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Industrial MicroHydraulics

558 SERIES CHECK VALVE – REVERSE FLOW

*LOA before installation. All dimensions in millimeters.

LEE PART NO. CRACKING PRESSURE
CCRM2550200S 0 kPa (No Spring)
CCRM2550204S 4 ± 3 kPa (0.6 ± 0.4 psid)
CCRM2550207S 7 ± 5 kPa (1 ± 0.7 psid)
CCRM2550214S 14 ± 5 kPa (2 ± 0.7 psid)
CCRM2550225S 25 ± 10 kPa (3.6 ± 1.5 psid)
CCRM2550240S 40 ± 30 kPa (6 ± 4.4 psid)
CCRM2550269S 69 ± 17 kPa (10 ± 2.5 psid)
PERFORMANCE
Lohm Rate: 250 Lohms
Leakage:

20 sccm/min. (max.) @172 kPa (25 psid) on air 1 Drop/min. (max.) on hydraulic fluid

Maximum Working Pressure:

28 MPa (4,060 psid) (Checked Direction) 4 MPa (580 psid) (Flow Direction)

MATERIALS
Body: 303 Stainless Steel
Pin: 416 Stainless Steel
Cage: 305 Stainless Steel
Spring: 302 Stainless Steel
Ball: 440C Stainless Steel
INSTALLATION
Tool Part Number: CCRT0900120S
Force: 625 Kg F (max.)
Click here for installation instructions