Pressure Safety Valve
PRESSURE SAFETY VALVE
NSC Pressure safety valves provide overpressure protection with variety of set pressures. For application needing to vent system pressure to atmosphere. Special spring design ensures accurate pressure release and shut off.
Spring Selection Table:
| Pressure Range | Codes |
|---|---|
|
50-300psi |
C1 |
|
350-700psi |
C2 |
|
750-1500psi |
C3 |
|
1500-3000psi |
C4 |
|
3000-4000psi |
C5 |
|
4000-5000psl |
C6 |
|
5000-6000psl |
C7 |
Packing Selection Table :-
| Packing Material | Pressure/ Temperature |
|---|---|
|
Viton |
6000PSI / 200 deg. c |
|
Kalrez |
6000PSI / 250 deg. c |
Pressure Safety Valve Coding Table:
| Size | Code | Type | Code | MOC | Code | Seating | Code` | Pressure | Series | Code | Thread Type | Code |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
1/8″ |
2 |
Male |
M |
SS304 |
S4 |
Viton |
V |
6000psi |
Series2 |
P2 |
BSP |
B |
|
1/4″ |
4 |
Female |
F |
SS316 |
S6 |
Kalrez |
K |
– – – |
– – – |
– – – |
NPT |
N |
|
3/8″ |
6 |
Male x Female |
D |
HC276 |
H6 |
– – – |
– – – |
– – – |
– – – |
– – – |
OD |
D |
|
1/2″ |
8 |
OD |
O |
INC 625 |
15 |
– – – |
– – – |
– – – |
– – – |
– – – |
– – – |
– – – |
|
3/4″ |
10 |
– – – |
– – – |
Monel 400 |
M4 |
– – – |
– – – |
– – – |
– – – |
– – – |
– – – |
– – – |
|
1″ |
12 |
– – – |
– – – |
– – – |
– – – |
– – – |
– – – |
– – – |
– – – |
– – – |
– – – |
– – – |