Watts 77F-DI-250 User Manual
Page 2
A
B
C
NPT
D
Clearance
for screen
removal
Pressure Drop
Flow
Pressure Drop vs. Flow
Materials
Dimensions — Weights
A
B
C
D
E
F
A Body
Ductile Iron A395
B Cover
Ductile Iron A395
C Screen
304 Stainless Steel
D Plug
Cast Iron, A126-B
E Bolt/Stud
A307-B
F Nut
A563
kPa psi
69 10
7 1.0
1 0.1
10
100
1000
10000
gpm
38
380
3800
38000
lpm
SizE (DN)
DimENSioNS
WEighT
A B
C D
in. mm
in. mm in. mm
in. mm
in. mm
lbs. kgs
2 50 8
7
⁄
8
226 6
1
/
2
165
1
/
2
15 9
1
/
8
232
28 13
2
1
⁄
2
65 11
1
⁄
4
289
7 178
1 25
9
7
/
8
251
38 17
3 75 11
5
⁄
8
295
8 203
1 25 11
1
/
4
286
54 24
4 100 14
1
⁄
2
368 10
3
⁄
4
273
1 25
15 381
110 50
5 125 17
3
⁄
8
441 13
1
/
2
343
1
1
/
4
32
19 483 160 73
6 150 18
3
/
4
476 16
1
/
4
413
1
1
/
2
40 22
3
/
4
578
224 102
8 200 21
7
/
8
556 19
1
/
2
495
1
1
/
2
40 27
3
/
4
692
468 212
10 250 27
1
/
4
692 21
1
/
4
540
2 50
29
3
/
4
756
590 268
12 300 31
3
/
8
797 25 635
2 50
35 889
890 404
2”
2
1
⁄
2
”
3”
4”
5”
6”
8”
10” 12”
ES-77F-DI-250 1307
© 2013 Watts
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
A Watts Water Technologies Company