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The new Worcester Controls WZ Extended Energy/Thermal Mizer ball valve provides an important new extension to the Mizer product lines.

Important new features and advantages make the new WZ a better choice for customer thermal fluid systems. These include:

• 6" (up to 2") or 10" (3" and larger) extended stem assembly allows valve operation above piping insulation.
• Stem seals at the top of the stem extension for ease of adjustment and monitoring.
• Extended design eliminates potential insulation damage.
• Extension is an all welded design eliminating gaskets and potential leak paths.
• Live loaded packing with all graphite Worcester Controls G7 stem seals.
• Locking handle with OSHA lock out capability optional.
• V3 vented ball for prevention of trapped cavity pressure but with bi-directional sealing up to 300 psi.
• API 607 4^th Ed fire tested.