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High pressure O-ring NBR 90 JIS-P series-P-003
High pressure O-ring NBR 90 JIS-P series-M-O Tech Co., Ltd.

High pressure O-ring NBR 90 JIS-P series
M-O Tech Co., Ltd.


About This Product

We handle various high-pressure O-rings, mainly in sizes used as repair and maintenance parts for construction machinery and agricultural machinery. Regarding O-rings for construction machinery, we always keep in stock the sizes frequently used for maintenance, along with backup rings. When ordering, please be sure to specify the size (inner diameter x wire diameter) or standard count (e.g. G-80, etc.). We always keep in stock general-purpose high-pressure O-rings (JIS-P, JIS-G) and backup rings (manufactured by Hytrel) used in hydraulic cylinders for construction and agricultural machinery. For backup rings for O-rings, we are the only company in the domestic aftermarket that offers Hytrel backup rings, which are used in the latest model hydraulic cylinders of major construction machinery manufacturers. (According to our research as of April 2015) Compared to conventional PTFE (Teflon) backup rings, it has superior wear and extrusion resistance under high pressure conditions that can cause oil leaks.

■Aging test 120℃ 7Hrs

・Hardness change rate (Hs max) +4 ・Tensile strength change rate (% maximum) -7 ・Elongation rate change (% maximum) -36

■Compression set 120℃ 70Hrs

Compression set rate (% max) 10 (22Hrs)

■Oil resistance test (test oil ASTM No.1)

・Temperature x time 120℃ 70Hrs ・Hardness change (Hs max) +3 ・Tensile strength change rate (% maximum) +2 ・Elongation change rate (% maximum) -23 ・Volume change rate (% maximum) -3

■Oil resistance test (test oil IRM903)

・Temperature x time 120℃ 70Hrs ・Hardness change (Hs max) -7 ・Tensile strength change rate (% maximum) -4 ・Elongation change rate (% maximum) -27 ・Volume change rate (% maximum) +9

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    High pressure O-ring NBR 90 JIS-P series

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1 Models of High pressure O-ring NBR 90 JIS-P series

Image Part Number Price (excluding tax) Wire diameter C/S (mm) Hardness (Hs) Specific gravity Tensile strength (Mpa) Inner diameter ID (mm) Elongation (% min)
High pressure O-ring NBR 90 JIS-P series-Part Number-P-003

P-003

Available upon quote

1.9

90±5

1.234

16.9

2.8

144

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