What Is A Diaphragm

What Is A Diaphragm

Rubber diaphragm is used for rubber pump items.

Product Details

what is a diaphragm


Yiho Polytek Co.,Ltd is located in Xiamen City. We are also a proud member of the China Pressure Gauge Association.

With more than 15 years experience,our company specialized in the rubber Pump Pressure parts and other OEM rubber instruments. we have a strong network that allows us the ability to design and customize. We currently exported over 30 different styles of instruments for various industries that include the oil exploration, chemical industry, chemical fiber industry, iron and steel industry, metallurgical industry, power generation plants, scientific research and so on.we never stop upgrading our technology. We are continually developing new products to meet the more customers' need.


Company Name 

                          what is a diaphragm               


Industrial Molded  Compression Silicon Rubber diaphragm



FKM/VITON/NBR//NR/HNBR/EPDM/CR,and other rubber material


Black in common or customized as your needs


normal, high and low temperature type

Tempreture Range

deg. -25-85  /-25-230  /-40-80

Working Pressure



Between15~90 shore A 

Minimum Order



high/low temperature resistance,oil and fuel resistance,weathering resistance,Ozone resistance etc.




electronic field ,industrial machine& equipment,house-hold appliance,tele- communication, automobile ,medical equipment industry etc.

Performance requirement

According to customer's requirements (eg. Tensile strength, elongation, compression set, high temperature resistance, low temperature resistance, ozone resistance... )




We have our own mold center, can develop most kinds of high tech required molds.



1. Q: Are you trading company or manufacturer ?

A: We are manufacturer with more than 15 years experience of mass rubber diaphragm productions.


2. Q: How long is your delivery time?

A: According to the difficulty and quantity of product processing,a reasonable arrival time will be given to you.


3. Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.


4. Q: What are the after-sale services?

A: In case of quality problems, the package can be exchanged within 90 days.

Having been engaged in manufacturing various quality rubber products since 1994, Yiho Polytek is now well-known as one of the leading manufacturers of what is a diaphragm in China. If you are going to buy durable and flexible what is a diaphragm, please feel free to contact our factory, which can also offer you customized service.

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