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

Compact Performance safety valve, type 459,
closed spring hood, gas-tight cap H2,
for vapours, gases and liquids

Technical specification:
Order code output, line 1: K7SMB1K4ZL50I63J54X00V55V66L44
Order code output, line 2: (MA3)
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 160
Pressure stage outlet PN 100
d0 (ASME-DIN) [mm] 13.0
Response pressure: 12.38
Pressure unit: bar-g
Response pressure [bar-g] 12.38
Set pressure in psi-g: 179.56
Cold set pressure [bar-g] 12.38
Cold Set Pressure [psi-g] 179.56
Operating temperature: 20
Temperature unit: °C - Celsius
Operating temperature [°C] 20.00
Operating temperature in °F: 68
Plate, metallic / material: (L44)
made of material 1.4404/ 316L
Sealing ring material: (MB1)
Sealing ring made of graphite/1.4401
Pressure screw material: (K7S)
Pressure screw material: 1.4404/ 316L
Spring cap material: (J54)
Spring cap material 1.4408 / CF8M, cast version
Spring material (X00)
standard material
Pressure setting: (L50)
Valve set, but set pressure not stamped on nameplate
Discharge coefficient D/G: 0.81
Coefficient of discharge F: 0.53

General information
Like serial no. 11600360. That means without certificates, approvals and without setting
the response pressure.
Please check whether this is what you want.
Leser - 4594.2172

Compact Performance safety valve, type 459, closed spring hood, gas-tight cap H2, for vapours, gases and liquids Technical specification: Order code output, line 1: K7SMB1K4ZL50I63J54X00V55V66L44 Order code output, line 2: (MA3) 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 160 Pressure stage outlet PN 100 d0 (ASME-DIN) [mm] 13.0 Response pressure: 12.38 Pressure unit: bar-g Response pressure [bar-g] 12.38 Set pressure in psi-g: 179.56 Cold set pressure [bar-g] 12.38 Cold Set Pressure [psi-g] 179.56 Operating temperature: 20 Temperature unit: °C - Celsius Operating temperature [°C] 20.00 Operating temperature in °F: 68 Plate, metallic / material: (L44) made of material 1.4404/ 316L Sealing ring material: (MB1) Sealing ring made of graphite/1.4401 Pressure screw material: (K7S) Pressure screw material: 1.4404/ 316L Spring cap material: (J54) Spring cap material 1.4408 / CF8M, cast version Spring material (X00) standard material Pressure setting: (L50) Valve set, but set pressure not stamped on nameplate Discharge coefficient D/G: 0.81 Coefficient of discharge F: 0.53 General information Like serial no. 11600360. That means without certificates, approvals and without setting the response pressure. Please check whether this is what you want.

Compact Performance safety valve, type 459,
closed spring hood, gas-tight cap H2,
for vapours, gases and liquids
 

Technical specification:
Order code output, line 1: K7SM33MB1K4ZH03I63J54X00I31I49
Order code output, line 2: L44MA9MA3MA8MA6H01
E-body material : 1.4404/316L
1.4404 / 316L
Fl.Conn.Entry: (I31)
DN 25 PN 40 according to DIN EN 1092
Flow connection outlet: (I49)
DN 40 PN 40 according to DIN EN 1092
Nominal size inlet DN 25
Nominal size outlet DN 40
Pressure stage entry PN 40
Pressure stage outlet PN 40
d0 (ASME-DIN) [mm] 13.0
Response pressure: 40.00
Pressure unit: bar-g
Response pressure [bar-g] 40.00
Set pressure in psi-g: 580.15
Cold set pressure [bar-g] 40.00
Cold Set Pressure [psi-g] 580.15
Operating temperature: 20
Temperature unit: °C - Celsius
Operating temperature [°C] 20.00
Operating temperature in °F: 68
Plate, metallic / material: (L44)
made of material 1.4404/ 316L
Sealing ring material: (MB1)
Sealing ring made of graphite/1.4401
Pressure screw material: (K7S)
Pressure screw material: 1.4404/ 316L
Spring cap material: (J54)
Spring cap material 1.4408 / CF8M, cast version
the material (X00)
standard material
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
Discharge coefficient D/G: 0.81
Coefficient of discharge F: 0.53
Leser - 4594.2172

Compact Performance safety valve, type 459, closed spring hood, gas-tight cap H2, for vapours, gases and liquids Technical specification: Order code output, line 1: K7SM33MB1K4ZH03I63J54X00I31I49 Order code output, line 2: L44MA9MA3MA8MA6H01 E-body material : 1.4404/316L 1.4404 / 316L Fl.Conn.Entry: (I31) DN 25 PN 40 according to DIN EN 1092 Flow connection outlet: (I49) DN 40 PN 40 according to DIN EN 1092 Nominal size inlet DN 25 Nominal size outlet DN 40 Pressure stage entry PN 40 Pressure stage outlet PN 40 d0 (ASME-DIN) [mm] 13.0 Response pressure: 40.00 Pressure unit: bar-g Response pressure [bar-g] 40.00 Set pressure in psi-g: 580.15 Cold set pressure [bar-g] 40.00 Cold Set Pressure [psi-g] 580.15 Operating temperature: 20 Temperature unit: °C - Celsius Operating temperature [°C] 20.00 Operating temperature in °F: 68 Plate, metallic / material: (L44) made of material 1.4404/ 316L Sealing ring material: (MB1) Sealing ring made of graphite/1.4401 Pressure screw material: (K7S) Pressure screw material: 1.4404/ 316L Spring cap material: (J54) Spring cap material 1.4408 / CF8M, cast version the material (X00) standard material 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 Discharge coefficient D/G: 0.81 Coefficient of discharge F: 0.53