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Diaphragm valves offer many combinations of body materials and elastomeric diaphragm materials. The valve design is abrasion-resistant and non-clogging. When the diaphragm, which is connected to the stem of the valve by a compressor, is pulled away from the bottom of the valve body or weir, the path of the fluid has a smooth, streamlined flow. Slurries at low pressure that would normally clog most other valve designs easily pass through a diaphragm valve. The valve has a top-entry design, allowing in-line maintenance; it is suitable for throttling and on/off service in applications ranging from water treatment to chemical abrasion processes. Diaphragm valves are operated manually, electrically, or pneumatically.
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Flanged face-to-face dimensions are equivalent to those of Type G diaphragm valve
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Rugged body and bonnet are of solid thermoplastic for maximum corrosion resistance
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Bubble-tight sealing, even in applications such as slurries or suspended particles
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Weir design for excellent throttling
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Uniquely designed body and bonnet together with diaphragms of new sealing designs by the state-of-the-art computer aided analysis for superior sealing
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Bonnet seals to protect internals from corrosive environments
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Built-in travel stop to prevent diaphragm from being over-tightened
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Indicator at the top for valve position and prevention of over-tightening
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PVDF gas barrier, which protects EPDM backing cushion from gas permeation, is standardized for PVDF valves
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Sizes: 5" - 6"
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Body Materials: PVC, PP and PVDF
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Bonnet Materials: PVC, PP, PPG and PVDF
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Diaphragms: EPDM and PTFE
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Also available in other materials such as Nitrile and FKM
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- Series 92 Electric
- Pneumatic (Consult Factory)
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PVDF gas barrier for PVC and PP Diaphragm Valves
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2" square operating nut
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"T" operating nuts for remote operation
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Stem extensions (single stem or two-piece stem)
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Chain operators
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Locking device for tamper-proofing
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Manual limit switches for remote position indication by lights or for sequencing of other equipment
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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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