ROSS Controls 2751A3922 Pilot Operated Check Valve

The ROSS Controls 2751A3922 is a 27 Series Pilot Operated Check Valve designed for inline mounting with optional pressure relief, a two‑way, two‑position pneumatic PO check that uses a pilot signal to trap pressure and hold a cylinder in place. It features a 3/8 in main port and a 1/8‑27 in NPT pilot signal port, and it weighs 2.6 lb (1.8 kg). This model is listed by ROSS as a Safety Category 1 PL c valve in the 27 Series family, making it suitable for load‑holding applications where reliable retention is required. The 2751A3922 is an inline‑mounted variant available with or without pressure relief to suit installation needs.