CN
Valve sealing technology full set of solutions
Focus on valves, pumps, petrochemical pressure vessels and reaction kettle seal
mainly high-end sealing products
Seal professional solution provider
Customized, exquisite technology
Strict production quality control.
Trusted seal Service Specialist
With many years of successful experience in sealing industry products, the company strives to provide customers with quality service.
We sincerely look forward to your attention, create brilliant!
Product center
O-ring
Materials: Viton, Viton AED, HNBR, HNBR-AED, Viton GLT, Viton GLT-AED, HNBR-LT, HNBR-LT-AED, AFLAS, FFKM, O-rings, triangular ri..
Coated O-ring
Coated o-ring (O-ring) is a combination of rubber elasticity and sealing with Teflon chemical resistance. It is made of silicone..
X-ring
The Diwei X-ring has a quad split opening design to provide twice as many sealing sections as the standard O-ring.
U-ring
The sealing performance of Dewees sealed U-RING is good, but it is easy to roll when used alone, so it needs to be used together..
V-ring
Diwei sealing V-ring sealing performance is better, according to the size of the working pressure to determine the number of the..
Sealing rubber gasket
The main products of Diwei seal rubber gasket are silicone gasket, nitrile rubber gasket, fluorine rubber gasket, other rubber g..
Rubber seal strip
Diwei Seal has strip rubber seal products production equipment, products are widely used in power systems, automobiles, aircraft..
Plastic seals
Materials involved include: PTFE, modified PTFE, PEEK, modified PEEK, PCTFE, yellow nylon, etc.
Applications mainly include: ..
Pancake ring
The spring accumulator ring is a high performance seal with a corrosion resistant metal accumulator spring inside and an enginee..
Industry application
Since the establishment of the company,
has been a number of well-known manufacturers at home and abroad
Manufacture various sizes of rubber seals, rubber gaskets,
to adapt to different sealed environment applications,
Win the trust of our customers.
Aerospace and defense
Diwei Seals produce rubber seals that meet the needs of the aerosp..
Automobile, train and ship
We design and manufacture high temperature seal products for diese..
Chemical industry
Chemical processing usually requires extremely high pressure to en..
Oil and gas
Exploring for and extracting oil, gas and hydrocarbons is becoming..
semiconductor
Hundreds of chemical processes are required to turn semiconductor ..
Electronic engineering
Consumers have increasingly large requirements for the size of ele..
bio-pharmaceutical
It is challenging for pharmaceutical companies to provide complete..
About Diwei

Suzhou Diwei Sealing Technology Co., Ltd. is a scientific and environmental-friendly enterprise that focuses on R&D, production and sales of high-performance sealing parts and materials for valves, pumps, petrochemical pressure vessels, reactors etc.

Our products include anti-knock O-rings, triangle rings (NORSOK M-710) for high-pressure conditions; anti-corrosion O-rings and triangle rings (NACETMO187 and NACE) for high H2S conditions (TM0296); PTFE and modified PTFE products for a wide range of temperature and press....

Latest news
132023.02
O-ring and other types of sealing ring comparison
Suitable for a variety of seal forms: static sea....
172023.01
The reason of seal failure and the basic principle of industrial seal selection
According to whether there is relative motion between....
272022.12
What problems should be paid attention to in the selection of rubber seals
The selection of rubber seals must consider the ....
212022.11
Friction coefficient of rubber seals
Rubber and plastic materials as seals, often rely&nbs....
About Diwei· Products· Application· Service· Material· News· Contact us
Add：Room 422A, Building 6, No. 25 Lushan Road, High-tech Zone, Suzhou
Email：dwsealing@163.com
Consultation hotline
182-6205-6563

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