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China, Chinese Manual Flange Connection Fluorine Polymer Lined PTFE / PFA / FEP Diaphragm Valve1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
ValveDiaphragm ValveFluorine Lined Diaphragm ValveFlanged Diaphragm Valve
ZHENGZHOU FREE FLUID CONTROL TECHNOLOGY CO., LTD
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Product Description GeneralFREE-VALVE Manual Flange Connection Fluorine Polymer Lined PTFE / PFA / FEP Diaphragm Valve is a special form of on-off valve, disc is a diaphragm made of corrosion-resistant soft material,the diaphragm separates the bottom body cavity from the top bonnet cavity, so that the stem, metal disc and other parts above the diaphragm are not subject to media corrosion,so fluorine lined diaphragm valve eliminate the packing seal structure, and will not produce media leakage. Features The diaphragm of using FEP/FPA/PTFE and rubber composite, suitable for variety of corrosive media.100% gas seal can be achieved to ensure no leakage in outlet port.No direct contact between metal parts and medium slurry.Bi-directional and full flowing path can reduce pressure drop, weaken abrasion and prolong the service working life.Technical Specification 1Size RangeNPS1~NPS16,DN25~DN4002Nominal pressureClass 150 /PN10/PN163Applicable Temperature0~200oC4Connection TypeFlange 5Lining MaterialPTFE , PFA , FEP6DiaphragmEPDM+PFA /FEP7Pressure testGB/T13927, API5988Face to FaceGB/T12221, ASME B16.109Operating TypeManual Temperature of use and suitable media of body lining materialLining materialService temperature,°CApplication mediumNR-10°C~+85°Cexclusive of strong oxidants:hydrochloric acid, fluorosilicic acid, phenolic acid, 30 percent sulfuric acid, 80 percent phosphoric acid, alkali, salt, gold plating solution, sodium hydroxide, potassium hydroxide, neutral salt aqueous solution, 10 percent sodium hypochlorite, ammonia, most alcohols, organic acids and aldehydes,ectEPDM≤120°CIt has the similar acid and alkaline properties of natural glue, and it is very good for low pressure steam, hot water and cold water.PTFE(F4)≤180°CStrong acid, strong base, strong oxidant, organic solvent, etcFEP(F46)≤120°CAny organic solvents or reagents, xi or concentrated inorganic acids, bases, ketones, aromatics, chlorinated hydrocarbons, etcPFA≤180°CStrong acid,strong alkali,Strong oxidant, organic solvent, etc Main dimension DNDNPNLDD1n-?dEG41W/J/F46DN20PN10121105754-?14DN25131115854-?14DN321501401004-?18DN401631501104-?18DN501941651254-?18DN652201851454-?18DN802582001608-?18DN1003092201808-?18DN1253622502108-?18DN1504122852408-?22DN2005293402958-?22DN25064139535012-?22DN30075744540012-?22G41FW/J/F46DN15PN1012595654-?14DN20135105754-?14DN25145115854-?14DN321601401004-?18DN401801501104-?18DN502101651254-?18DN652501851454-?18DN803002001608-?18DN1003502201808-?18DN1254002502108-?18DN1504602852408-?22DN2005703402958-?22DN25068039535012-?22DN30079044540012-?22DN35090050546016-?22DN400100057051516-?26Note:in the suitable media column, "W" means the body without lined,"J" means the body lined hard rubber,"F46" means the body lined fluorine plastic, ApplicationFREE-VALVE Manual Flange Connection Fluorine Polymer Lined PTFE / PFA / FEP Diaphragm Valves are widely used in chemical industry, medicine and other industrial sectors to achieve the cutting of acid, alkali and other corrosive media in the production process.
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