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{"title":"Complete Piston Seal - Pneumatic - DP Type FESTO cylinder piston ring cylinder","imgUrl":"https:\/\/img.chinax.com\/nimg\/b3\/8b\/2375934265d3dda912bdd1319680-200x200-1\/complete_piston_seal_pneumatic_dp_type_festo_cylinder_piston_ring_cylinder.jpg","attrs":{"Brand Name":"DZK","Model Number":"DP Type","Certification":"ROHS","Place of Origin":"CHINA"}}
{"title":"Wire Diameter 2.62mm O Ring Seals AS568 Standard Black 70 Shore A 90 Shore A","imgUrl":"https:\/\/img.chinax.com\/nimg\/6d\/a5\/0164069b893df883b73d63aeab14-200x200-1\/wire_diameter_2_62mm_o_ring_seals_as568_standard_black_70_shore_a_90_shore_a.jpg","attrs":{"Brand Name":"DZK","Model Number":"AS568 Series","Certification":"ROHS","Place of Origin":"CHINA"}}
{"title":"NBR Rubber O Ring JIS P Standard Wire Diameter 1.9mm Heat Resistant 90 Shore A","imgUrl":"https:\/\/img.chinax.com\/nimg\/b6\/0e\/bcfca4967d09f2158b8f019bf347-200x200-1\/nbr_rubber_o_ring_jis_p_standard_wire_diameter_1_9mm_heat_resistant_90_shore_a.jpg","attrs":{"Brand Name":"DZK","Model Number":"P6","Certification":"ROHS","Place of Origin":"CHINA"}}
{"title":"Custom NBR high temperature rubber o rings 90 shore A 2.4mm Wire Diameter","imgUrl":"https:\/\/img.chinax.com\/nimg\/4d\/4a\/746b32572af5c5cffef0312d6a26-200x200-1\/custom_nbr_high_temperature_rubber_o_rings_90_shore_a_2_4mm_wire_diameter.jpg","attrs":{"Brand Name":"DZK","Model Number":"P18","Certification":"ROHS","Place of Origin":"CHINA"}}
{"title":"JIS P Standard Industrial O Rings Wire Diameter 1.9mm High Temp Silicone O Rings","imgUrl":"https:\/\/img.chinax.com\/nimg\/5b\/ce\/c137a267d1006a8e77183f8053c3-200x200-1\/jis_p_standard_industrial_o_rings_wire_diameter_1_9mm_high_temp_silicone_o_rings.jpg","attrs":{"Brand Name":"DZK","Model Number":"P6","Certification":"ROHS","Place of Origin":"CHINA"}}
{"title":"5.7mm Diameter NBR90 Rubber Seal Ring JIS P Standard High Temp O Rings","imgUrl":"https:\/\/img.chinax.com\/nimg\/a3\/ef\/fe1768d4c4ed64eb77ab00426aa1-200x200-1\/5_7mm_diameter_nbr90_rubber_seal_ring_jis_p_standard_high_temp_o_rings.jpg","attrs":{"Brand Name":"DZK","Model Number":"P6","Certification":"ROHS","Place of Origin":"CHINA"}}
{"title":"Black Round Rubber Seal Ring O Shaped 90 Shore A JIS P Standard 209.5x8.4","imgUrl":"https:\/\/img.chinax.com\/nimg\/a3\/3c\/1c1465694781a7445c820823817b-200x200-1\/black_round_rubber_seal_ring_o_shaped_90_shore_a_jis_p_standard_209_5x8_4.jpg","attrs":{"Brand Name":"DZK","Model Number":"P210","Certification":"ROHS","Place of Origin":"CHINA"}}
Suitable for cylinders with end buffers, it prevents excessive lateral loads. Integrating sealing, guiding and buffering (no extra parts needed), it has good wear resistance and strong corrosion resistance (full rubber covering) for complex conditions. With a built-in pressure relief groove, it balances pressure fast, boosting cylinder efficiency and prolonging equipment life.
Technical Specifications
Parameter
Standard Range
Standard Range
16 bar
Temperature
-30 to 200°C
Materials
NBR (Nitrile-Butadiene)
Speed
1 m/s
buffer mechanism
No
Key Features & Benefits
The double-acting DP-type seal is an integral piston seal with double sealing lips, vulcanized and bonded to a metal skeleton. It integrates three functions: sealing, guiding and buffering.
Optimized in geometry and material, it is suitable for oiled or oil-free air (initial pre-lubrication required during installation). The buffer channel is located on the piston end face, and its integrated design provides mechanical buffering for the cylinder.
Featuring a built-in integrated pressure relief groove, it enables rapid response (under full pressure load). It has excellent wear resistance and strong corrosion resistance due to full rubber coverage. The optimized design of the sealing lip ensures smooth operation.
No additional sealing elements are needed, and it can be easily fixed on the piston rod. Its integral static sealing function allows for easy installation. With the right material selected, it offers good media resistance. The integral piston structure reduces the installation height, thereby shortening the oil cylinder.
This integral piston is suitable for almost all types of cylinder designs.
Applications
Heavy Machinery: Hydraulic cylinders for excavators, cranes, and bulldozers.
Case Study: A construction equipment OEM reported a 40% reduction in assembly time and zero field failures after switching to DP Integral Seals.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2018
Total Annual:
200-300
Employee Number:
50~100
Ecer Certification:
Verified Supplier
DZK seal Established in 2015, Xiamen De Zheng Kai Sealing Technology Co., Ltd. is a professional manufacturer of high-quality precision sealing components.Specializing in the production of various hydraulic and pneumatic sealing products. Its quality system certification has passed ISO 9001:201... DZK seal Established in 2015, Xiamen De Zheng Kai Sealing Technology Co., Ltd. is a professional manufacturer of high-quality precision sealing components.Specializing in the production of various hydraulic and pneumatic sealing products. Its quality system certification has passed ISO 9001:201...