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
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

Compact Performance safety valve, type 459,
closed spring hood, gas-tight lifting H4,
for vapours, gases and liquids
Weight: 5 KG / ST Commodity number: 84814010

Technical specification:
Order code output, line 1: K7RMB1K4XH03L50K3IP2AJ36X00V56
Order code issue, line 2: V67L49MA2H01
E body material: 1.4104/430
1.4104 / 430
Wrong Connection Entry: (V56)
External thread G 1" according to DIN ISO 228-1
Threaded outlet: (V67)
Internal thread G 1 1/2" according to DIN ISO 228-1
Nominal diameter entry G 1"
Nominal size outlet G 1 1/2"
Pressure stage entry PN 160
Pressure stage outlet PN 40
d0 (ASME-DIN) [mm] 17.5
Response pressure: 3.70
Pressure unit: bar-g
Response pressure [bar-g] 3.70
Set pressure in psi-g: 53.66
Cold set pressure [bar-g] 3.70
Cold Set Pressure [psi-g] 53.66
Operating temperature: 20
Temperature unit: °C - Celsius
Operating temperature [°C] 20.00
Operating temperature in °F: 68
Plate, metallic / material: (L49)
made of material: 1.4122
Sealing ring material: (MB1)
Sealing ring made of graphite/1.4401
Pressure screw material: (K7R)
Pressure screw material: 1.4104
Spring cap material: (J36)
0.7043 (GGG 40.3)
Spring material (X00)
standard material
Color scheme: (P2A)
1-layer coating system in RAL 5005 according to LID 1608.03
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
Pressure setting: (L50)
Valve set, but set pressure not stamped on nameplate
Discharge coefficient D/G: 0.79
Coefficient of discharge F: 0.52
Leser - 4593.2524

Compact Performance safety valve, type 459, closed spring hood, gas-tight lifting H4, for vapours, gases and liquids Weight: 5 KG / ST Commodity number: 84814010 Technical specification: Order code output, line 1: K7RMB1K4XH03L50K3IP2AJ36X00V56 Order code issue, line 2: V67L49MA2H01 E body material: 1.4104/430 1.4104 / 430 Wrong Connection Entry: (V56) External thread G 1" according to DIN ISO 228-1 Threaded outlet: (V67) Internal thread G 1 1/2" according to DIN ISO 228-1 Nominal diameter entry G 1" Nominal size outlet G 1 1/2" Pressure stage entry PN 160 Pressure stage outlet PN 40 d0 (ASME-DIN) [mm] 17.5 Response pressure: 3.70 Pressure unit: bar-g Response pressure [bar-g] 3.70 Set pressure in psi-g: 53.66 Cold set pressure [bar-g] 3.70 Cold Set Pressure [psi-g] 53.66 Operating temperature: 20 Temperature unit: °C - Celsius Operating temperature [°C] 20.00 Operating temperature in °F: 68 Plate, metallic / material: (L49) made of material: 1.4122 Sealing ring material: (MB1) Sealing ring made of graphite/1.4401 Pressure screw material: (K7R) Pressure screw material: 1.4104 Spring cap material: (J36) 0.7043 (GGG 40.3) Spring material (X00) standard material Color scheme: (P2A) 1-layer coating system in RAL 5005 according to LID 1608.03 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 Pressure setting: (L50) Valve set, but set pressure not stamped on nameplate Discharge coefficient D/G: 0.79 Coefficient of discharge F: 0.52