O型密封圈用挡圈

O型圈用挡圈,,,,,,,,,,,,,

挡圈可用聚四氟乙烯、尼龙6或者尼龙1010制成。它可与O形圈配套，做为防挤圈使用。根据要求，挡圈分成A型（切口式：切口与侧面成22度夹角）、B型（闭口式）两种。,,,,,,,,,,,,,

挡圈的代号由二组数字表示。,,,,,,,,,,,,,

,,例：挡圈A20×16GB1235-75,,,,,,,,,,,

,A型（切口式）外径20内径16,,,,,,,,,,,,

挡圈尺寸系列,,,,,,,,,,,,,

O型密封圈,,挡圈,,,,,O型密封圈,,挡圈,,,,

公称外径D,断面直径d0,外径,,内径,,厚度T,公称外径D,断面直径d0,外径,,内径,,厚度T

,,D2,偏差,d2,偏差,,,,D2,偏差,d2,偏差,

5,1.9,5,-0.14,2,+0.14,1.25±0.1,70,3.1,70,-0.25,65,+0.25,1.5±0.12

6,,6,,3,,,75,,75,,70,,

7,,7,,4,,,80,,80,,75,,

8,,8,,5,,,85,,85,,80,,

9,,9,,6,,,90,,90,,85,,

10,,10,,7,,,95,,95,,90,,

11,,11,,8,,,100,,100,,95,,

12,,12,,9,,,105,,105,,100,,

13,,13,,10,,,110,,110,,105,,

(14),,(14),,11,,,115,,115,,110,,

14,2.4,14,,10,,,120,,120,,115,,

15,,15,,11,,,125,,125,,120,,

16,,16,,12,,,130,,130,,125,,

18,,18,,14,,,135,,135,,130,,

19,,19,,15,,,140,,140,,135,,

20,,20,,16,,,145,,145,,140,,

22,,22,,18,,,150,,150,,145,,

24,,24,,20,,,155,,155,,150,,

25,,25,,21,,,160,,160,,155,,

26,,26,,22,,,165,,165,,160,,

28,3.1,28,-0.2,23,+0.2,1.5±0.12,28,3.5,28,-0.2,22,+0.2,

30,,30,,25,,,30,,30,,24,,

32,,32,,27,,,31,,31,,25,,

35,,35,,30,,,32,,32,,26,,

38,,38,,33,,,34,,34,,28,,

40,,40,,35,,,35,,35,,29,,

45,,45,,40,,,36,,36,,30,,

50,,50,,45,,,38,,38,,32,,

55,,55,,50,,,40,,40,,34,,

60,,60,,55,,,41,,41,,35,,

63,,63,-0.25,58,+0.25,,42,,42,,36,,

65,,65,,60,,,44,,44,,38,,

68,,68,,63,,,45,,45,,39,,

O型密封圈,,挡圈,,,,,O型密封圈,,挡圈,,,,

公称外径D,断面直径d0,外径,,内径,,厚度T,公称外径D,断面直径d0,外径,,内径,,厚度T

,,D2,偏差,d2,偏差,,,,D2,偏差,d2,偏差,

50,3.5,50,-0.2,44,+0.2,1.5±0.12,290,5.7,290,-0.25,280,+0.25,2±0.12

51,,51,,45,,,300,,300,,290,,

54,,54,,48,,,170,8.6,170,,155,,2.5±0.25

55,,55,,49,,,175,,175,,160,,

56,,56,,50,,,180,,180,,165,,

(50),5.7,50,-0.25,40,0.25,2±0.12,185,,185,,170,,

(55),,55,,45,,,190,,190,,175,,

60,,60,,50,,,195,,195,,180,,

63,,63,,53,,,200,,200,,185,,

65,,65,,55,,,205,,205,,190,,

70,,70,,60,,,210,,210,,195,,

73,,73,,63,,,215,,215,,200,,

75,,75,,65,,,220,,220,,205,,

80,,80,,70,,,225,,225,,210,,

85,,85,,75,,,230,,230,,215,,

90,,90,,80,,,235,,235,,220,,

95,,95,,85,,,240,,240,,225,,

100,,100,,90,,,245,,245,,230,,

105,,105,,95,,,250,,250,,235,,

110,,110,,100,,,255,,255,,240,,

115,,115,,105,,,260,,260,,245,,

120,,120,,110,,,265,,265,,250,,

125,,125,,115,,,275,,275,,260,,

130,,130,,120,,,280,,280,,265,,

135,,135,,125,,,290,,290,,275,,

140,,140,,130,,,295,,295,,280,,

145,,145,,135,,,300,,300,,285,,

150,,150,,140,,,305,,305,,290,,

155,,155,,145,,,310,,310,,295,,

160,,160,,150,,,315,,315,,300,,

165,,165,,155,,,320,,320,,305,,

170,,170,,160,,,330,,330,,315,,

175,,175,,165,,,335,,335,,320,,

180,,180,,170,,,350,,350,,335,,

185,,185,,175,,,355,,355,,340,,

190,,190,,180,,,360,,360,,345,,

195,,195,,185,,,370,,370,,355,,

200,,200,,190,,,375,,375,,360,,

205,,205,,195,,,380,,380,,365,,

210,,210,,200,,,390,,390,,375,,

220,,220,,210,,,395,,395,,380,,

230,,230,,220,,,400,,400,,385,,

240,,240,,230,,,415,