Defseals China

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Defseals China A Chinese manufacturer for all kinds of hydraulic seals and pneumatic seals, as well as their semi-products such as tubes of PTFE, PU, Rubbers, PA, PEEK etc...

24/10/2026

Product Highlights
High Compressive Strength: Manufactured with high-strength phenolic resin and woven fabric for durability.
Low Friction Coefficient: Features a sliding friction coefficient of 0.15-0.2 for smooth operation.
High Pressure Resistance: Designed to withstand pressures up to 350 MPa in hydraulic systems.
Fluid Compatibility: Compatible with water-based fluids and phosphate esters.
Customization Options: Offers full customization, minor customization, and flexible options based on samples or designs.

The GSZL Low‑Profile Combination Wiper Seal (Scraper) is an external, single‑acting wiper seal featuring a composite des...
24/10/2026

The GSZL Low‑Profile Combination Wiper Seal (Scraper) is an external, single‑acting wiper seal featuring a composite design consisting of an O‑ring (elastomer) and a PTFE slide ring. It is installed at the outermost end of the cylinder head (gland) in various hydraulic and pneumatic cylinders to scrape away contaminants – such as dust, mud, water, rust, chemical residues, and other debris – that adhere to the piston rod surface during retraction, preventing external impurities from entering the cylinder and protecting the primary seals and the entire hydraulic/pneumatic system from contamination damage.

19/10/2026

👉 Need a customized seal? DM us or drop a comment.

16/10/2026

👉 Need a custom seal? DM us or drop a comment.

The DPR Combination Wiper Seal (Scraper) is an external, single‑acting wiper seal featuring a double O‑ring composite de...
16/10/2026

The DPR Combination Wiper Seal (Scraper) is an external, single‑acting wiper seal featuring a double O‑ring composite design consisting of an O‑ring (elastomer) and a PTFE slide ring. It is installed at the outermost end of the cylinder head (gland) in various hydraulic and pneumatic cylinders to scrape away contaminants – such as dust, mud, water, rust, chemical residues, and other debris – that adhere to the piston rod surface during retraction, preventing external impurities from entering the cylinder and protecting the primary seals and the entire hydraulic/pneumatic system from contamination damage.

The LBH Wiper Seal (Scraper) is an external, single‑acting wiper seal featuring a single‑piece integral moulded construc...
10/10/2026

The LBH Wiper Seal (Scraper) is an external, single‑acting wiper seal featuring a single‑piece integral moulded construction. It is installed at the outermost end of the cylinder head (gland) in various hydraulic and pneumatic cylinders to scrape away contaminants – such as dust, mud, water, and other debris – that adhere to the piston rod surface during retraction, preventing external impurities from entering the cylinder and protecting the primary seals and the entire hydraulic/pneumatic system from contamination damage.

10/10/2026

If you want more information please contact us!!! DEF SEALS waiting for you.

24/09/2026

This is DEF SEALS from China!

21/09/2026

Carrying over 22 years hydraulic experience
60+ countries export
10,000 s.q Meters workshop
Range up to size 1500mm
100+ materials
Please let us know your request!

The DRH complies with the ISO 6195/C international wiper seal standard, with the following cross‑sectional design charac...
20/09/2026

The DRH complies with the ISO 6195/C international wiper seal standard, with the following cross‑sectional design characteristics:

Outer sealing surface – forms a stable static seal with the groove bottom, preventing external contaminants from penetrating through the outer side of the groove

Inner scraping lip – creates an interference fit with the rod surface, scraping away contaminants during rod retraction

Optimised lip geometry – balances scraping effectiveness with friction control, ensuring thorough cleaning without excessive resistance

External mounting – the wiper is installed at the outer face of the cylinder head, with partial protrusion beyond the face for easy visual inspection and routine maintenance

Address

Jinfu Road 17, Liaobu Town
Dongguan
523410

Opening Hours

Monday 08:00 - 17:30
Tuesday 08:00 - 17:30
Wednesday 08:00 - 17:30
Thursday 08:00 - 17:30
Friday 08:00 - 17:30

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