Grooved globe type pressure relief valve

Category Pressure relief valve

Certificate: UL Listed / FM Approved
Standard: UL 1478, NFPA 20
Connection: Grooved as AWWA C606, ISO 6182
Adjustment: 20 ~ 200 / 100 ~ 300 psi, etc.
Temperature: Max 82°C, water
W. pressure: 400 / 300 psi
Surface: FBE coating as AWWA C550

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Product Details

Grooved globe type pressure relief valve (Fire pump relief valve) is used in the discharge of fire pump with grooved 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	Working pressure (psi)	Ref.No.
3″ / DN80	20 ~ 200 / 100 ~ 300	GxG	400	U1204 (UL/FM)
4″ / DN100	20 ~ 200 / 100 ~ 300	GxG	400	U1205 (UL/FM)
6″ / DN150	20 ~ 200 / 100 ~ 300	GxG	400	U1207 (UL/FM)
8″ / DN200	20 ~ 200 / 100 ~ 300	GxG	400	U1208 (UL/FM)

Note:
1. For size 3″, 4″, and 6″, the working pressure is 300 psi by UL listed, and 400 psi by FM approved.
2. KOL Anti-Cavitation Trim Seat is available, except size 3″, 4″, 6″.

Available size (Source 2 with UL/FM)

Size	Relief pressure range (psi)	Connection	Working pressure (psi)	Ref.No.
1-1/2″ / DN40	65 ~ 300	GXG, GXF	300	U1221 (UL/FM)
2″ / DN50	65 ~ 300	GXG, GXF	300	U1222 (UL/FM)
2-1/2″ / DN65	65 ~ 300	GXG, GXF	300	U1223 (UL/FM)
3″ / DN80	65 ~ 300	GXG, GXF	300	U1224 (UL/FM)
4″ / DN100	65 ~ 300	GXG, GXF	300	U1225 (UL/FM)
5″ / DN125	65 ~ 300	GXG, GXF	300	U1226 (UL/FM)
6″ / DN150	65 ~ 300	GXG, GXF	300	U1227 (UL/FM)
8″ / DN200	65 ~ 300	GXG, GXF	300	U1228 (UL/FM)
10″ / DN250	65 ~ 300	GXG, GXF	300	U1229 (FM)
12″ / DN300	65 ~ 300	GXG, GXF	300	U1230 (FM)