Grooved angle type pressure relief valve

Category Pressure relief valve

Certificate: UL Listed / FM Approved
Standard: UL 1478, NFPA 20
Connection: Grooved as AWWA C606
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 angle 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	U1401 (UL/FM)
4″ / DN100	20 ~ 200 / 100 ~ 300	GxG	400	U1402 (UL/FM)
6″ / DN150	20 ~ 200 / 100 ~ 300	GxG	400	U1403 (UL/FM)
8″ / DN200	20 ~ 200 / 100 ~ 300	GxG	400	U1404 (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.
3″ / DN80	65 ~ 300	GxG, GxF	300	U1411 (UL/FM)
4″ / DN100	65 ~ 300	GxG, GxF	300	U1412 (UL/FM)
5″ / DN125	65 ~ 300	GxG, GxF	300	U1413 (UL/FM)
6″ / DN150	65 ~ 300	GxG, GxF	300	U1414 (UL/FM)
8″ / DN200	65 ~ 300	GxG, GxF	300	U1415 (UL/FM)