Gates

We offer the best product range of Roller Gate, Clear Action Gate, Airlock Maintenance Gate, Quantum Orifice Gate and Roller Gate - Dual Cylinder.

Roller Gate

Series RG

This valve is typically utilized under gravity conditions or, in some instances, it can also be used in a vacuum conveying system. This valve utilizes a seal (UHMW Polyethylene or nylon) located on the topside of the valve slide plate with no additional seal on the underneath side. Roller bearings are located beneath the slide plate to support and guide the plate into position. STANDARD CONSTRUCTION FEATURES 304 Stainless steel or aluminum frame, cylinder mount and safety covers304 Stainless steel blade304 Stainless steel seal and shear protectorsNylon rollersPolymer lined orifice with wear compensating PET sealsBonnet seals are removable and replaceable through side access ports while gate remains in service OPTIONAL FEATURES Special service inlet for protection of the seals when closing on material or when handling hard or abrasive materialsAir, electric, hand wheel or hand crank operatedSingle or double solenoid air control valveMechanical, proximity or reed type proof switchesNEMA 4, NEMA 6, NEMA 79, TEFC or XP electrical enclosure316L Stainless steel product contactVariable position openclosed air control assemblyFlange mounting using standard bolt pattern, CEMA bolt pattern or custom bolt patternHigh temperature service (250F or 400F)Water washdownsticky materials modifications Electropolished blade with polyester or UHMW seals

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Clear Action Gate

Series JA

This valve is typically utilized in dilute phase pressure or vacuum systems or under atmospheric (gravity) conditions. This valve is similar in design to the Orifice Gate with the exception that the slide plate does not have an orifice (opening), but does have a machined square edge to minimize shearing and packing of materials. It utilizes dynamically loaded polymer seals (pressure plates) and provides positive material and air flow shut off up to 15 PSIG. The valve is ideally suited for materialpressure shut-off when located above a rotary airlock. It is important to note that this valve, when equipped with the optional air purge assembly, can be used in fine, sticky or packable material (not Sugar) applications. STANDARD CONSTRUCTION FEATURES Aluminum frame304 Stainless steel bladeLive loaded, hard polymer sealsStainless steel product contact surfacesStud bolt flanged tube connection OPTIONAL FEATURES Special service inlet for protection of the seals when closing on material or when handling hard or abrasive materialsAir, electric, hand wheel or hand crank operatedSingle or double solenoid air control valveMechanical, proximity or reed type proof switchesNEMA 4, NEMA 6, NEMA 79, TEFC or XP electrical enclosure316L Stainless steel product contactVariable position openclosed air control assemblyModified pipe flange mountingANSI 125# 150# mountingHigh temperature service (250F or 400F)Water washdownsticky materials modifications Electropolished blade with polyester or UHMW seals

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Airlock Maintenance Gate

Series MG

Our Rotary Airlock Maintenance Gate MG Series is our most cost effective method of isolating the rotary valve from upstream equipment (e.g. storage, etc.) in order to perform maintenance on the valve. The MG series is designed for airlocks with square inlet flanges. Gate support (typ. 2 plcs.)Gate plate 10 gaugeUrethane seal cover plate to cover opening when not in useRefer to HS series airlock datasheet for inlet and outlet flange dimensionsUrethane seal cover plate to cover opening when not in use

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Quantum Orifice Gate

Series GRA

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 frame304 Stainless steel orifice blade304 Stainless steel sleeve insert and out flanges to provide 304 SS material contactNylon 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 materialsAir, electric, hand wheel or hand crank operatedSingle or double solenoid air control valveMechanical, proximity or reed type proof switchesNEMA 4, NEMA 6, NEMA 79, TEFC or XP electrical enclosure316L Stainless steel product contactVariable position openclosed air control assemblyModified pipe flange mountingANSI 125# 150# mountingHigh temperature service (250F or 400F)Water washdownsticky materials modifications Electropolished blade with polyester or UHMW seals

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Roller Gate - Dual Cylinder

Series RGDC

This valve is typically utilized under gravity conditions or, in some instances, it can also be used in a vacuum conveying system. This valve utilizes a seal (UHMW Polyethylene or nylon) located on the topside of the valve slide plate with no additional seal on the underneath side. Roller bearings are located beneath the slide plate to support and guide the plate into position. STANDARD CONSTRUCTION FEATURES Two (2) double acting, magnetic piston air cylindersAluminum frame304 Stainless steel blade304 Stainless steel seal and shear protectors304 Stainless steelnylon product contact surfaces100% Polymer lined orifice with wear compensating sealsNylon roller bearings to support and guide the blade into positionSafety coversOne (1) single solenoid air control valve NEMA 4 enclosureTwo (2) magnetic reed proof switches SPST NEMA 6 enclosure OPTIONAL FEATURES 316L Stainless steel material contact surfacesDouble solenoid air control valveElectro-polished bladeHardened steel rollersSealed bodySeal access Removable sealsSpecial service inletNEMA 79 electrical enclosures

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