6
7, 8, 9
5
10
16
15
14
13
11
17
3
2
15
14
1
4
1
12 13
A - B
A - C
B
C
A
Pentair reserves the right to change the contents without notice
page 6
Hygienic butterfly valves model F250 & F251
Appendix C - Assembly drawing F250 & 251 Wafer Style
Parts and spare parts
Ref. No. Qty. Description
Material
Spare part
1
2
Body half
W. Nr. 1.4404
2
1
Seat
VMQ, EPDM, NBR or FPM
X
3
1
Disc
W. Nr. 1.4404
4
2 Bearing
POM
X
5
1
Notch plate
W. Nr. 1.4301
6
1
Handle
Polymer or W. Nr. 1.4301
7
1
Spring washer
A2
8
1
Handle screw
A2
9
1 Plug
Nylon
10
4/6 Bolt
A2
11
4/6 Nut
A2
12
2
Jacking stud
A2
13 4 Nut
A2
14
2
Flange
W. Nr. 1.4404
15
2
Flange seal
VMQ, EPDM, NBR or FPM
16
2
Body screw
A2
17 2 Nut
A2
Ordering (spare) parts
When ordering spare parts, please include the
following information:
- The butterfly valve ordering code.
See appendix A.
- The size of the butterfly valve.
- The part ref. no.
- The quality of the seat or flange seal.
