Safety & Relief Valves〈The high-pressure gas certifications. NK type approval acquisition of the safety valve for liquefied gas transport ships〉

It operates, when the pressure in equipment rises abnormally, and destruction of tank, pipe, or equipment etc is prevented.

Full- bore Safety and Relief Valves
〈S-K100 Series〉

Model code Nominal diameter
（A）		 Material Setting pressure range(MPa) Max. service temperature(℃) Fluid Remarks
Body Critical Part
100FBC
100FBL		 -DSF 15 to 50 FCD400 SUS304 0.07 to 1.6
(only 50A : 0.07 to 1.2)		 225 Air,Steam,Water,Oil,Gas  
100FBC
100FBL		 -FSF 65 to 200 FC200 SUS304
or SCS13		 0.07 to 1.0 220 Air,Steam,Water,Oil,Gas  
100FBC
100FBL		 -BSF 15 to 200 CAC406 SUS304
or SCS13		 0.07 to 1.6
(More than 50A : 0.07 to 1.0)		 225 Air,Steam,Water,Oil,Gas  
100FBC
100FBL		 -SSF 20 to 200 SCPH2 SUS304
or SCS13		 0.07 to 3.5
(More than 125A : 0.07 to 1.6)		 225 Air,Steam,Water,Oil,Gas  
100FBC -ANF 15 to 200 SCS13A SUS304
or SCS13		 0.07 to 3.5
(More than 125A : 0.07 to 1.6)		 225 Air,Steam,Water,Oil,Gas  
100FBC -ASF 15 to 200 SCS14A SUS316
or SCS14		 0.07 to 3.5
(More than 125A : 0.07 to 1.6)		 225 Air,Steam,Water,Oil,Gas  
100FBC -ALF 15 to 200 SCS16A SUS316L
or SCS16		 0.07 to 3.5
(More than 125A : 0.07 to 1.6)		 225 Air,Steam,Water,Oil,Gas  
100FBCK -ANF 15 to 200 SCS13A SUS
or SCS		 0.07 to 3.5
(More than 125A : 0.07 to 1.6)		 400 Air,Steam,
Gas		 High-Temper－ature type
100FBLK -SSF 20 to 200 SCPH2

Notes: Models with a setting pressure exceeding the upper limit listed above are also available.Please consult us for details.

〈S-K102 Series〉

Model code Nominal diameter
（A）		 Material Setting pressure range(MPa) Max. service temperature(℃) Fluid Remarks
Body Critical Part
102FBC
102FBL		 -SSF-B 15 to 100 SCPH2 SUS304 0.07 to 2.2 300 Air,Steam,
Gas		  
102FBC
102FBL		 -SSF-C 15 to 100 SCPH2 SUS304 2.21 to 3.5 300 Air,Steam,
Gas		  
102FBC -ANF-B 15 to 100 SCS13A SUS304 0.07 to 2.2 300 Air,Steam,
Gas		  
-ANF-C 2.21 to 3.5
102FBC -ASF-B 15 to 100 SCS14A SUS316 0.07 to 2.2 300 Air,Steam,
Gas		  
-ASF-C 2.21 to 3.5
102FBC -ALF-B 15 to 100 SCS16A SUS316L 0.07 to 2.2 300 Air,Steam,
Gas		  
-ALF-C 2.21 to 3.5

Low-lift Safety and Relief Valves
〈Screwed type〉

Model code Nominal diameter
（A）		 Material Setting pressure range(MPa) Max. service temperature(℃) Fluid Remarks
Body Critical Part
LCH
LLH		 -BSS 15 to 50 SUS SUS 0.03 to 1.0 220 Air,Steam,
Gas		  
LCH
LLH		 -BSS-A 15 to 40 SUS SUS 1.01 to 1.6
0.03 to 1.6(for liquid)		 220 Air,Steam,Water,Oil,Gas  
LCH -ANS 20 to 25 SUS SUS 0.03 to 1.0 220 Air,Steam,
Gas		  

〈Flanged type (Small size)〉

Model code Nominal diameter
（A）		 Material Setting pressure range(MPa) Max. service temperature(℃) Fluid Remarks
Body Critical Part
LCU
LLU		 -BSF 15 to 50 CAC406 SUS630 0.03 to 1.6 205 Air,Steam,Water,Oil,Gas  
LCU
LLU		 -SSF 20 to 50 SCPH2 SUS630 0.03 to 3.5 225 Air,Steam,Water,Oil,Gas  
LCU -ANF 15 to 50 SCS13A SUS630 0.03 to 2.5 225 Air,Steam,Water,Oil,Gas  
LCU -ASF 15 to 50 SCS14A SUS316 0.03 to 2.5 225 Air,Steam,Water,Oil,Gas  
LCU -ALF 15 to 50 SCS16A SUS316L 0.03 to 2.5 225 Air,Steam,Water,Oil,Gas  

〈Flanged type (Large size)〉

Model code Nominal diameter
（A）		 Material Setting pressure range(MPa) Max. service temperature（℃） Fluid Remarks
Body Critical Part
LC
LL		 -FSF 65 to 125 FC200 SUS304
or SCS13		 0.03 to 1.0 225 Air,Steam,Water,Oil,Gas

 
LC
LL		 -SSF 65 to 125 SCPH2 SUS304
or SCS13		 0.03 to 3.5 225 Air,Steam,Water,Oil,Gas

 
LC -ANF 65 to 125 SCS13A SUS304
or SCS13		 0.03 to 2.5 225 Air,Steam,Water,Oil,Gas

 
LC -ASF 65 to 125 SCS14A SUS316
or SCS14		 0.03 to 2.5 225 Air,Steam,Water,Oil,Gas

 
LC -ALF 65 to 125 SCS16A SUS316L
or SCS16		 0.03 to 2.5 225 Air,Steam,Water,Oil,Gas

 

Notes: Models with a setting pressure exceeding the upper limit listed above are also available.Please consult us for details.

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