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{"title":"TPU Material Polyurethane Oil Seal with 90 Shore A Hardness and Resistant Hot","imgUrl":"https:\/\/img.chinax.com\/nimg\/be\/af\/529cd313ceebf320e1a252d118be-200x200-1\/tpu_material_polyurethane_oil_seal_with_90_shore_a_hardness_and_resistant_hot.jpg","attrs":{"color":"blue+black","Size":"standard size","Material":"TPU material","Application":"For Piston"}}
{"title":"High Temperature Resistant Silicone Rubber Washers and PU O Rings for Industrial","imgUrl":"https:\/\/img.chinax.com\/nimg\/68\/31\/a6868655d3a387293f39f77f4d56-200x200-1\/high_temperature_resistant_silicone_rubber_washers_and_pu_o_rings_for_industrial_oil_seal_with_corrosion_resistance_and_high_tensi.jpg","attrs":{"Material":"steel+NBR ,FKM","Hardness":"70,90shore A","Working temperature":"-30\u2103-+200\u2103","Brand Name":"3Arubber"}}
{"title":"15 Sizes Waterproof Wear-resistant Silicone O Ring Kit for Mechanical Sealing","imgUrl":"https:\/\/img.chinax.com\/nimg\/70\/29\/0a3d6a59c5eb627fd0ee98808862-200x200-1\/15_sizes_waterproof_wear_resistant_silicone_o_ring_kit_for_mechanical_sealing.jpg","attrs":{"Brand Name":"3A Rubber","Model Number":"3A5012","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"Food Grade Silicone O Ring Kit 150pcs 60-70 Shore A","imgUrl":"https:\/\/img.chinax.com\/nimg\/56\/1c\/10555c03a34a683fa54cd3499b9b-200x200-1\/food_grade_silicone_o_ring_kit_150pcs_60_70_shore_a.jpg","attrs":{"Brand Name":"3A Rubber","Model Number":"3A5012","Certification":"ISO9001","Place of Origin":"China"}}
{"title":"TC SC Type FKM NBR Oil Seal Silicone Rubber Washers with High Temperature and","imgUrl":"https:\/\/img.chinax.com\/nimg\/6d\/fe\/636b1afeb0b810369fabd1a9acdc-200x200-1\/tc_sc_type_fkm_nbr_oil_seal_silicone_rubber_washers_with_high_temperature_and_oil_resistance.jpg","attrs":{"Material":"steel+NBR ,FKM","Hardness":"70,90shore A","Working temperature":"-30\u2103-+200\u2103","Brand Name":"3Arubber"}}
{"title":"Small Food Grade Silicone Washers with 7.5-12Mpa Tensile Strength Made from 100%","imgUrl":"https:\/\/img.chinax.com\/nimg\/20\/09\/7a5d60ed51f53a2d0206b3c5e01a-200x200-1\/small_food_grade_silicone_washers_with_7_5_12mpa_tensile_strength_made_from_100_25_virgin_silicone_rubber.jpg","attrs":{"Tensile Strength":"7.5-12Mpa","Quality":"Food Grade Without Smell","OEM Size":"Agreed","Payment Terms":"L\/C,T\/T,Western Union,Paypal"}}
{"title":"Dark Red Silicone Rubber Washer with Good Aging Resistance and High Temperature","imgUrl":"https:\/\/img.chinax.com\/nimg\/45\/6f\/dd50b1fa90ec4c68207a07662040-200x200-1\/dark_red_silicone_rubber_washer_with_good_aging_resistance_and_high_temperature_resistance_made_from_100_25_virgin_silicone.jpg","attrs":{"Tensile Strength":"7-9.8Mpa","Tear strength":"26-42N\/mm","Quality":"industrial grade,food grade","Material":"100% virgin silicone"}}
TPU Polyurethane Oil Seal / Hydraulic Oil Seal Resistant to Hot and Cold Temperatures
KDAS Polyurethane Piston Seal, Polyurethane Oil Seal, and Hydraulic Oil Seal designed for exceptional performance in both hot and cold temperature environments.
What is a Piston Seal
Piston seals, also known as piston packings, are mounted on a piston head that moves through the bore of hydraulic or pneumatic cylinder tubes. The inner diameter of the seal fits into a static housing/groove within the piston head. These seals can be single-acting (designed for pressure from one side only) or double-acting (designed for pressure from both sides) and are typically used in sealing systems with bearings, which may be incorporated into the seal or housed separately. Single-acting seals can also be mounted back-to-back on a piston head in separate grooves to create a double-acting arrangement.
Technical Specifications
Function
The primary function of a piston seal is to contain pressure on one side of a piston without leakage, enabling maximum force to be applied for moving the piston along the cylinder bore. Design considerations include expected pressures, acceptable friction losses, double-acting capability requirements, and whether the piston head is integral or split.
Current Export Markets
Taiwan, Europe, America, Asia, Africa, Middle East, and other global regions
Production Equipment
Includes vacuum vulcanizing machines, large-scale flat vacuum vulcanizing machines, rubber processing equipment, CNC machine tools, temperature-controlled ovens, and detection instruments
Material Properties (PU)
Polyurethane material exhibits superior mechanical strength, high abrasion and wear resistance, excellent extrusion resistance, high pressure load capacity, along with exceptional tear and elongation at break resistance. PU also offers good flexibility and outstanding aging and ozone resistance.
Key Advantages
Excellent sealing performance, suitable for holding cylinders
Capable of installation in closed grooves for reduced machining costs
Economical sealing and guiding solution with simple snap installation
Applications
Compact seals are the recommended sealing element for double-acting pistons in hydraulic components including:
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