48mm Outer Dia., Zero Aperture, Burnished Steel Leaves

Zero Series

Stock #57-590 In Stock
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Minimum Aperture (mm):
Maximum Aperture (mm):
Outer Diameter (mm):
Anodized Aluminum Alloy, Burnished Leaves
Full Angular Range of Lever (°):
Lever Length (mm):
Lever Position (mm):
Lever Size (mm):
6.00 x 1.00
Number of Leaves:
Two sets of 7
Operating Temperature (°C):
Pin Thread & Pitch:
Thickness (mm):

Regulatory Compliance

RoHS 2015:
Certificate of Conformance:
Reach 233:

Product Family Description

  • Iris Completely Closes
  • Corrosion Resistant Housing
  • High Heat Resistance
  • Burnished Spring Steel and Stainless Spring Steel Leaf Options Available

High quality materials combined with the highest fabrication standards guarantee that these irises provide optimum performance reliability even under the most extreme conditions. Different leaf and aperture diameter options allow these irises to be successfully integrated into a variety of applications including imaging and high temperature environments. Irises with removable pins are conveniently incorporated into OEM solutions. Known pin/tab angular deviation allows upfront, accurate assessment of movement requirements. Housing is a corrosion resistant, matte finish, black anodized aluminum alloy. Custom variations will be considered for OEM quantities; please contact our Sales Department for quantity discounts.

Technical Information

Outer Diameter A Maximum Aperture B Minimum Aperture C Thickness D Level Position E Full Angular Range of Lever F Stock No.
94mm 60mm








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