Valves

Crouzet Timer ( Adjustable Timing )

Dimensions

Part No.              L （ mm ）
81 503 710 - 81 506 710      78
81 503 720 - 81 506 720      92
81 503 725 - 81 506 725      125
Symbol Part No. 81 503 710 81 506 710 81 503 720 81 506 720
81 503 710 Features negative Forward ● – ● –
Negative – ● – ●
Timing s 0.1 • 15 0.1 • 15 0.1 • 30 0.1 • 30
81 506 710 Working pressure bar 2 → 8 2 → 8 2 → 8 2 → 8
Flow （ 6 bars ） NI / min 170 170 170 170
Path mm 2.7 2.7 2.7 2.7
81 503 720 Accuracy ％ ± 5 ± 5 ± 5 ± 5
Minimum reset time s < 0.1 < 0.1 < 0.1 < 0.1
Connection ● ● ● ●
81 506 720 Operating temperature ° C -5 + 50 -5 + 50 -5 + 50 -5 + 50
Mechanical life work times > 10 7 > 10 7 > 10 7 > 10 7
Weight g 90 g 90 g 100 g 100 g
Symbol Part No. 81 507 540 81 507 720 81 506 940
81 507 540 Single-pulse generator Fixed ● – –
Adjustable – ● –
Adjustable frequency generator     ●
Timing s 0.4 0.1 →30 –
81 507 720 Working pressure bar 2 → 8 2 → 8 2 → 8
Flow （ 6 bars ） NI / min 170 170 170
Path mm 2.7 2.7 2.7
Accuracy ％ ± 5 ± 5 ± 5
81 506 940
Minimum reset time s < 0.1 < 0.1 < 0.1
Connection ● ● ●
Operating temperature ° C -5 + 50 -5 + 50 -5 + 50
Mechanical life work times > 10 7 > 10 7 > 10 7
Weight g 106 g 180 g 85 g

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