Rupture Disks and Non-Reclosing Pressure Relief Devices in Combination with Pressure Relief Valves

The combination below have been tested for the capacity in accordance with part UG-132, Section 8, Division 1 of the ASME Pressure Vessel CO, and the following "Combination Factors" have been approved by the National Board of Boiler and Pressure Vessel Inspectors. These approvals are listed in Section IV, Pages 194-197.

Note: The combination capacity factor is to be used as a multiplier to the rated capacity. These factors may be use for all valves per size set at the minimum set pressure or higher. For valves with a lower set pressure than those shown, use a .9 combination capacity factor.

VALVE MANUFACTURER: ANDERSON, GREENWOOD CROSBY
VALVE TYPE: 123/223/323/423/623/923

DISK TYPE: S-90 HEADS: SRB-7RS or S90-7R
SIZE (IN) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL) MINIMUM PSIG BURST PRESSURE ALLOY200 (NICKEL) FLOUROPOLYMER
2-4 73 .960 73 .960
6-UP 38 .960 73 .960
DISK TYPE: S-90 HEADS: SRB-7RS or S90-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 600(INCONEL) FLOUROPOLYMER MINIMUM PSIG BURST PRESSURE ALLOY 400(MONEL) FLOUROPOLYMER
1-4 150 .960 .... ....
6-UP 150 .960 41.5 .960


VALVE MANUFACTURER: IMI BAILEY BIRKETT, LTD.
VALVE TYPE: WB400

DISK TYPE: S-90 HEADS: SRB-7RS or S90-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL)
1-UP 148 .994
DISK TYPE:JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE 316SS
1-UP 98.5 .993

VALVE MANUFACTURER: KUNKLE
VALVE TYPE: 5000-5999

DISK TYPE:S-90 HEADS: SRB-7RS OR S90-7R
SIZE(IN)  MINIMUM PSIG BURST PRESSURE   ALLOY 200 (NICKEL)
1-2 125 .  994
3-UP 60 .  998
DISK TYPE:JRS HEADS: SRB-7RS
SIZE(IN)     MINIMUM PSIG BURST PRESSURE 316 SS
1-2 50 .998
3-UP 35 .990

VALVE TYPE: 910-929 AND 75

DISK TYPE:S-90 HEADS: SRB-7RS or S90-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
1-UP 125 .945
DISK TYPE:JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE 316 SS
1-UP 50 .981


VALVE MANUFACTURER: FARRIS ENGINEERING
VALVE TYPE: 2600 SERIES AND 4500 SERIES

DISK TYPE: CSR HEADS : CSR-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
1.5 47 .974

DISK TYPE: S-90 HEADS: SRB-7RS OR S90-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL/TEFLON)
1 125 .993 125 .993
1.5 90 .951 90 .951
2 75 ..979 75 .979
3 40-53 .955 40-53 .955
3 54 .1.000 54 1.000
4-UP 35 .980 35 .980

DISK TYPE: S-90 HEADS: SRB-7RS OR S90-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 600 INCONEL/TEFLON OR ALLOY 600 (INCONEL) MINIMUM PSIG BURST PRESSURE ALLOY 200 (MONEL)/FLOUROPOLYMER
1 150 .963 125 .993
1.5 110 .951 90 .951
2 90 .988 75 .979
3 40-53 .955 40-53 .955
3-UP 54 1.000 54 1.000
4-UP 35 .980 35 .980

DISK TYPE: JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE HASTELLOY B MINIMUM PSIG BURST PRESSURE 316SS MINIMUM PSIG BURST PRESSURE ALLOY 400(MONEL)
1-UP 50 1.00 ...... ........ ....... .....
1.5-UP ...... ...... 25 .993* 23 .993
4-UP ...... ...... 14 .975 ....... ........

DISK TYPE: JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY C-276 HASTELLOY C-276 MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL) MINIMUM PSIG BURST PRESSURE ALLOY 600 (INCONEL)
1-2 --- --- --- --- 40 .996
3 52 .959 40 .967 ----- -----
4-UP 14 .956 35 .980 ----- -----


DISK TYPE: RLS HEADS: SRB 7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL)
1-2 124.7 .987
3-UP 53.1 .970
DISK TYPE: RLS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY C-276 HASTELLOY C-276
1 175 .944
1.5-UP 141 .967
3-UP 74.5 .939

DISK TYPE: RLS HEADS: SRB 7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 600 (INCONEL)
1-2 124.7 .987
3-UP 53.1 .970
DISK TYPE: RLS HEADS: SRB 7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE 316SST
1 183 .978
1.5UP 141 .967
3-UP 74.5 .939

DISK TYPE: RLS HEADS:SRB 7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (INCONEL)
1-2 144 .992
3-UP 43 .984

DISK TYPE: RB-90 HEADS:SRB 7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL)
1 75 .977
1.5 54 .967
2-UP 45 .964

DISK TYPE: RLS HEADS:SRB 7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE 316SST
1 183 .978
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 600 (INCONEL)
3 37 .994
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL)
2-UP 90 .982
SIZE(IN) MINIMUM PSIG BURST PRESSURE 316SST
2-UP 83 .991


VALVE MANUFACTURER: DRESSER I.V. AND I.D.
VALVE TYPE: 1900,1900/P,1900-30,1900-30P,1900-35

DISK TYPE: S-90 HEADS: SRB-7RS OR S90-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL/
FLOUROPOLYMER)		 MINIMUM PSIG BURST PRESSURE ALUMINIUM/
FLOUROPOLYMER
1-1.5 73 .967 73 .989 75 .910
2 75 .969 73 .989 45 .960
3-UP 55 .995 73 .989 36 .980

DISK TYPE: S-90   HEADS: SRB-7RS OR S90-7R
SIZE (IN) MINIMUM PSIG BURST PRESSURE ALLOY 600 (INCONEL) MINIMUM PSIG BURST PRESSURE ALLOY 600 (INCONEL)/FLOUROPOLYMER
1.5 ... ... ... ...
2 85 .988 85 .994
3-UP 85 .988 65 .988

DISK TYPE: S-90   HEADS: SRB-7RS OR S90-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL) MINIMUM PSIG BURST PRESSURE 316 SS/FLOUROPOLYMER
2-UP 85 .969 85 .968

DISK TYPE: SVI  HEADS: SRB-7RS OR S90-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL)/FLOUROPOLYMER
1.5-3 76 .964 76 .983
4 UP 40 .971 40 .950

DISK TYPE: SVI
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 600 (INCONEL)
3-UP 85 .986
DISK TYPE: GFN HEADS: NF-7R OR NF-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
2-UP 89 .987

DISK TYPE: RB-90 HEADS: RB-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 NICKEL MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)/FLOUROPOLYMER
1-1.5 75 .972    74 .976
2 45 .954    74 .976
3-UP 36 .958    74 .976

DISK TYPE: JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY C-276
(HASTELLOY C-276		 MINIMUM PSIG BURST PRESSURE 316 SS MINIMUM PSIG BURST PRESSURE ALLOY 400 MONEL
1-UP 24 .990 22.5 .988 21 .996

DISK TYPE: RLS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY C-276
(HASTELLOY C-276)		 MINIMUM PSIG BURST PRESSURE ALLOY 400 MONEL
1-1.5 167 .974 146 .977
2 112 .974 82.5 .971
3-UP 112 .974 62 .930

DISK TYPE: RLS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL) MINIMUM PSIG BURST PRESSURE ALLOY 400 MONEL
1.5 81.9 .965 95 .956
2-UP 81.9 .965 83 .971


VALVE MANUFACTURER: J.E. LONERGAN COMPANY VALVE TYPE: D SERIES

DISK TYPE: S-90 HEADS: SRB-7RS OR S90-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
1-2 125 .977
3-UP 60 .994
DISK TYPE: JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
1-2 50 .989
3-UP 35 .978

DISK TYPE: JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 400 MONEL
2-UP 18.5 .975


VALVE MANUFACTURER:ANDERSON, GREENWOOD CROSBY VALVE TYPE:  JOS/JBS         

DISK TYPE: RLS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY C-276
HASTELLOY C-276
1 172 .972

DISK TYPE: RLS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
2 84.5 .981
DISK TYPE: RLS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 400 MONEL
1 138 .981
          
DISK TYPE: S-90 HEADS: SRB-7RS OR S90-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200(NICKEL)
1-1.5 125 .995
2-UP 75 .994

DISK TYPE: JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE 316 SS
1-UP 60 .993
DISK TYPE: JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 400 MONEL
1.5UP 23 .981


VALVE TYPE:JO

DISK TYPE: S-90
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
1 126 .959
1.5 100 .972
2-up 75 .995
HEADS: SRB-7RS OR S90-7R
MINIMUM PSIG BURST PRESSURE ALLOY 400 MONEL
--- ---
103 .973
--- ---

DISK TYPE: JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE 316 SS
1-UP 76 .998
DISK TYPE: SVI
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
1.5 126 .956
2-UP 90 .967


VALVE TYPE: JB

DISK TYPE: S-90 HEADS: SRB-7RS OR S90-7R
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
1-1.5 126 .955
2-UP 75 .994
DISK TYPE: SVI
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
1.5 125 .956
2-UP 90 .960

DISK TYPE: JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE 316 SS
1UP 76 .983
DISK TYPE: RLS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 400 MONEL
1UP 125 .981

DISK TYPE: GFN HEADS: SNF-7R OR NF-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
2-UP 90 .974
DISK TYPE: RLS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
1-UP 125 .997

DISK TYPE: JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
1-UP 39 .991
DISK TYPE: JRS HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 (NICKEL)
1-UP 123 .995

DISK TYPE: S-90 HEADS: SRB-7RS
SIZE(IN) MINIMUM PSIG BURST PRESSURE ALLOY 200 NICKEL
1-UP 123 .975.978



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