Flanged globe type pressure relief valve -

Flanged globe type pressure relief valve

Category Pressure relief valve

Certificate: UL Listed / FM Approved / CE
Standard: UL 1478, NFPA 20
Connection: Flanged as B16.42 Class 150 / 300, B16.1 Class 125 / 250, EN 1092-2 PN16
Adjustment: 20 ~ 200 / 100 ~ 300 / 65 ~ 180 psi
Temperature: Max 82°C, water
W. pressure: 250 / 400 / 300 psi
Surface: FBE coating as AWWA C550

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Product Details

Flanged globe type pressure relief valve (Fire pump relief valve) is used in the discharge of fire pump with flanged connection. It automatically relieves excessive pressure, so to maintain constant pressure. It allows the fire pump to be stopped without causing surging.

Available size (Source 1 with UL/FM)

Size	Relief pressure range (psi)	Connection	Ref.No.
1-1/2″ / DN40	20 ~ 200 / 100 ~ 300	Class 150 / 300	U1101 (ULC)
2″ / DN50	20 ~ 200 / 100 ~ 300	Class 150 / 300	U1102 (ULC)
2-1/2″ / DN65	20 ~ 200 / 100 ~ 300	Class 150 / 300	U1103 (ULC)
3″ / DN80	20 ~ 200 / 100 ~ 300	Class 150 / 300	U1104 (UL/FM)
4″ / DN100	20 ~ 200 / 100 ~ 300	Class 150 / 300	U1105 (UL/FM)
6″ / DN150	20 ~ 200 / 100 ~ 300	Class 150 / 300	U1106 (UL/FM)
8″ / DN200	20 ~ 200 / 100 ~ 300	Class 150 / 300	U1107 (UL/FM)
10″ / DN250	20 ~ 200 / 100 ~ 300	Class 150 / 300	U1108 (ULC)

Available size (Source 2 with UL)

Size	Relief pressure range (psi)	Connection	Ref.No.
1-1/2” / DN40	max 180	Class 125 / 250 / PN16	U1111 (UL)
2” / DN50	max 180	Class 125 / 250 / PN16	U1112 (UL)
2-1/2” / DN65	max 180	Class 125 / 250 / PN16	U1113 (UL)
3” / DN80	max 180	Class 125 / 250 / PN16	U1114 (UL)
4” / DN100	max 180	Class 125 / 250 / PN16	U1115 (UL)
5” / DN125	max 180	Class 125 / 250 / PN16	U1116 (UL)
6” / DN150	max 180	Class 125 / 250 / PN16	U1117 (UL)
8” / DN200	max 180	Class 125 / 250 / PN16	U1118 (UL)

Available size (Source 2 with FM)

Size	Relief pressure range (psi)	Connection	Ref.No.
2” / DN50	65 ~ 180	Class 125 / 250 / PN16	U1121 (FM)
2-1/2” / DN65	65 ~ 180	Class 125 / 250 / PN16	U1122 (FM)
3” / DN80	65 ~ 180	Class 125 / 250 / PN16	U1123 (FM)
4” / DN100	65 ~ 180	Class 125 / 250 / PN16	U1124 (FM)
5” / DN125	65 ~ 180	Class 125 / 250 / PN16	U1125 (FM)
6” / DN150	65 ~ 180	Class 125 / 250 / PN16	U1126 (FM)
8” / DN200	65 ~ 180	Class 125 / 250 / PN16	U1127 (FM)
10” / DN250	65 ~ 180	Class 125 / 250 / PN16	U1128 (FM)
12” / DN300	65 ~ 180	Class 125 / 250 / PN16	U1129 (FM)

Available size (Source 3 with CE)

Size	Relief pressure range (psi)	Connection	Ref.No.
2″ / DN50	29 ~ 188	Class 125 / PN16	U1131 (CE)
2-1/2″ / DN65	29 ~ 188	Class 125 / PN16	U1132 (CE)
3″ / DN80	29 ~ 188	Class 125 / PN16	U1133 (CE)
4″ / DN100	29 ~ 188	Class 125 / PN16	U1134 (CE)
6″ / DN150	29 ~ 188	Class 125 / PN16	U1135 (CE)
8″ / DN200	29 ~ 188	Class 125 / PN16	U1136 (CE)
10″ / DN250	29 ~ 188	Class 125 / PN16	U1137 (CE)
12″ / DN300	29 ~ 188	Class 125 / PN16	U1138 (CE)
14″ / DN350	29 ~ 188	Class 125 / PN16	U1139 (CE)
16″ / DN400	29 ~ 188	Class 125 / PN16	U1140 (CE)