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Ductile iron material flexible rigid couplingProduct introductionFlexible coupling is designed for the pipe bearing moderate pressure. It allows controlled angular, linear and rotational movement at each joint and provides the added advantages of expansion, contraction and deflection. This is useful to accommodate uneven laying surfaces, and movement from thermal changes,settling, seismic effect or other causes. Flexible coupling can be used in fire protection system, feed water, natural gas system and etc.MaterialDuctile iron, Grey ironStandardBSPT(ISO 7/1), NPT(ANSI B1.20.1)DimensionASME B16.3, ASME B16.14, ASME B16.39,BS EN 10242, BS143, BS1256ISO 49, DIN 2985Working Pressure300psi / 2.5MpaSurfaceGalvanized / BlackColorExpoxy powder: Red orcustomizedConnectionGrooved or threadedShapeEqual, ReducingCertificationUL, FMApplicationSuitable for fire piping system, air, steam, water, gas, oil, home decoration, equipment, etc.Buyer’s drawing or designs are available.PackageCarton with plywood pallet or wooden boxFAQQ: Are you trading company or manufacturer?A:Both, we have our own factory, and have more than 10 years’ experiences in production.Q: How long is your delivery time?A: Generally 15 days after down payment. EPT 30 to 90 days.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<=1000USD, 100% in advance.Payment>=1000USD, 30% T/T in advance, balance before shippment.If you have another question, pls feel free to contact us.Ouradvantages:1:Globallyacceptabequality:Theproductsofferedbyusarethoroughlyexaminedbyourexperiencedprofessionalstoensuretheirdurability, reliabilityandlongservicelife.2: Competitiveprice: Directmanufacturer,reducingallunnecessarycostforyou.3: Professionalteam: 20yearsforeigncustomersserviceexperience.Over10yearsinvestment castingmanufacture.4: Goodservice:Customerisfirst.