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The name of this valve comes from the wing-like action of the flow-controlling disc, which operates at right angles to the flow. The disc has about the same diameter as the connecting pipe, and the flow is straight through, with a low pressure drop. Maintenance is easy due to the small number of moving parts. The butterfly valve can be used either as an on/off or modulating type of valve. The Type 75 Butterfly Valve is only offered in 18" to 24" sizes. These valves may be operated manually, electrically, or pneumatically.
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Standard model (18" - 24") has polypropylene body, disc and EPDM seat.
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403 stainless steel stem has full engagement over the entire length of the disc and is a non-wetted part totally isolated from the media.
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Bubble-tight seating.
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Only abrasion resistant, solid plastic disc and elastomeric liner are wetted parts
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- Sizes: 18" - 24"
- Models: Wafer Style
- Bodies: PP and PVDF
- Discs: PP and PVDF
- Seats: EPDM or FKM. Also Nitrile, Butyl,Hypalon®†, and Neoprene®†
- Seals: EPDM or FKM. Also Nitrile, Butyl, Hypalon®†,
and Neoprene®†
- Stems: 403 and 316 stainless steel, titanium, Hastelloy C®‡,etc.
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- Series 79 Pneumatic
- Series 92 & 94 Electric
- Series 83 Electromni
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Pneumatically and electrically actuated with accessories
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Lug style (Stainless Steel 304 and 316) as blocking and end-of-line applications
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Stems in 316 Stainless Steel, Titanium, Hastelloy C® etc.
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2" square nut on gear
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Stem extensions (single stem and two-piece stem)
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Locking device
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Chain operators
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Manual limit switch
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Chemical Processing
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Water & Wastewater
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Landfills
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Irrigation
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Food Processing
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Mining
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