Reissue 1997 New Product Bulletin 1 of 1993:
March 16 2001
Subject:
High Flow Auxiliary Valve Part # 505-070
Products Affected:
All SuperLite Helmets and KMB Band Masks manufactured prior to October 1993
DSI announces it's new, High Flow Emergency Valve, part # 505-070, as standard issue on all SL-17s, SL-27s, KMB18s/28s, and manifold block assemblies starting Oct. of 1993.
Parts for the new valves are not interchangeable with the old style valves!
The old style valves PART # 505-018 are now discontinued and parts availability is limited to stock on hand.

The new emergency valve body is visibly different from the old style valve. It is slightly longer and the fittings are more offset. It also has the Kirby Morgan diamond emblem engraved on the side for easier identification.

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Location #
1
2
3
4
5
6
7
8
9
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New #
550-140
550-138
540-095
520-024
550-091
520-025
535-802
550-019
505-070
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Old #
550-036
550-035
550-034
520-029
550-032
520-016
535-802
550-019
505-018
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Description
Valve Body
Stem
Washer
Packing
Packing Nut
Knob, Control
Spring
Locknut
Valve Ass'y
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