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