PTFE Bronze Piston Guide Wear Ring

PTFE Bronze Piston Guide Wear Ring

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

We are committed to creating reliable products and improving service quality for customers, and strive to become a leading manufacturer for Graphite Phenolic Resin Bushings, Hydraulic Wear Ring for Piston and Rod, PTFE Filled with Bronze Guide Tapes in the industry. We are committed to creating a green and healthy industrial chain, ensuring product quality and safety, and meeting the consumer needs of our customers. Industrial transformation and social progress have always been driven by the development of new technologies. Our company has established a set of strict quality assurance system from design, development, production, manufacturing to service. We adhere to people-oriented, employee interests first, investor interests second, that talent is the company's most valuable property.

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





We try our best to reduce the cost of new product development, so as to enhance the market competitive advantage of new PTFE Bronze Piston Guide Wear Ring. The company has always adhered to the mid-to-high-end route, and resolutely resisted poor quality and high prices. According to the national policy and the enterprise's own reality, we will improve the level of intelligent manufacturing and product differentiation.

Hot Tags: piston wear rings, China, suppliers, manufacturers, factory, customized, bulk, pricelist, quotation, in stock, free sample, PTFE Wear Strips, Spherical Bearings, Composite Thrust Bearings, Phenolic Fabric Wear Rings, Dust Rings, Spherical Rod End Bearings

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