Page 53 - Apollo - Industrial Applications Guide

APPENDIX H – INDUSTRIAL APPLICATIONS GLOSSARY APPENDIX H – INDUSTRIAL APPLICATIONS GLOSSARY

Option -27 Option -60
Stainless Steel Latch Lock Lever & Handle Nut - This is a sliding Grounded (Ball and Stem). This option assures electrical
latch lock device on a lever that allows the valve to be secured continuity between all components of a valve. The most
with a pad lock in the fully open or closed position. common application is in gaseous services. Dry gases flowing
through a device at high velocities can generate significant
static charges. A ball valve ball suspended between PTFE or
Option -32 other polymeric seats is normally isolated from ground. This
Stainless Steel High Rise Tee Handle - An extended “T” shaped option assures that the ball and stem both have continuous
lever generally used on 2” and smaller valves where limited contact with the valve body. Without this feature the static
space constraints can hinder operation with a traditional lever. charge generated on the ball may arc to ground causing an
The taller profile makes it easier to operate while keeping internal explosion.
hands further away from the piping and process temperatures.
Option -80
Option -36 Trade named Multi-Seal, this is Conbraco’s offering for what
Stainless Steel High Rise Round Handle - A round operating has been referred to as “Super-PTFE”. Only available in the
device utilized where space constraints might be an issue. Also flanged valve series at the time of this writing, this material is
utilized as a safety feature where the traditional lever could based on Dyneon’s TFM-1600 resin. This material PTFE based
become a tripping or snag hazard. An extended round handle containing a PFA modifier for improved properties including
is generally used on 2” and smaller valves where limited space increased strength and increased resistance to “popcorning”.
constraints can hinder operation with a traditional lever. The
taller profile makes it easier to operate while keeping hands PED
further away from the piping and process temperatures. See Pressure Equipment Directive.

Option -39 Pinch Valve
Same as Option -36 but with a locking device that allows the The Pinch Valve finds wide application on slurries or liquids
valve to be secured in the fully open or closed positions. with large amounts of suspended solids. It seals by means of
one or more flexible elements, such as a rubber tube, that can
Option -41 be pinched to shut off flow.
More appropriately this option should be called “Automatic-
Venting” in lieu of “Auto-Drain”. For Conbraco’s Apollo Ball Plug Valve
Valve, this option is limited to availability on bronze valves The Plug Valve is used primarily for on-off service and some
only. The valve is intended to vent the downstream pressure throttling services. It controls flow by means of a cylindrical
on a closed valve equipped with this option. It should be used or tapered plug with a hole (generally somewhat rectangular
only on either water or non-hazardous gases, such as air or in shape) in the center that lines up with the flow path of the
nitrogen as they vent to atmosphere. Valves with this option valve to permit passage. A quarter turn of the handle/plug
have limited service temperature and pressure ranges of +50F blocks the flow path. Used on wine casks.
to +250F and 0 psig to 125 psig respectively.
Pop-corning
Option - 44 Phenomenon that occurs as with PTFE based seal material
Seal Weld – The two-piece valve’s retainer is welded to the when utilized in Styrene, Butadiene, Latex and Vinyl Chloride
body, which eliminates the body joint. (The retainer cannot applications. Each of these chemicals has the ability to
accidentally be loosened and a potential leak path is permanently permeate the surface of the polymer and become trapped in
eliminated). Note: The retainer cannot be removed and the tiny pores in the material. When they try to expand and escape
valve cannot be repaired. This option is available with certain they pop out through the surface leaving tiny craters and thus
Carbon Steel and Stainless Valves. Contact Technical Support if ruin sealing ability.
you have questions regarding this option.
Pressure Equipment Directive
A legal document defining common requirements for valves
and other devices intended for use within member states of
the European Union.

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