These blocks are used for installation of safety valves type DBDS (see Section 9.1) which must be ordered separately. The BPV type is built in sizes 6, 10, 20 and in the “G” versions with the threaded connections BSP ISO 228 or in the “P” version for mounting on plate. BAPV type in- stead can be mounted through a double thread nipple directly on the fluid valve of the bladder accumulators with a connection of 1”1/4 (type AS5 and ASA1) or 2″ BSP (type AS10÷55, ASA2.5÷15) or with appropriate adaptors (see Section 9.4) directly on the back side of a fluid piston ac- cumulator. This version is built only to accommodate the safety valves DBDS10.
MAX OPERATING PRESSURE: 400 BAR
PRESSURE TEST: 1.43 X PS
NOMINAL SIZE: 6, 10, 20
BODY MATERIAL: galvanized carbon steel
SEALS MATERIAL: Nitrile (NBR) Viton (FKM) See Table 9.2c and or Section 1.8
WEIGHT: see Table 9.2