EPDM seat casting iron knife gate valve with high quality DN250Purpose Mainly used for slag, bug dust, paper pulp, sewage, asphalt, grout etc. Transporting pipelines in industrial, mining, environmental protection, food etc. Trades, acting at connecting and closing the pipeline.FeaturesThere is no dregs and no block-up in the round runner. The round runner is compactly designed and features a small space, light weight, easy repair and a long duration. The inside of the valve, triangular and pentagonal channels so as to suit for the fluid control requirement. There are butt-clamped and flange lug two connection types and metal hard seal, metal-to-polyurethane and reinforced PTFE soft seals.Executive standardFlange standard: GB/T9113Test and inspection: GB/t13927Performance range PN1.01.6MPaStrength test1.52.4Sealing test 1.11.76Suitable temperaturePTFE≤200; Carbon steel≤425; Stainless steel≤600; Chrome-molybdenum-vanadium steel≥600ºCMedia usedSyrup, paper pulp, sewage, coal paste, lime-ash water etc.Main part materials Title of part Material Body/bonnet Carbon steel,Stainless steelGate Carbon steel, Stainless steelStem Stainless steelSealing faceRubber. PTFE. Stainless steel. Carbide alloyMain dimensions DN506580100125150200250300350400450500600700800900D018018022022023028036036040040040530530600600680680L484850505757707076768989114114127127154Hmax285298315365400475540630780885990110012001450170020002300 Packing: wooden case FAQQ: Are you trading company or manufacturer ?A: We are factory Located In Tianjin, China.Q: What's your product range?A: We produce Butterfly valve, Gate valve, Check valve, Y strainer ,Water Controlling Valve and other Pipe Accessories .Q: What's Execution Standard?A: ISO/ANSI/DIN/JIS/ EN/GOST/AS standard.Q: What's your Strong product ?A: Centre Line Butterfly valve, Eccentric Butterfly valve ,Resilient Seat Gate valve, and largest size to DN3200 .Q: How long is your delivery time?A: Generally it is 10 days if the goods are in stock. or it is 35 days if the goods are not in stock, it is according to quantity.Q: Do you provide samples ? is it free or extra ?A: Yes, we could offer the sample for free charge but do not pay the cost of freight.Q: What is your terms of payment ?A: Payment=10000USD, 30% T/T in advance ,balance before shipment. /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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