SUN HYDRAULICS
SCCBCWN

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Sun Hydraulics directly.***
The Sun Hydraulics SCCBCWN (SCCBCWN) is an atmospherically referenced, direct-acting sequence valve designed to supply a secondary circuit with flow once the pressure at the inlet port exceeds a specified setting. This valve features an integral check valve allowing for reverse flow from port 2 back to the port 1 inlet. It is particularly suitable for load holding applications where a drain connection is not feasible, although users should be aware that atmospherically referenced valves may experience external leakage or moisture ingress over time. The valve can pass approximately one drop (0.07 cc) of fluid into the vented spring chamber every 4000 cycles. This model incorporates Sun\u2019s floating style construction, minimizing internal binding due to installation torque or machining variations. The SCCBCWN fits into a Cavity T-13A, Series 1, and has a capacity of 15 gpm (60 L/min). It operates at a maximum pressure of 5000 psi (350 bar) with typical response times around 2 ms. Maximum leakage at reseat is limited to 10 drops/min (0.7 cc/min), and it has a check cracking pressure of 40 psi (2.8 bar). Adjustment for increasing pressure settings requires about five turns clockwise, with specific torque requirements for installation and adjustment components. Weighing approximately .30 lb (.15 kg), this valve offers robust performance in demanding environments, supported by its durable construction and precise engineering specifications. The seal kit for this cartridge is Viton: 990010006, ensuring compatibility and reliability in various applications where hydraulic sequencing is essential.