代号1

Label 1

规格^a

Size

外径

Outside

diameter

最小长度

Minimum length

mm

镗孔直径

Diameter

of recess

承载面

宽度

Width of

bearing face

重量

Mass

kg

外径

Outside

diameter

D

mm

W

mm

短接箍

Short

N_L

长接箍

Long

N_L

Q^b

mm

b

mm

短接箍

Short

长接箍

Long

1

2

3

4

5

6

7

8

9

4-1/2

5

5-1/2

6-5/8

7

7-5/8

8-5/8

9-5/8

10-3/4

11-3/4

13-3/8

16

18-5/8

20

114.30

127.00

139.70

168.28

177.80

193.70

219.08

244.48

273.05

298.45

339.72

406.40

473.08

508.00

127.00

141.30

153.67

187.71

194.46

215.90

244.48

269.88

298.45

323.85

365.12

431.80

508.00

533.40

158.75

165.10

171.45

184.15

184.15

190.50

196.85

196.85

203.20

203.20

203.20

228.60

228.60

228.60

177.80

196.85

203.20

222.25

228.60

234.95

254.00

266.70

-

-

-

-

-

292.10

116.68

129.38

142.08

170.66

180.18

197.64

223.04

248.44

277.02

302.42

343.69

411.96

478.63

513.56

3.97

4.76

3.18

6.35

4.76

5.56

6.35

6.35

6.35

6.35

5.56

5.56

5.56

5.56

3.62

4.66

5.23

9.12

8.39

12.30

16.23

18.03

20.78

22.64

25.66

34.91

54.01

43.42

4.15

5.75

6.42

11.34

10.83

15.63

21.67

25.45

-

-

-

-

-

57.04

对于第1、2和3组，外径W的公差为±1%，但不大于±3.18mm。

For groups 1, 2 and 3 — Tolerance on outside diameter W, is ±1 % but not larger than ±3,18 mm.

对于第4组，外径W的公差为±1%，但不大于+3.18 –1.59mm。

For group 4 — Tolerance on outside diameter W, is ±1 % but not larger than +3.18 –1.59mm.

a. 接箍的规格代号和相应的管子规格代号相同。

The coupling specification label is the same as the corresponding pipe specification label.

b. 对于所有组，镗孔直径Q的公差为+0.79  0mm。

 Tolerance on diameter of recess, Q, for all groups is +0.79  0mm