Leser - 4412.4522
High performance safety valve, type 441 DIN,
closed bonnet, gas-tight cap H2,
for vapours, gases and liquids
**with J23 O-Ring-Teller
Technical specification:
Order code output, line 1: K7TM33MB1K4XH03K3FP2AJ36X00H88
Order code output, line 2: H84H51H47H22L8JL64J59J23H01
Medium: gases
gases
Housing material: (H22)
Housing made of material 1.0619 (GP240GH)
(with triple certificate: WCB,WCC,1.0619)
Nominal size inlet DN 32
Nominal size outlet DN 50
d0 (ASME-DIN) [mm] 29.0
Discharge coefficient D/G: 0.70
Coefficient of discharge F: 0.45
Flange rating inlet (H47)
PN 40 according to DIN EN 1092
Flange rating outlet (H51)
PN 16 according to DIN EN 1092
Flange facing inlet: (H84)
Form B1 (rough) according to DIN EN 1092
Flange sealing surface outlet: (H88)
Form B1 (rough) according to DIN EN 1092
Response pressure: 25.00
Pressure unit: bar-g
Response pressure [bar-g] 25.00
Set pressure in psi-g: 362.59
Cold set pressure [bar-g] 25.00
Cold Set Pressure [psi-g] 362.59
Operating temperature: 50
Temperature unit: °C - Celsius
Operating temperature [°C] 50.00
Operating temperature in °F: 122
Plate, metallic / Wst.: (J59)
made of material: 1.4104/ 430F
Plate, soft sealing: (J23)
with soft seal FKM "L"(Viton, Fluorel, Technoflon)
Sealing ring material: (MB1)
Sealing ring made of graphite/1.4401
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
Guide washer material: (K3F)
Guide washer material: 1.0501
Spindle material (K4X)
Spindle material:1.4021
Pressure screw material: (K7T)
1.4104/ 430F + PTFE/ glass
Stud bolts material item 55 (L8J)
Material stud bolts Item 55: 1.7225/ SA-193 B7/ SA-320 L7
Hexagon nuts material item 56 (L9J)
Material hexagon nuts item 56: 1.7225 / SA-194 size 7 / SA-320 7L
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: PSV201
TAG no., valve 2: ???
Type and position of the TAG No.: (M25)
Labeling with tag (foil / paper)
General information
Attachment: design calculation
technical advice
Please note the following:
Due to the volume flow of 7500 Nm³/h to be discharged, we offer deviating from the
Request to.
Please take the calculation data from the design calculation sent with you.
![High performance safety valve, type 456,
closed spring hood, gas-tight lifting H4,
for vapours, gases and liquids
Technical specification:
Order code output, line 1: K7TM33MB1K4ZH03K3FP2AJ36X00H88
Order code output, line 2: L36H15H11H22L8JL64H42L49H01
Housing material: (H22)
Housing made of material 1.0619 (GP240GH)
(with triple certificate: WCB,WCC,1.0619)
Nominal size inlet DN 25
Nominal size outlet DN 50
d0 (ASME-DIN) [mm] 20.0
Discharge coefficient D/G: 0.80
Coefficient of discharge F: 0.60
Flange rating inlet (H11)
PN 160 according to DIN EN 1092
Flange rating outlet (H15)
PN 40 according to DIN EN 1092
Flange sealing surface inlet: (L36)
Form B2 (fine) according to DIN EN 1092
Flange sealing surface outlet: (H88)
Form B1 (rough) according to DIN EN 1092
Response pressure: 55.00
Pressure unit: bar-g
Response pressure [bar-g] 55.00
Set pressure in psi-g: 797.71
Cold set pressure [bar-g] 55.00
Cold Set Pressure [psi-g] 797.71
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
Spring cap material: (J36)
0.7043 (GGG 40.3)
Spring material (X00)
standard material
Clamps: (H42)
Clamps drilled
Color scheme: (P2A)
1-layer coating system in RAL 5005 according to LID 1608.03
Guide washer material: (K3F)
Guide washer material: 1.0501
Spindle material (K4Z)
Spindle material: 1.4404/ 316L
Pressure screw material: (K7T)
1.4104/ 430F + PTFE/ glass
Stud bolts material item 55 (L8J)
Material stud bolts Item 55: 1.7225/ SA-193 B7/ SA-320 L7
Hexagon nuts material item 56 (L9J)
Material hexagon nuts item 56: 1.7225 / SA-194 size 7 / SA-320 7L
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: TH5. 11/5.273-B
TAG No., Valve 2: TH5. 11/5.273-B
Type and position of the TAG No.: (M25)
Labeling with tag (foil / paper)
Type and position of the TAG No.: (M29)
Labeling with stainless steel tag, lettering height 3 mm](/image122/leserleser-13-bar.JPG "4562.6014")