Series 551 552 553 - Pilot Operated or Air Operated Spool Valve

Series 551 552 553 - Pilot Operated or Air Operated Spool Valve

The ASCO Series 551, 552, 553 pilot operated solenoid valves with NAMUR interface are reliable and durable control solutions for a variety of industrial and commercial applications. These valves are available in a range of configurations and are certified for use up to SIL 4, making them suitable for use in safety-critical systems. They have TÜV certified IEC 61508 Functional Safety data and offer environmental protection against the ingress of liquids, dust, and other foreign matter. This makes them particularly well-suited for use in sensitive areas such as clean rooms and in the pharmaceutical and food processing sectors. The ASCO pilot operated valves are able to control double-acting and single-acting actuators and can be adapted for 3/2 NC or 5/2 function. They also feature a NAMUR interface that helps to prevent the actuator from breathing in air from the environment, which can be a potential source of failure. Overall, the ASCO Series 551, 552, 553 pilot operated solenoid valves are reliable and effective control solutions for a range of applications.


Showing 1–30 of 1293 results

Manufacturer
ASCO
Port Connection
G1/2
G1/4
G3/8
Working Pressure Max
8 Bar
10 Bar
Working Pressure Min
0 Bar
2 Bar
ASCO 8551A119 – G1/4, 5/2 Brass, Pilot Air Operated – Spring Return (Monostable)
Part Number:
8551A119
Price:
£275.98
PDF:
ASCO 8551A120 – G1/4, 5/2 Brass, Pilot Air Operated and Return (Bistable)
Part Number:
8551A120
Price:
£261.54
PDF:
ASCO 8551A121 – G1/4, 5/2 Stainless Steel, Pilot Air Operated – Spring Return (Monostable)
Part Number:
8551A121
Price:
£388.12
PDF:
ASCO 8551A121SL – G1/4, 5/2 Stainless Steel, Pilot Air Operated – Spring Return (Monostable)
Part Number:
8551A121SL
Price:
£450.76
PDF:
ASCO 8551A122 – G1/4, 5/2 Stainless Steel, Pilot Air Operated and Return (Bistable)
Part Number:
8551A122
Price:
£499.15
PDF:
ASCO 8553A121 – G1/2, 5/2 Stainless Steel, Pilot Air Operated – Spring Return (Monostable)
Part Number:
8553A121
Price:
£1,489.81
PDF:
ASCO 8553A122 – G1/2, 5/2 Stainless Steel, Pilot Air Operated and Return (Bistable)
Part Number:
8553A122
Price:
£1,755.35
PDF: