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Compact Performance safety valve, type 437,
closed bonnet, gas-tight cap H2,
for vapours, gases and liquids
Technical specification:
Order code output, line 1: K7UM33K4ZH03X00V54V65L44MA5H01
E-body material : 1.4404/316L
1.4404 / 316L
Outlet body material: (MA5)
1.4401/ 1.4404/ 316/ 316L
Outlet nozzle Material: n.a.
A flange material: n.a.
Weighted Connection Entry: (V54)
External thread G 1/2" according to DIN ISO 228-1
Threaded outlet: (V65)
Internal thread G 1/2" according to DIN ISO 228-1
Nominal size inlet G 1/2"
Nominal size outlet G 1/2"
Pressure stage entry PN 250
Pressure level outlet PN 160
d0 (ASME-DIN) [mm] 10.0
Discharge coefficient D/G: 0.50
Coefficient of discharge F: 0.35
Response pressure: 50.00
Pressure unit: bar-g
Response pressure [bar-g] 50.00
Set pressure in psi-g: 725.19
Cold set pressure [bar-g] 50.00
Cold Set Pressure [psi-g] 725.19
Operating temperature: 40
Temperature unit: °C - Celsius
Operating temperature [°C] 40.00
Operating temperature in °F: 104
Plate, metallic / material: (L44)
made of material 1.4404/ 316L
Spindle material (K4Z)
Spindle material: 1.4404/ 316L
Pressure screw material: (K7U)
1.4401/ 1.4404/ 316/ 316L + PTFE/ glass
Lifting / cap material: (K8T)
Lifting / cap material: 1.4404/ 316L
Spring 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
4374.3142

Leser
Compact Performance safety valve, type 437, closed bonnet, gas-tight cap H2, for vapours, gases and liquids Technical specification: Order code output, line 1: K7UM33K4ZH03X00V54V65L44MA5H01 E-body material : 1.4404/316L 1.4404 / 316L Outlet body material: (MA5) 1.4401/ 1.4404/ 316/ 316L Outlet nozzle Material: n.a. A flange material: n.a. Weighted Connection Entry: (V54) External thread G 1/2" according to DIN ISO 228-1 Threaded outlet: (V65) Internal thread G 1/2" according to DIN ISO 228-1 Nominal size inlet G 1/2" Nominal size outlet G 1/2" Pressure stage entry PN 250 Pressure level outlet PN 160 d0 (ASME-DIN) [mm] 10.0 Discharge coefficient D/G: 0.50 Coefficient of discharge F: 0.35 Response pressure: 50.00 Pressure unit: bar-g Response pressure [bar-g] 50.00 Set pressure in psi-g: 725.19 Cold set pressure [bar-g] 50.00 Cold Set Pressure [psi-g] 725.19 Operating temperature: 40 Temperature unit: °C - Celsius Operating temperature [°C] 40.00 Operating temperature in °F: 104 Plate, metallic / material: (L44) made of material 1.4404/ 316L Spindle material (K4Z) Spindle material: 1.4404/ 316L Pressure screw material: (K7U) 1.4401/ 1.4404/ 316/ 316L + PTFE/ glass Lifting / cap material: (K8T) Lifting / cap material: 1.4404/ 316L Spring 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

API Series Safety Valve, Type 526,
Orifice D,
closed bonnet, gas-tight cap H2,
for vapours, gases and liquids

Technical specification:
Order code output, line 1: K7RK2SK2RMB1K4XH03M68K3FP86J99
Order code output, line 2: X00L39H89H79H64H22L8JK1EL44H01
Housing material: (H22)
Housing made of material 1.0619 (GP240GH)
(with triple certificate: WCB,WCC,1.0619)
Size inlet NPS 1"
Size outlet NPS 2"
d0 (ASME-DIN) [mm] 14.0
Discharge coefficient D/G: 0.45
Discharge coefficient F: 0.32
Flange rating inlet (H64)
150 lbs per ASME B 16.5
Flange rating outlet (H79)
150 lbs per ASME B 16.5
Flange facing inlet: (H89)
serrated spiral finish (Ra = 3.2 - 6.3μm) according to ASME B16.5
Flange sealing surface outlet: (L39)
serrated spiral finish (Ra = 3.2 - 6.3μm) according to ASME B16.5
Response pressure: 10.50
Pressure unit: bar-g
Response pressure [bar-g] 10.50
Set pressure in psi-g: 152.29
Self-back pressure: 1.05
Cold set pressure [bar-g] 10.50
Cold Set Pressure [psi-g] 152.29
Operating temperature: 42
Temperature unit: °C - Celsius
Operating temperature [°C] 42.00
Operating temperature in °F: 108
Seat Liner Material (K1E)
Seat bush material: 1.4408 / ASME SA-351 CF8M
Plate, metallic / material: (L44)
made of material 1.4404/ 316L
Guide washer material: (K3F)
Guide washer material: 1.0501
Spindle material (K4X)
Spindle material:1.4021
Collar material: (K2S)
Locking screw material: (K2R)
Spring cap material: (J99)
Spring cap material 1.0619/ WCB/ WCC
Spring material (X00)
standard material
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
Color scheme: (P86)
Corrosion protection C5M according to ISO 12944 and Norsok Standard M-501 for unalloyed
Steels (-50°C to 120°C) in RAL 5005 according to LID 1608.09
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
Documentation: (M68)
Acceptance test certificate 3.1 according to DIN EN 10204:
Hydrostatic pressure test of housing and
other pressure-bearing components according to LGS 0209
TAG no., valve 1: 10QJB50AA901
TAG no., valve 2: 11QJB50AA901
TAG no., valve 3: 12QJB50AA901
Type and position of the TAG No.: (M25)
Labeling with tag (foil / paper)
additional License plate specification: (M30)
Component test label, fastened with stainless steel notched nails
General information
Version according to serial number 10973003
5262.0012

Leser
API Series Safety Valve, Type 526, Orifice D, closed bonnet, gas-tight cap H2, for vapours, gases and liquids Technical specification: Order code output, line 1: K7RK2SK2RMB1K4XH03M68K3FP86J99 Order code output, line 2: X00L39H89H79H64H22L8JK1EL44H01 Housing material: (H22) Housing made of material 1.0619 (GP240GH) (with triple certificate: WCB,WCC,1.0619) Size inlet NPS 1" Size outlet NPS 2" d0 (ASME-DIN) [mm] 14.0 Discharge coefficient D/G: 0.45 Discharge coefficient F: 0.32 Flange rating inlet (H64) 150 lbs per ASME B 16.5 Flange rating outlet (H79) 150 lbs per ASME B 16.5 Flange facing inlet: (H89) serrated spiral finish (Ra = 3.2 - 6.3μm) according to ASME B16.5 Flange sealing surface outlet: (L39) serrated spiral finish (Ra = 3.2 - 6.3μm) according to ASME B16.5 Response pressure: 10.50 Pressure unit: bar-g Response pressure [bar-g] 10.50 Set pressure in psi-g: 152.29 Self-back pressure: 1.05 Cold set pressure [bar-g] 10.50 Cold Set Pressure [psi-g] 152.29 Operating temperature: 42 Temperature unit: °C - Celsius Operating temperature [°C] 42.00 Operating temperature in °F: 108 Seat Liner Material (K1E) Seat bush material: 1.4408 / ASME SA-351 CF8M Plate, metallic / material: (L44) made of material 1.4404/ 316L Guide washer material: (K3F) Guide washer material: 1.0501 Spindle material (K4X) Spindle material:1.4021 Collar material: (K2S) Locking screw material: (K2R) Spring cap material: (J99) Spring cap material 1.0619/ WCB/ WCC Spring material (X00) standard material 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 Color scheme: (P86) Corrosion protection C5M according to ISO 12944 and Norsok Standard M-501 for unalloyed Steels (-50°C to 120°C) in RAL 5005 according to LID 1608.09 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 Documentation: (M68) Acceptance test certificate 3.1 according to DIN EN 10204: Hydrostatic pressure test of housing and other pressure-bearing components according to LGS 0209 TAG no., valve 1: 10QJB50AA901 TAG no., valve 2: 11QJB50AA901 TAG no., valve 3: 12QJB50AA901 Type and position of the TAG No.: (M25) Labeling with tag (foil / paper) additional License plate specification: (M30) Component test label, fastened with stainless steel notched nails General information Version according to serial number 10973003