Asco/Joucomatic Announces an Expanded Range of High Flow Pilot Valves for C

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Last modified: 8 May 2023
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New range of Series 327 ¼” – ½” poppet valves have outstanding reliability and are ideal for critical applications including Safety Instrumented Systems (SIS).

Asco/Joucomatic has expanded the scope of its Series 327 3/2-way pilot valves to include ¼” and ½” high flow (Kv 1.5) versions. The new valves meet the growing demand for direct acting valves with high reliability and low (<10 Watts cold) power consumption. Based on the principle of a balanced poppet type construction, the new valves have the same outstanding reliability as the popular ¼” basic flow models.

The new, multi-purpose pilot valves are suitable for NC, NO and universal operation, and for the selection or diversion of flow. They can also be used for 2/2 way operation by closing one of the ports. Suitable for use with air and inert gas, they feature a brass or stainless steel body and are recommended for pilot applications that require high flow, wide pressure ranges and no min. operating pressure.

There are no bleed holes or channels which could become blocked by contamination, compromising valve reliability. This makes the Series 327 suitable for critical applications such as Safety Instrumented Systems (SIS). The 1/4” version has been successfully tested by TÜV and is suitable for use up to SIL-4 with PFD < 4×10-7, the highest achievable rating.

Asco/Joucomatic can supply various exproof solenoids with ATEX approval. Many other approvals are available incl. NEMA, UL, CSA, Gost, and NEPSI.

Written by

Emerson (ASCO Controls BV)

Emerson (NYSE: EMR), headquartered in St. Louis, Missouri (USA), is a global technology and engineering company providing innovative solutions for customers in industrial, commercial, and residential markets. Our Emerson Automation... Read more