Leser - 4622.3772
Compact Performance safety valve, type 462,
soft seal,
closed bonnet, gas-tight cap H2,
for vapours, gases and liquids
Technical specification:
Order code output, line 1: K7RM33MB1K4XH03K3IP2AJ99X00V55
Order code issue, line 2: V66L44J23MA2H01
Medium: gases
gases
E-body material : 1.4404/316L
1.4404 / 316L
Weighted Connection Entry: (V55)
External thread G 3/4" according to DIN ISO 228-1
Threaded outlet: (V66)
Internal thread G 1" according to DIN ISO 228-1
Nominal size inlet G 3/4"
Nominal size outlet G 1"
Pressure stage entry PN 250
Pressure stage outlet PN 100
d0 (ASME-DIN) [mm] 9.0
Response pressure: 50.00
Pressure unit: bar-g
Response pressure [bar-g] 50.00
Set pressure in psi-g: 725.19
External back pressure: constant
constant external pressure
constant external back pressure: 17.00
cdtp calculation based on: differential pressure method/const.
Differential pressure method (response pressure minus external back pressure)
Cold set pressure [bar-g] 33.00
Cold Set Pressure [psi-g] 478.62
Operating temperature: 50
Temperature unit: °C - Celsius
Operating temperature [°C] 50.00
Operating temperature in °F: 122
Plate, metallic / material: (L44)
made of material 1.4404/ 316L
Plate, soft sealing: (J23)
with soft seal FKM "L"(Viton, Fluorel, Technoflon)
Sealing ring material: (MB1)
Sealing ring made of graphite/1.4401
Pressure screw material: (K7R)
Pressure screw material: 1.4104
Spring cap material: (J99)
Spring cap material 1.0619/ WCB/ WCC
Spring material (X00)
standard material
Color scheme: (P2A)
1-layer coating system in RAL 5005 according to LID 1608.03
Decrease: (M33)
Proof of testing the set pressure (TRB 513 4.2, TRD 504 3.3.4): EN
10204-3.2 (TÜV-Nord)
Material quality verification for: (H01)
Housing – Position 1 with material quality certificate 3.1 according to DIN EN 10204
Documentation: (H03)
LESER CGA Certificate for Global Application Inspection certificate 3.1 according to DIN
EN10204
TAG No., valve 1: PSV101
TAG no., valve 2: ???
Type and position of the TAG No.: (M25)
Labeling with tag (foil / paper)
Discharge coefficient D/G: 0.83
Coefficient of discharge F: 0.61
General information
Attachment: design calculation