Clark Cooper Announces Shock and Vibration Certified Rotary Valves per MIL-STD-901D and MIL-STD-167-1


Clark Cooper has achieved certification of several solenoid operated rotary valve configurations per MIL-STD-901D and MIL-STD-167-1.
  • Shock Grade: A
  • Equipment Class: I
  • Shock Test Type: A, Lightweight
  • Equipment mounting location aboard ship: Hull Mounted

Figure 1
Clark Cooper Rotary Valve

Solenoid operated rotary valves (Figure 1) are fast acting and configurable with various wetted materials, voltages, position indicator switches, connections, and are available in both normally open and normally closed designs.

Fluid temperatures up to 550° F are permissible since the coil is located away from hot components. In addition, coils have an optional explosion proof certification for Class 1, Division 1, groups B-D hazardous locations for operating temperature code T2, -20 to +40 C.

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Shock tested valves are rigidly mounted to a stiff structure supported by springs and rollers (Figure 2). A large hammer slams into that structure, transfers kinetic energy, and induces high accelerations. Such hits are completed with the valve in both the open and closed state. Designs are altered appropriately to accommodate high accelerations on the three principle axes.
Figure 2
Shock/Vibe testing station

Valves are available in the charted size for the pressures given. Variations exist, and not all values may apply. Contact our Clark Cooper Sales Department to learn more. Figure 3
Clark Cooper Size Chart