DMS SEALS TECHNOLOGY CO.,LIMITED

DMS Seals-Mechanical Seals and Oil Ring Seals Manufacturer

The Professional Sealing Solution Supplier(O Ring Suppliers & Oil Seal Manufacturers).

Mail to: sales@dmsseals.com

TEL:+86-757-86235767

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Home  > PRODUCTS  > O-Ring kits  >  FOR SUMITOMO MODELS OR-KIT011 NBR90 642PCS
FOR SUMITOMO MODELS OR-KIT011 NBR90 642PCS

FOR SUMITOMO MODELS OR-KIT011 NBR90 642PCS

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Product Description
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1. Performance and use

O-rings are the most used seals in actual production and life, which can seal one-way pressure, two-way pressure or alternating pressure.

It is mainly used for static seals, and a small part of dynamic seals (often pneumatic reciprocating motion) are also used. In dynamic applications, it is only recommended for better conditions. In rotary motion, if the pressure is low and the lubrication is sufficient, it can be recommended.

The service life of O-rings depends on factors such as system lubrication, pressure, temperature, sealing gap, speed, medium and surface quality of metal parts.

Wide range of materials, all kinds of rubber, plastic and even metal can be used as O-ring seal materials. Therefore, its medium adaptability and temperature adaptability are extremely wide.

Small mounting groove size.

Simple structure and low price.


2. Materials

Now the commonly used materials are NBR (butadiene rubber) and FKM (fluorine rubber). NBR is used for ordinary working conditions, mainly oil-proof and waterproof; FKM is mainly used for working conditions with high temperature (<160°C).

3. Performance parameters



Static sealDynamic seal
Work pressureWithout retaining ring, up to 10MPa; with retaining ring, up to 40MPa; with special retaining ring, up to 200MPa;When there is no retaining ring, the maximum pressure can reach 0.5MPa; when there is a retaining ring, the maximum pressure is 1MPa.
Movement speed-The maximum reciprocating speed can reach 0.3m/s, and the maximum rotation speed can reach 2.0m/s.
TemperatureNitrile rubber NBR: -30℃~110℃; Fluorine rubber FKM: -20℃~160℃



Product Parameters


OR-KIT011 NBR90 642PCS
19.25*1.78202642.52*2.628
210.82*1.78202723.47*2.9512
312.42*1.78202826.59*2.9512
414*1.78202929.74*2.9512
53.8*1.9103024.4*3.112
64.8*1.9103129.4*3.112
75.8*1.9103234.4*3.112
86.8*1.9153339.4*3.110
97.8*1.9203444.4*3.16
108.8*1.9153521.7*3.511
119.8*1.9153622.1*3.511
129.8*2.4103723.7*3.515
1310.8*2.4203824.7*3.511
1411.8*2.4153925.7*3.511
1512.3*2.4104027.7*3.511
1613.8*2.4154128.7*3.515
1714.8*2.4154229.2*3.510
1815.8*2.4154329.7*3.511
1917.8*2.4154431.7*3.511
2019.8*2.4154533.7*3.511
2120.8*2.4154634.7*3.510
2221.8*2.4154737.7*3.56
2319.18*2.46104847.7*3.55
2413.94*2.62204924.99*3.5312
2536.17*2.6285032.92*3.5312
Remarks: The total number of O-rings is 642 pieces, the ones marked with colors are fluorine-sprayed O-rings




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