Product Description:
I. Core Material Properties
The material of the pulse valve diaphragm is crucial for its
performance. Dahe pulse valve diaphragms predominantly utilize
elastomer materials. Common types and their characteristics
include:
Advantages: Good oil resistance, suitable for conditions with oil
mist; moderate elasticity and low cost.
Limitations: General temperature resistance (-20℃ to 120℃), weak
ozone aging resistance.
Advantages: Excellent high and low temperature resistance (-20℃ to
above 200℃), strong resistance to chemical corrosion, ozone, and
aging. Suitable for high-temperature and corrosive working
conditions.
Limitations: Higher cost, slightly lower elasticity than nitrile
rubber.
Advantages: Good weather and ozone resistance, resistant to water
vapor and weak acid corrosion. Applicable to a wide temperature
range (-40℃ to 150℃).
Limitations: Poor oil resistance, not suitable for oil-containing
environments.
- Nitrile Butadiene Rubber (NBR):
- Fluoroelastomer (FKM):
- Ethylene Propylene Diene Monomer (EPDM):
Some high-end models may incorporate composite materials (e.g.,
rubber combined with fabric skeleton) to enhance tear resistance
and strength.
II. Physical and Mechanical Properties
Elasticity and Resilience: The diaphragm requires high elasticity and resilience to open and
close quickly under high-frequency pulse airflow.
Tensile Strength and Tear Strength: Essential for withstanding tensile forces and preventing rupture
or damage.
Hardness: Materials with Shore hardness of 60-80A are typically used to
balance sealing effectiveness and response speed.
Temperature Resistance: Matching the material to the working temperature is vital for
optimal functionality.
III. Working Characteristics
Sealing Performance: Precise processing of the fitting surface ensures complete sealing
to prevent air leakage and maintain efficiency.
Response Speed: Quick opening and closing are necessary for efficient air flow and
minimal jet time.
Medium Resistance: Resistance to moisture, oil stains, and dust particles is crucial
for long-term durability and performance.
Technical Parameters:
| Conventional nitrile rubber (NBR) | -20 ℃~80 ℃, Suitable For Room Temperature Drying Conditions |
| Working pressure range | 0.4-0.7MPa |
| Color | Red Green Black |
| Brand | TAEHA |
| Diaphragm Material | NBR |
| Fluororubber (FKM) | -20 ℃~200 ℃ (some Models Can Reach 260 ℃), Suitable For High
Temperature And Corrosive Environments (such As Chemical And Waste
Incineration) |
| Model | Pipe Size | Connection | Cv Factor | Weight |
Applications:
Working Condition Adaptation
The material used for diaphragms is selected based on the
temperature of the dust removal system, the type of medium
(oil-containing, corrosive gas, etc.), and the pulse pressure
(usually 0.2~0.6MPa).
For example:
- Corrosive environments such as waste incineration plants and
chemical workshops → fluororubber diaphragms;
- Normal temperature and non-corrosive environments such as wood
processing and grain processing → nitrile rubber diaphragms.
Service Life
Under normal working conditions, high-quality diaphragms can last
for 100,000~300,000 pulse cycles (about 1~3 years), depending on
factors such as material, working temperature, pulse frequency, and
maintenance conditions.
Improper maintenance, such as excessive moisture in compressed air
causing accelerated aging of the diaphragm, can significantly
reduce its service life.
In conclusion, the core properties of Dahe pulse valve diaphragms
include high elasticity, strong sealing, fatigue resistance, and
strong adaptability. The performance of these diaphragms directly
impacts the stable operation of pulse valves and the overall dust
removal system.
When selecting diaphragms, it is essential to consider the
material, size, and mechanical properties in conjunction with the
specific working conditions.
Packing and Shipping:
Product Packaging:
The Pulse Valve Diaphragm is carefully packaged to ensure its safe
delivery. It is wrapped in protective material to prevent any
damage during transit. The product is then placed in a sturdy
cardboard box with appropriate cushioning to minimize the risk of
breakage.
Shipping:
Once the Pulse Valve Diaphragm is securely packaged, it is ready
for shipping. We partner with reliable shipping carriers to ensure
timely delivery to our customers. You will receive a tracking
number so you can monitor the progress of your shipment. Our
priority is to get the product to you in the best condition
possible.
