The KOENIG RESTRICTOR® and KOENIG CHECK VALVE® combine our industry-leading flow control and sealing expertise, with products that provide precise fluid control with low total costs. Using a unique, one-piece design, our flow restrictor and check valve models are available in a wide variety of sizes and pressure ratings, providing a precise orifice flow control solution. Learn more about our orifice flow restrictor and check valve models, including performance and installation information, on our About Flow Product description page. SFC KOENIG® flow restrictor and check valve products provide reliable, proven performance and easy installation for a wide range of applications. Our engineers can develop a custom design for your specific flow control needs, or use our Product Selector to identify the correct KOENIG RESTRICTOR for your specifications.
Performance | |||
Max. installation force | 8000 N | ||
Max. working pressure in check direction | 280 bar | ||
Max. working pressure in flow direction | 40 bar | ||
Max. leakage on air | 20 sccm/min. @ 1.72 bar | ||
Max. Leakage on hydraulic fluid (HLP46) | 1 drop/min. | ||
Cycle Test on hydraulic fluid (HLP46) | 1 Mio. Cycles, 5 Hz, 6 bar, 50˚C | ||
Material of test body | EN-GJS-600-3 |
CHECK VALVE REVERSE FLOW - UNSCREENED | |
Part Number | Cracking Pressure (bar) |
BR660080024000 | 0.00 (no spring) |
BR660080024014 | 0.14 (± 0.05) |
BR660080024040 | 0.40 (± 0.30) |
BR660080024100 | 1.00 (± 0.30) |
Materials | |||
Sleeve | 1.4305 / AISI 303 | ||
Pin | 1.452 / AISI 630 | ||
Cage | 1.4310 / AISI 301 | ||
Spring | 1.4310 / AISI 301 | ||
Ball | 1.4310 / AISI 301 |