Pressure Relief Cartridge Valve series DDPB-1C
Pressure [bar]
450
Flow rate [l/min]
140
Pressure relief valves series DDPB-1C-10 … are direct acting pressure relief valves. Their positive seat design ensures virtually zero-leakage, and they are designed to fit BUCHER cavity type DC. The spring chamber is internally drained to port B. Any pressure in port B is additive to the spring pres sure setting, therefore port B should preferably be con nected to tank (see also externally drained model DDPB-3D …). Thoroughly oil or grease external seals be fore fitting the cartridge in a DC cavity. The cartridge can be tightened with a 27 A/F OE spanner (note the recommended tightening torque).
- Positive seat design gives near zero-leakage closure of ports A and B
- Good override characteristics due to dynamic poppet stroke assistance
- Pressures to 450 bar, all ports (see spring ranges in model code key)
- Ideal for back-pressure and anti-shock service (fast and stable response)
- Available as cartridge or in DC-12-line mounting body
- Also available in ISO / CETOP 05 stack-mounting bodies (315 bar max.)
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