Pilot-To-Open

(with external pilot port, sealed pilot, and stem seal )

Full Pilot

Flow-Q(l/min)

P=bar

0

80

160

240

320

5

10

15

20

TECHNICAL DATA

Max. pressure: 350 bar

Rated flow: 240 l/min

Cavity-Tooling: 17A-3

Installation torque: 200-215 Nm

Weight: 0.50 kg

Z

Rev.131121

B.137.203

Ordering Code:

UNIT:mm

25

30

CHECK VALVE

Typical Pressure Drop

3F

50

OPTION (External Ports)

Pilot Ratio 3:1

X

OPERATION

2.0 bar

20

Cracking pressure

Y

SPRINGS

G 1/4"

G02

2 to 1 (Free Flow)

Sealed Pilot Pistion

5.0 bar

CO-17A-X-Y-Z

M36x2

Locating

Shoulder

1

Load

2

Valve

External Port

Vent

3

31.7 Hex.

(1 1/4 inch)

4646

Drain

Pilot

3

1

2

EXT