulk purchases?
Answer: Yes, we offer discounts for wholesale and bulk purchases.
If you are interested in purchasing a large quantity of items or
engaging in wholesale business, please contact our wholesale
department or customer service team for information regarding
wholesale discounts and minimum purchase quantities.
