F400B Parker Flow Control Valve 1/4 NPT Female Standard Needle Brass

F400B Parker Flow Control Valve 1/4 NPT Female Standard Needle Brass

MROStop is an authorized Parker distributor
MROStop has been an official distributor of Parker hose and fittings online since 2012. Parker remains one of our strongest supplier relationships to this day. MROStop carries over 40,000 items across Parker's fittings, hose, hydraulic valve, filtration, and pneumatic product lines. This allows us to get customers to best possible pricing and factory lead times available. We not only sell these items but we also have deeply knowledgeable product staff backed up by 76 years of hands on Parker product experience. We are a full service Parker supplier and can provide detailed product support for our customers.


Parker provides a comprehensive selection of hydraulic valves for various industrial and mobile applications. Our hydraulic valves range from directional and pressure control valves to flow control, shuttle, sequence, high pressure non-return, and ball valves. We offer monoblock, sectional, manifold mounted, in-line, and slip-in cartridge valves, including standard on/off valves and high-dynamic proportional valves. All of our valves are known for their exceptional reliability and cost-effectiveness, making them suitable for almost any operational requirement.