An O-ring is an annular packing with an O-shaped (circular) cross section, which is generally mounted in a groove and compressed appropriately to be used as a seal for a wide variety of fluids such as oil, water, air, and gas.
Type For dynamic (P type) Material NBR-70-1 (type 1 A) NBR Nitrile Rubber Hardness 70(±5)° Withstand Pressure (MPa) 7 Heat Resistance Temperature (℃) 100
An O-ring is an annular packing with an O-shaped (circular) cross section, which is generally mounted in a groove and compressed appropriately to be used as a seal for a wide variety of fluids such as oil, water, air, and gas.
Type For fixing S type Material NBR (Nitrile Rubber) Hardness 70(±5)° Heat Resistance Temperature (℃) 100
Has heat resistance and chemical resistance.
Packing that requires heat resistance, oil resistance, and chemical resistance, corrosion resistant packing in chemical factories, gaskets, diaphragms, tank linings, hoses, pump parts, etc.
Specification Heat and chemical resistant Material JIS B 2401 Type 4 D (Fluoro rubber) Hardness 70 Withstand Pressure (MPa) 7 Heat Resistance Temperature (℃) 200 RoHS directive (corresponding to 10 substances) Correspondence
This standard is arranged by adding our own control items (reference load) with reference to the German standard (DIN2098) compression spring that is popular in Europe.
For OA equipment, electronic parts, automobile parts, electrical appliances, toys, industrial equipment, etc.
RoHS directive (corresponding to 10 substances) Correspondence Spring Type Compression coil spring
Unlike conventional round wires, "strong springs", "strong springs for high deflection", and "strong spring α" use irregular cross-section materials and were standardized by Tohoku for the first time in Japan. By using this irregular cross-section material, we are co... Read More
Good oil resistance, wear resistance, and aging resistance.
Oil resistant products such as oil seals, gaskets, oil resistant hoses, conveyor belts, printing rolls, and spinning top rolls.
Material NBR (Nitrile Rubber) Hardness 70±5 Withstand Pressure (MPa) 7 Heat Resistance Temperature (℃) 120
The shape is small and easy to install and remove. It is also useful for reducing the size and weight of equipment. It is used as a seal for the rotating shaft and is used when it is necessary to prevent foreign matter from the outside.
For general industrial machinery such as automobiles, agricu... Read More
Material NBR Type UE Operating Pressure (MPa) 0.03 or less Contact Part Double lip (Main lip / Sub lip)
An O-ring is an annular packing with an O-shaped (circular) cross section, which is generally mounted in a groove and compressed appropriately to be used as a seal for a wide variety of fluids such as oil, water, air, and gas.
Type For fixing G type Material NBR-70-1 (Type 1 A) NBR nitrile rubber Hardness 70(±5)° Heat Resistance Temperature (℃) 100 Material symbol (JIS) Type 1A (NOK) A305
It has the best heat resistance, oil resistance, and fuel oil resistance among synthetic rubber materials.
* Weak against steam, ketones, esters, alkalis, and amines
Good oil resistance, wear resistance, and aging resistance.
Oil resistant products such as oil seals, gaskets, oil resistant hoses, conveyor belts, printing rolls, and spinning top rolls.
Material NBR (Nitrile Rubber) Hardness 70 Withstand Pressure (MPa) 7 Heat Resistance Temperature (℃) 100
It has the best heat resistance, oil resistance, and fuel oil resistance among synthetic rubber materials.
Material JIS4 class D fluoro rubber Color Black Type For fixing S type Operating Temperature Range (℃) -15~200 (MAX220) JIS Standard JIS B 2401 Class 4 D Hardness (Durometer A) 70(±5) JASO standard JASO F404 4 type D Material symbol F201
Has heat resistance and chemical resistance.
Packing that requires heat resistance, oil resistance, and chemical resistance, corrosion resistant packing in chemical factories, gaskets, diaphragms, tank linings, hoses, pump parts, etc.
Material Fluororubber Hardness 70 Withstand Pressure (MPa) 7 Heat Resistance Temperature (℃) 200
In addition to heat resistance and cold resistance, it has excellent lubrication oil resistance and water resistance.
Material VMQ-70 (4 types C) silicone rubber Color Red Operating Temperature Range (℃) -48~200(MAX220) Hardness (Durometer A) 70(±5) Material symbol S503
It has the highest heat resistance and chemical resistance.
Packing that requires heat resistance, oil resistance, and chemical resistance, corrosion resistant packing in chemical factories, gaskets, diaphragms, tank linings, hoses, pump parts, etc.
Specification Heat, oil and chemical resistant Type For fixing S type Material Fluoro rubber Hardness 70 Heat Resistance Temperature (℃) 220 RoHS directive (corresponding to 10 substances) Correspondence
It has the best heat resistance, oil resistance, and fuel oil resistance among synthetic rubber materials.
Material FKM-70 (4 types D) fluoro rubber Color Black Type For fixing G type Operating Temperature Range (℃) -15~200 (MAX220) JIS Standard JIS B 2401 Class 4 D Hardness (Durometer A) 70(±5) JASO standard JASO F404 4 type D Material symbol F201
Among various oil seals, it is most often used for rotation. When the target of the seal is placed on the one-way side, it is generally used alone. The peripheral speed used depends on the shaft diameter.
Material NBR Type AD Operating Pressure (MPa) 0.03 or less Contact Part Single lip (main lip)
Although the structure is simple, it has a good sealing performance due to its self-sealing action. Demonstrates stable sealing performance even at high pressure. The installation space is compact and easy to install. Since the seal has no directionality, it is possible to seal from both sides.
Type For fixing S type Material JIS Class 1 A NBR (Nitrile rubber) Hardness 70(±5) Heat Resistance Temperature (℃) 100
It is a seal to prevent dust from entering from the outside to protect the equipment and maintain the function of the packing. It can be installed in the integrated groove. It is a double lip rubber single dust seal for the purpose of preventing oil from squeezing out. Since nitrile rubber and fl... Read More
Operating Temperature Range (℃) -25~+100 Suitable Fluid External dust
It has a high degree of heat resistance and cold resistance. Good oil resistance.
Heat and cold resistant applications such as packings, gaskets, oil seals, industrial rolls, anti-vibration rubber, and electrical insulation, medical applications, etc. Sealand, Botting (RTV)
Type For dynamic (P type) Material Silicone rubber Heat Resistance Temperature (℃) 200 Hardness (Durometer A) 70(±5) RoHS directive (corresponding to 10 substances) Correspondence
Has excellent electrical and thermal conductivity.
Since the outer diameter is smaller than the inner diameter so that it can be used for pipes, it is used as a packing application.