PEEK Valve
PEEK Valve


Why PEEK is used on analytical instruments instead of stainless steel components?
Polymer valves are used in a number of industrial applications. At JUNHUA® PEEK, parts are
available in a range of dimensions and profiles, all customizable based on client
requirements and OEM drawings.
Parts are CNC machined to tolerances of up to +/- 0.02mm – which is in line with
best-in-class global tolerance norms.
Our parts go through a rigorous inspection process, including raw material inspection,
in-process inspection, and final inspection. All parts are assigned batch numbers with full
traceability to the raw material and process parameters.
For high volume parts, special inspection gauges and fixtures are employed to ensure 100%
inspection before dispatch.
Products

PEEK ball valve seal

2 ball valve PEEK seat

PEEK valve seat
What is PEEK?
PEEK and its modified composite materials show excellent performance under high temperature and high humidity conditions. PEEK have excellent chemical corrosion resistance, self-lubricating, and wear-resistant properties, so it has become the most ideal material to replace copper alloys and ordinary rubber. Compared with them, PEEK has longer service life which can reduce equipment operating costs, improve equipment operating reliability.


High Temperature Performance
PEEK's performance can remain stable in the temperature range from -196°C to 260°C. Under extreme working conditions, it can withstand 300"C for a short time. The performance of PEEK is still reliable even in high temperatures of several kilometers underground work environment.

High Strength and Wear Resistance
Compared with other plastics, PEEK is resistant to compression, impact and also have good fatigue resistance. PEEK is durable in mechanical equipment and wear-resistant environments.

Double the Service Life
PEEK sealing solutions can improve the part service life. Some domestic chemical companies use the PEEK5600FE20 polytetrafluoroethylene modified material designed by JUNHUA PEEK to replace the original material, the service life of the wear parts can even be extended by 1.3-3 times.

Corrosion Resistance
PEEK is chemically inert, and has no reaction to most acids, oils, greases and all other organic and inorganic solvents or enzymes, and can still maintain good strength and dimensional stability.

Self-lubricating
PEEK has low friction coefficient, low running resistance, can be used without oil in some working conditions. The equipment is cleaner, thus improving process reliability, improving energy efficiency and saving costs.

More dom in Design
Injection molds can be used for rapid injection molding of large quantities of complex special-shaped parts, and the cost is low compared to machining.
PEEK Material and Types of it's Modification

PEEK5600G (unfilled PEEK or natural PEEK)
PEEK5600G is one of unfilled or natural PEEK.Outstanding chemical resistance and a high operating temperature (up to 250℃/480F) round out PEEK profile.PEEK5600G has excellent dimensional stability combined with high creep stability, ensuring the suitability of PEEK for the most sophisticated machined parts.

PEEK5600GF30 ( 30% glass fiber filled PEEK)
Compared with unfilled PEEK(PEEK5600G),this 30% glass fiber reinforced PEEK material(PEEK5600GF30) exhibits increased mechanical strength and high rigidity.Plus, improved creep strength and dimensional stability are delivered by the 30% glass fiber filled PEEK.

PEEK5600CF30 (30% carbon fiber filled PEEK)
PEEK5600CF30 is a 30% carbon filled PEEK material that is manufactured by JUNHUA PEEK. Its carbon fiber reinforcement supports the material a high level of rigidity. Carbon fiber reinforced PEEK demonstrates very high mechanical strength values.

PEEK5600LF30( HPV PEEK or bearing grade PEEK)
PEEK5600LF30 black is developed especially for bearing and sliding applications. HPV PEEK is based on a PEEK polymer that has been modified with 10% each of PTFE, graphite and carbon fibres. It combines the properties of a high-grade matrix material with special, wear-improving additives.
Explore Our PEEK-type Instruments
Explore Our PEEK-type Instruments

Our High purity, corrosion resistant and low dissolution PEEK material has been widely used
in analytical chromatography equipment, preparative and semi-preparative chromatography
equipment, protein purification equipment, IVD equipment, sample pretreatment equipment,
pharmaceutical and environmental monitoring equipment and other related equipment.
More then 1000+ related products manufactured by JUNHUA® PEEK are well recognized and
selected by our clients of analytical instrument.
Typical product: PEEK Fitting, PEEK Union, PEEK Connector, PEEK plug, PEEK Chromatographic
column, PEEK filtering column, PEEK digesting vessel, PEEK tubing, PEEK sampling
needle...more details please check below our brochure.
Contact Us
PEEK-type Instruments Case Study
PEEK-type Instruments Case Study
It is that not only these components must be chemically resistant, but also be made of
ultra-pure material to ensure that it does not affect the analytical results, PEEK have all
these excellent material proprties. In addition, the high abrasion resistance of peek
prevents deformation or breakage of the components, making them more durable and
cost-efficient.
JUNHUA® PEEK enables high-precision injection moulded and CNS parts metering with minimum
pressure loss, and precision moulding and durability in applications such as ultra-high
pressure liquid chromatography, deliver fabrication and end-use efficiencies in laboratory
analytical equipment.
Service
JunHua HPP offers one-stop PEEK solutions from design to after-sales, ensuring quality, innovation, and customer satisfaction.
Design and processing
Junhua offers injection molding, machining, and extrusion solutions to optimize design and cost.
Material selection
Junhua specializes in PEEK with multiple grades and recommends the best engineering plastics for your needs.
Measurement
Junhua uses high-precision instruments to provide customers with accurate drawings.
Sampling
Junhua supplies samples for testing and refines designs until approval for mass production.
Mass Production
Junhua controls raw materials, processes, and inspections to ensure consistent product quality.
Quality Control
Junhua follows ISO9001 standards and provides full inspection reports as required.
Improve
Junhua continuously optimizes designs and processes through improvement systems and case experience.
After-sales Service
Junhua offers complete after-sales support to resolve technical issues and protect customer interests.
About Us
Junhua was founded in 2007 and specializes in the development, production, and sale of high-performance engineering plastics, particularly PEEK, PI, PPSU, and other special polymers. The company has a modern factory occupying 15,000+ square meters , with 40+ extrusion lines ,Complete injection molding and CNC processing equipment, with an annual production capacity of over.
We have obtained multiple international certifications such as AS9100D (Aerospace), ISO9001, IATF1649 (Automotive), ISO13485 (Medical Devices), FDA, RoHS, REACH, SGS , and our products are fully traceable . Our customers cover multiple high-threshold industries in over 60 countries and regions , including aerospace, medical, semiconductor, electronics, food, and new energy vehicles. We are committed to becoming a global leader in PEEK solutions.
12 Patents for Invention
27 Utility Model Patents
15,000+㎡ Factory
40+ Extrusion Lines + Cleanroom
60+ Countries
30000+ Global Customers | 3 Billion+ Sales
500+ Team Members
18+ Years of Experience | 40+ Global Employees
Multiple International Certifications
AS9100D / ISO13485 / IATF16949 etc.
1000+ Global Partners
Serve 60+ Countries
Product Processing and Quality Control Capability
Product Processing and Quality Control Capability

Cool Jet dry ice deburring equipment lmprove the quality of machined parts
- Non-dastuntive cleanina;
- Improve product quality and reduce-scrap rate;
- No manual removal of burrs and Haps;
- No secondary waste;
- Faster and more uniform removal of bums and flaps.

100,000-level cleaning workshop
Our company has established a 280-square-meter, 100,000-level cleaning workshop and equipped with 100-level cleaning area accordance with GMP requirements.