Spirax Sarco 211 - Page 9

IM-S03-08 ST Issue 3
9
Table 1 Recommended tightening torques
Item No Size of trap
or
N m (lbf ft)
mm
2 (6 off) ½" - DN15 M8 x 35 18 - 22 (13 - 16)
2 (8 off) ¾" - DN20 M10 x 40 16 - 20 (12 - 15)
2 (10 off) 1" - DN25 M12 x 60 24 - 28 (18 - 21)
2 (12 off) 1½" - DN40 M16 x 75 60 - 66 (44 - 32)
2 (12 off) 2" - DN50 M16 x 75 64 - 70 (47 - 51)
½" - DN15 2BAx
5
/ 16" 4 - 5 (3 - 4)
¾" - DN20 2BAx
5
/ 16" 4 - 5 (3 - 4)
6 1" - DN25 ¼" WHITx ½" 10 - 12 (7 - 9)
1½" - DN40 ¼" WHITx ½" 10 - 12 (7 - 9)
2" - DN50
5
/ 16 " WHIT x ½" 14 - 16 (10 - 12)
½" - DN15 ½" A/F 23 - 27 (17 - 20)
¾" - DN20
5
/8" A/F 40 - 44 (29 - 32)
9 1" - DN25
7
/8" A/F 80 - 88 (59 - 65)
1½" - DN40 1¼" A/F 175 - 190 (129 - 140)
2" - DN50 1½" A/F 270 - 300 (199 - 220)
12
½" - 2"
1½" A/F 60 - 70 (44 - 51)
DN15 - DN50
Fig. 4 Screwed version shown
2
9
6
12
7
11
5