LESER Compact Performance Safety Valve Type 459
LESER Compact Performance Safety Valve Type 459
LESER Compact Performance Safety Valve Type 459

Compact Performance

Type 459 CC

Safety valve for the Chinese market with metal to metal sealing or sealing plate

Approvals

LESER Compact Performance safety valves of Type 459 CC are designed, marked, produced and approved according to the requirements of the following regulations:

  • LESER ASME Approvel
  • LESER Chinese TS Approvel

Technical specifications Type 459 CC

Nominal Diameter Inlet - Thread
1/2" - 1 1/2" | 1/2" - 1 1/2"
Nominal Diameter Inlet - Flange
DN 15 - DN 25 | 1/2" - 1"
Actual Orifice Diameter d₀
9 - 17.5 mm | 0.354 - 0.689 in
Actual Orifice Area A₀
63.6 - 241 mm² | 0.099 - 0.374 in²
Pressure
0.2 - 250 bar | 2.9 - 3626 psig
Flange Rating Inlet
PN 40 - PN 400 | CL150 - CL2500
Temperature (in accordance with DIN EN)
-273 to 450 °C | -459 to 842 °F
Temperatur (nach ASME)
-196 to 450 °C | -321 to 842 °F
Material Outlet Body
SA 216 WCB, SA 351 CF8M
Material inlet body
1.4104, 1.4404 | SA 479 316L
Valve Connection
Thread acc. to DIN ISO 228-1, ISO 7-1 / BS 21 or ASME B1.20.1, Flange acc. to ASME B16.5
Bellows Material (optional)
Stainless steel 316Ti
Load Type
Spring loaded
Approvals
ASME Sec. VIII Div. 1, TS, AQSIQ
Classification societies
CCS
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