| series: |
| Flanged check valve |
F5 |
| Foot valve |
55 |
| Threaded check valve |
T5 |
| Interflanged check
valve without spring |
06 |
| Interflanged check
valve with spring |
M6 |
| Disk check valve |
W6 |
| Interflanged dual-plate
check valve |
D6 |
| F/F Y check valve |
Y6 |
| Swing check valve |
S6 |
| Flanged ball check
valve |
F7 |
| Threaded ball check
valve |
T7 |
| Venturi Split Body |
S16 |
| Venturi Monobloc |
M16 |
| Butterfly check valve |
017 |
|
| body materials: |
| G25 |
0 |
| GS400 |
1 |
| Brass |
2 |
| Bronze |
3 |
| Carb steel/WCB |
4 |
| GS500 |
5 |
| AISI 316 |
6 |
| Al. Bronze |
7 |
| Aluminium |
8 |
|
| shutter and guide material : |
| GG25 or Brass |
0 |
| AISI 304 |
1 |
| AISI 316 |
2 |
| Carb steel/WCB |
3 |
| Bronze |
5 |
| Al. Bronze |
7 |
| Resin |
9 |
|
| seal (O-Ring - Vulcanisation): |
| NBR/Nitrile |
0 |
| EPDM |
1 |
| VITON®/FPM |
2 |
| P.T.F.E. |
3 |
| Metal/Metal |
6 |
| Silicon |
7 |
| rubber suitable for H20 |
8 |
|
| DN: |
|
| connection: |
| PN6 |
06 |
| PN10 |
10 |
| PN16 |
16 |
| PN40 |
40 |
| ANSI150 |
A1 |
| ANSI300 |
A3 |
| ANSI600 |
A6 |
| ANSI800 |
A8 |
| F/F thread |
FF |
| Threaded, cannot be inspected |
FN |
| M/F thread |
MF |
| M/M thread |
MM |
| Socket weld |
SW |
| Butt weld |
BW |
|
| spring: |
| AISI 302/303 |
A |
| AISI 304 |
B |
| AISI 316 |
C |
| INCONEL |
I |
| Springless |
X |
|
| Flange finish or thread type: |
| Standard step |
00 |
| Raised face |
RF |
| Flat face |
FF |
| UNI 228 – BSP cylindrical thread |
BS |
| NPT tapered thread |
NP |
|
| optional: |
| 1 threaded cap |
P1 |
| 2 threaded caps |
P2 |
| Special paint |
V1 |
|
