 Exclusively Chain
Wheel Operated Models- Seven Models of Series 600 and Series
700 valves offer choices in vessel and gage connections,
equalizer tube availability and maximum steam pressure
services.
- Refer to the Model
Selection Guide for
individual model features to meet your specific installation
requirements.
- All chain wheel operated models are
of outside screw and yoke design.
Features Include:
- Forged
steel body to ASTM A 105 Specification.
- Type 303 stainless steel stem.
- On Series 700 models only, one-piece
420F stainless steel replaceable seat (Figure 24) is secured
by identical two-bolt packing yokes.
- Single-pitch stem thread allows easy
valve operation by chain wheel.
- Stem bushing is positioned outside
body, away from high temperatures and corrosive fluids.
- Lower valves provide 3/8" pipe
connection and female socket weld connection for blowdown.
Note: Female
socket weld connectors are not included when valves are to
be welded to water columns. To specify for the above
applications add "C" to model numbers. Example:
Model SG777 (with socket weld connectors) becomes Model SG777C
(without socket weld connectors).
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