แหวนเหล็กJIS/10

แหวนเหล็ก JIS/10 (BACKING RING JIS/10)

 แหวนเหล็ก JIS/10 (BACKING RING JIS/10)  แหวนเหล็ก JIS/10 (BACKING RING JIS/10)
Flange

DN

(mm)

Pipe Size OD

 

(mm)

ID

 

(mm)

PCD

 

(mm)

H

 

(mm)

Bolts
d

(mm)

Thread

Size

Number
(mm) (inch)
15 20 1/2 95 31 70 12 15 M12 (1/2”) 4
20 25 3/4 100 36 75 14
25 32 1 125 43 90 19 M16 (5/8”)
32 40 1 1/4 135 53 100 16
40 50 1 1/2 140 64 105
50 63 2 155 78 120
65 75 2 1/2 175 91 140 18
80 90 3 185 108 150 8
100 110 4 210 128 175
125 - 135
125 140 5 250 158 210 20 23 M20 (3/4”)
150 160 6 280 178 240 22
180 - 188
200 200 - 330 235 290 12
225 8 238
250 250 - 400 288 355 24 25 M22 (7/8”)
280 10 294
300 315 12 445 338 400 16
350 355 - 490 376 445 26
400 400 - 560 430 510 28 27 M24 (1”)
450(1) 450 18 620 483 565 30 20
500 450 18 675 517 620
500 - 533
550(1) 560 22 745 596 680 32 33 M30 (11/2”)
600 560 22 795 618 730 24
630 - 645
700 710 - 905 740 840 34