003371002
DESCRIPTION:
The "337" Series Flow Control Valves meter flow of air in one direction and allow free flow in the reverse direction. The "337" Series valves are manufactured with a fine tapered needle providing precise flow control, even at low flow rates. The perimeter of the adjustment knob features numerical micrometer position markings providing a visual indication of the setting. Once the desired flow is selected, a set screw can be tightened to maintain the setting. Stainless steel needle, urethane check seal, buna N needle seals, aluminum knob, stainless steel spring and zinc- plated steel retainer. 2.84" Open height and 2.53" closed height. 59 scfm Adjustable flow and 139 scfm free flow at 100 PSIG inlet pressure with full pressure drop
TECHNICAL DESCRIPTION:
| Material | Brass |
| Brand | Parker |
| Exterior Finish | Aluminum,Stainless Steel |
| Inlet Connection Type | National Pipe Tapered |
| Outlet Connection Type | MNPT |
| Maximum Operating Pressure | 250 psi |
| Number of Ports | 2 |
| Specification Met | ASME B16.34, ASTM |
| Number of Packs | 1 |
| Unit Count | 1 Count |