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International Door Closers #231 Fixed Medium Tension Spring
Overhead Concealed Closer Kit. The Medium Spring is
the most popular Fixed Tension Closer for use on
exterior doors. Complete closer kit for
offset hung doors with offset arm. Suitable for
doors 30" to 42" wide and up to 96" tall. 105 Degree
backstop with no hold open feature.
Product Details:
- Medium Spring Tension - The most popular fixed spring tension for exterior doors with offset arms.
- Two Speed Control Valves: Closing and Latching speeds controlled by separate regulating valves, fully adjustable after installation.
- Stable hydraulic door check fluid for any climatic operation and constant lubrication.
- Positive centering for alignment and to hold door closed against any normal window draft.
- Cast iron body fits in an aluminum header or transom bar as small as 1-3/4" x 4".
- Single acting for Butt Hinge or Offset Pivot applications.
- Choice of "JO" Type or "VO" Type offset arm assembly.
- 105NHO - Allows door to open up to 105 Degrees with no hold open capability.