Piston Wear Ring for 320b

Piston Wear Ring for 320b

PFC-7
​Kintowe piston wear rings have the advantages of excellent compressive, tensile, wear, fire, heat and chemical corrosion resistant property, can adapt to the complex working conditions.
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Description

Honesty is the foundation of being a human being, the foundation of the survival and development of an enterprise, and the first consideration in supervising our production of each Bearings, Phenolic Polyester Wear Ring, Hydraulic Guide Rings. Our company is committed to continue to explore the value of resources, abide by the commitment to sustainable development, create greater value with gratitude and reverence, and pursue the harmonious coexistence of man and nature. The company continues to strengthen market awareness, continuous innovation, improvement and perfection, and is committed to becoming a first-class enterprise. Our company has devoted great enthusiasm to the future development and treats every detail with a professional spirit. We will continue to work hard to provide users with more high-quality and satisfactory services. We maintain a strong sense of apprehension and a sense of urgency to innovate and keep pace with the times so that our enterprise is always in the dynamic process of continuous innovation.

Our piston wear rings are composed of phenolic resin reinforced with ultra strong special fiber, added with solid lubricants, processed under certain temperature and pressure. Compare to other fiber-reinforced (cotton fiber, polyester fiber, polyamide fiber and so on) phenolic products, this material has the largest compressive strength, it is suitable used as back-up rings for mine, coal machinery and equipment.

Product parameter

Color

Grey

Material

Phenolic resin reinforced with ultra strong special fiber PFC-7)

Density

1.2-1.4g/cm³

0.043-0.051lb/in³

Tensile Strength

74MPa

10730PSI

Ultimate Compressive Strength

460MPa

66700PSI

Impact Strength

45 J/m


Rockwell Hardness

110HRM


Coefficient of friction

0.15-0.25(Dry)

0.07-0.12(Oil)


Temperature

-40° to 200° C

-104° to 392° F

Product application

Kintowe piston wear rings guide pistons and piston rods in a hydraulic cylinder, minimizing transverse forces and preventing metal-to-metal contact. Use of wear rings reduces friction and optimizes the performance of piston and rod seals.

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Product details

Machining Tolerances

Height: 0/-0.30

Thickness: 0/-0.05

Outer diameter(OD): ±0.1

Inner diameter(ID): ±0.1

Cut gap could be in angle cut, butt cut, step cut

Outer diameter(OD)

≤100

100<OD<200

200≤OD<400

400≤OD<600

Cut gap

2

3

4

5

Limit deviation

±1

±1

±1

±1

Product qualification

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Piston guide rings

OD x ID x H


OD x ID x H


OD x ID x H


OD x ID x H

16 x 11 x 5.6

50 x 45 x 5.6


75 x 70 x 5.6


120 x 114 x 13

16 x 12.9 x 4

50 x 45 x 6.3


75 x 70 x 9.7


120 x 114 x 20


50 x 45 x 9.7




120 x 114 x 30

18 x 13 x 5.6

50 x 46 x 12


80 x 72 x 12


120 x 114 x 40

18 x 14.9 x 4

50 x 46.9 x 4


80 x 74 x 13


120 x 115 x 9.7




80 x 74 x 20



20 x 15 x 5.6

55 x 50 x 4


80 x 74 x 25


125 x 119 x 13

20 x 16.9 x 4

55 x 50 x 5.6




125 x 119 x 15


55 x 50 x 9.7


80 x 75 x 5.6


125 x 119 x 20

25 x 20 x 5.6

55 x 50 x 25


80 x 75 x 9.7


125 x 119 x25

25 x 21.9 x 4



80 x 75 x 15


125 x 119 x 30


60 x 54 x 10




125 x 120 x 9.7

30 x 24 x 10

60 x 54 x 13


85 x 79 x 30



30 x 25 x 5.6

60 x 54 x 20


85 x 80 x 5.6


130 x 124 x 13

30 x 26.9 x 4

60 x 54 x 30


85 x 80 x 9.7


130 x 124 x 30






130 x 125 x 9.7

32 x 27 x 5.6

60 x 55 x 5.6


90 x 84 x 13



32 x 28.9 x 4

60 x 55 x 6.3


90 x 84 x 20


135 x 129 x 13


60 x 55 x 9.7


90 x 85 x 5.6



35 x 30 x 5.6



90 x 85 x 9.7


140 x 134 x 13

35 x 31.9 x 4

63 x 57 x 13




140 x 134 x 20


63 x 57 x 20


95 x 89 x 13


140 x 134 x 25

40 x 34 x 10

63 x 58 x 5.6


95 x 90 x 9.7


140 x 134 x 30

40 x 35 x 5.6

63 x 58 x 6.3




140 x 135 x 9.7

40 x 35 x 9.7

63 x 58 x 9.7


100 x 94 x 13


140 x 135 x 15

40 x 36 x 10

63 x 58 x 10


100 x 94 x 20



40 x 36.9 x 4



100 x 94 x 25


145 x 139 x 30


65 x 59 x 13


100 x 94 x 30



45 x 39 x 10

65 x 59 x 20


100 x 95 x 9.7


150 x 144 x 13

45 x 40 x 5.6

65 x 60 x 5.6




150 x 144 x 20

45 x 41 x 12

65 x 60 x 9.7


110 x 104 x 13


150 x 144 x 30

45 x 41.9 x 4



110 x 104 x 20


150 x 144 x 40


70 x 64 x 13


110 x 104 x 30


150 x 145 x 9.7

50 x 44 x 10

70 x 64 x 20


110 x 105 x 9.7


150 x 145 x 15


70 x 65 x 5.6


110 x 105 x 15




70 x 65 x 9.7




155 x 149 x 13


70 x 65 x 20


115 x 109 x 13







115 x 110 x 9.7



OD x ID x H


OD x ID x H


OD x ID x H


160 x 154 x 13


210 x 205 x 9.7


300 x 292 x 20



160 x 154 x 15


210 x 205 x 15


300 x 292 x 25



160 x 154 x 19.5




300 x 292 x 40



160 x 154 x 30


220 x 212 x 20


300 x 295 x 15



160 x 154 x 35


220 x 212 x 30


300 x 295 x 25



160 x 154 x 50


220 x 214 x 19.5







220 x 214 x 30


400 x 392 x 30



160 x 155 x 9.7


220 x 215 x 9.7





160 x 155 x 15


220 x 215 x 15












170 x 160 x 20


230 x 225 x 15





170 x 164 x 19.5







170 x 164 x 20


240 x 232 x 25





170 x 164 x 30


240 x 232 x 40





170 x 165 x 9.7


240 x 235 x 9.7





170 x 165 x 15


240 x 235 x 15












180 x 172 x 40


250 x 242 x 20





180 x 174 x 13


250 x 242 x 25





180 x 174 x 19.5


250 x 242 x 40





180 x 174 x 30


250 x 244 x 19.5





180 x 175 x 9.7


250 x 244 x 50





180 x 175 x 15









250 x 245 x 9.7





190 x 184 x 25


250 x 245 x 15





190 x 184 x 30







190 x 185 x 9.7


260 x 255 x 9.7





190 x 185 x 15


260 x 255 x 15












200 x 192 x 25


270 x 262 x 25





200 x 194 x 20


270 x 262 x 30





200 x 194 x 30







200 x 194 x 50


280 x 272 x 25







280 x 275 x 15





200 x 195 x 9.7


280 x 275 x 25





200 x 195 x 15







200 x 195 x 20







Rod guide rings

ID x OD x H


ID x OD x H


ID x OD x H


ID x OD x H

12 x 15 x 6.3

30 x 33.1 x 4


45 x 49 x 15


65 x 70 x 9.7

12 x 15.1 x4

30 x 34 x 10


45 x 50 x 5.6


65 x 71 x 13


30 x 35 x 5.6


45 x 50 x 9.7


65 x 71 x 20

14 x 17.1 x 4



45 x 51 x 13


65 x 71 x 40


32 x 35 x 5.6


45 x 51 x 20



15 x 18.1 x 4

32 x 35.1 x 4.2


45 x 51 x 40


70 x 75 x 9.7


32 x 36 x 10




70 x 76 x 13

16 x 19 x 6

32 x 36 x 15


50 x 55 x 5.6


70 x 76 x 20

16 x 19.1 x 4

32 x 36 x 20


50 x 55 x 9.7


70 x 76 x 30

16 x 20 x 10



50 x 55 x 15


70 x 76 x 40


32 x 37 x 5.6


50 x 56 x 13


70 x 76 x 50

18 x 21.1 x 4

32 x 37 x 9.7


50 x 56 x 20




32 x 38 x 10


50 x 56 x 30


75 x 80 x 9.7

20 x 23 x 10





75 x 81 x 13

20 x 23.1 x4

35 x 38 x 10


55 x 60 x 5.6


75 x 81 x 20

20 x 24 x 5.6

35 x 39 x 20


55 x 60 x 9.7


75 x 81 x 30


35 x 40 x 5.6




75 x 81 x 60

22 x 25 x 10

35 x 40 x 9.7


56 x 61 x 5.6



22 x 25.1 x 4

35 x 41 x 10


56 x 61 x 9.7


80 x 85 x 9.7




56 x 62 x 13


80 x 85 x 15

25 x 28 x 6

36 x 40 x 10


56 x 62 x 16


80 x 86 x 13

25 x 28 x 10

36 x 40 x 30


56 x 62 x 30


80 x 86 x 20

25 x 28 x 20

36 x 41 x 5.6


56 x 62 x 40



25 x 28.1 x 4

36 x 41 x 9.7




80 x 86 x 25

25 x 28.1 x 4.2

36 x 42 x 10


60 x 65 x 5.6


80 x 86 x 30




60 x 65 x 9.7


80 x 86 x 40

25 x 29 x 5.6

40 x 43 x 5.6


60 x 65 x 15


80 x 86 x 50

25 x 29 x 10

40 x 44 x 10


60 x 66 x 13



25 x 29 x 20

40 x 44 x 20


60 x 66 x 20


85 x 90 x 9.7

25 x 30 x 5.6

40 x 44 x 25


60 x 66 x 30


85 x 90 x 15

25 x 31 x 10

40 x 45 x5.6




85 x 91 x 13


40 x 45 x 9.7


63 x 68 x 5.6


85 x 91 x 20

28 x 31.1 x 4



63 x 68 x 9.7


85 x 91 x 25

28 x 32 x 10

40 x 46 x 10


63 x 68 x 15



28 x 33 x 5.6

40 x 46 x 15


63 x 69 x 13



28 x 34 x 10

40 x 46 x 20


63 x 69 x 20




40 x 46 x 25


63 x 69 x 30










ID x OD x H


ID x OD x H


ID x OD x H



90 x 95 x 9.7


125 x 131 x 13


180 x 185 x 9.7



90 x 95 x 15


125 x 131 x 30


180 x 185 x 15



90 x 96 x 13


125 x 131 x 40


180 x 186 x 19.5



90 x 96 x 20


125 x 131 x 50





90 x 96 x 30




195 x 203 x 25



90 x 96 x 40


125 x 133 x 20







125 x 133 x 30


200 x 205 x 15



95 x 100 x 9.7


125 x 133 x 45


200 x 205 x 25



95 x 100 x 15


125 x 133 x 60









220 x 218 x 25



100 x 105 x 9.7


127 x 133 x 13





100 x 105 x 15




220 x 225 x 15





130 x 135 x 9.7


220 x 225 x 25



100 x 106 x 13


130 x 135 x 15


220 x 228 x 25



100 x 106 x 20







100 x 106 x 25


135 x 141 x 90


235 x 243 x 30



100 x 106 x 30







100 x 106 x 40


140 x 145 x 9.7


250 x 255 x 15



100 x 106 x 50


140 x 145 x 15


250 x 255 x 25










105 x 111 x 20


140 x 146 x 13


255 x 263 x 25





140 x 146 x 20





110 x 115 x 9.7


140 x 146 x 25


264 x 272 x 24



110 x 115 x 15


140 x 146 x 40





110 x 116 x 13


140 x148 x 20


305 x 313 x 25



110 x 116 x 20







110 x 116 x 30


150 x 155 x 9.7


365 x 373 x 35





150 x 155 x 15





115 x 121 x 20


150 x 156 x 19.5







150 x 156 x 30





120 x 125 x 9.7


150 x 158 x 20





120 x 125 x 15







120 x 126 x 40


160 x 165 x 9.7





120 x 126 x 50


160 x 165 x 15







160 x 166 x 30





125 x 130 x 9.7


160 x 168 x 30





125 x 130 x 15


160 x 168 x 40





Our Piston Wear Ring for 320b is stable, safe and reliable, complete in specifications and diverse in variety. In addition to continuously improving our technical ability, we also understand the industry development and market consumption trends. We uphold the tenet of customer satisfaction and insist on high quality and professional manufacturing as our mission, and have established a perfect quality management system.

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