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The SG307FV255 accessory is produced by Vickers within the Vickers Hydraulic Accessories series. Designed for hydraulic automation, it mounts on a subplate so it can be replaced without disturbing pipework. System pressure setpoints are adjusted between 5 and 55 bar with a knurled handknob that locks to maintain the chosen value. The unit tolerates system pressures up to 300 bar, allowing installation on high-pressure lines. A single-pole double-throw switching element provides a changeover contact for control circuits, and the assembly weighs 0.5 kg to ease handling during service.
This model functions in environments from -40 °C to +90 °C, supporting machinery that operates outdoors or near heat sources. Control wiring may carry up to 250 V AC or 24 V DC, and resistive loads can draw up to 5 A on either supply, giving flexibility for relay or PLC inputs. Electrical connection is made through an ISO 4400 (DIN 43650-A) plug, with a PG11 threaded entry that accepts standard cable glands. An IP65 housing prevents dust ingress and low-pressure water jets from affecting the internal mechanism, completing the robust specification profile.
Adjustment Type
Knurled Handknob (Locking)
Ambient Temperature Max
+90°C
Ambient Temperature Min
-40°C
Cable Entry Thread
PG11
Connector Type
ISO 4400 (DIN 43650-A)
Max Ohmic Load (ac)
5 A
Max Ohmic Load (dc)
5 A
Max Operating Pressure (std Seal)
300 bar
Max Switch Voltage (ac)
250 V
Max Switch Voltage (dc)
24 V
Mounting Type
Subplate
Pressure Adjustment Max
55 bar
Pressure Adjustment Min
5 bar
Protection Rating
IP65
Switch Configuration
SPDT
Weight
0.5 kg
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