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This valve is typically utilized in dilute phase pressure or vacuum systems or under atmospheric (gravity) conditions.  This valve gets its name due to the fact that the slide plate has an orifice (opening) that, when the valve is opened, aligns with the openings in the top and bottom valve frame openings.  It utilizes dynamically loaded polymer seals (pressure plates) and provides positive material and air flow shut off up to 15 PSIG.  It is important to note that this valve is not to be used in Sugar or similar type fine, sticky or packable material applications.

STANDARD CONSTRUCTION FEATURES

• Aluminum frame
• 304 Stainless steel orifice blade
• 304 Stainless steel sleeve insert and out flanges to provide 304 SS material contact
• Nylon pressure plates backed with a T-cell foam void filler and natural rubber load seals

OPTIONAL FEATURES

• Special service inlet for protection of the seals when closing on material or when handling hard or abrasive materials
• Air, electric, hand wheel or hand crank operated
• Single or double solenoid air control valve
• Mechanical, proximity or reed type proof switches
• NEMA 4, NEMA 6, NEMA 7/9, TEFC or XP electrical enclosure
• 316L Stainless steel product contact
• Variable position open/closed air control assembly
• Modified pipe flange mounting
• ANSI 125# – 150# mounting
• High temperature service (250°F or 400°F)
• Water washdown/sticky materials modifications – Electropolished blade with polyester or UHMW seals

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