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China, Chinese Nai-Lok Alloy 400 Monoflange Double Block & Bleed Valve Class 1500-2500 Instrumentation Manifold Valve1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
ValveNeedle ValveDouble Block ValveMonoflange Valve
Jipai Fluid Control Technology (Jiangsu) Co., Ltd.
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Product Description Product Description - NAI-LOK Monel Monoflange Double Block & Bleed Valve (Class 1500-2500)Overview:The NAI-LOK Monel Monoflange Double Block and Bleed Valve is engineered to provide safe, compact, and reliable isolation and venting for high-pressure instrumentation systems. Made from corrosion-resistant Monel alloy, it features a compact forged body with integrated dual isolation and a bleed function, reducing space, weight, and potential leak paths in process lines. This valve is ideal for offshore, chemical, and high-integrity applications. Product Description Key Features:Compact DBB Design:Integrated double block (2 isolation valves) and one bleed valve in a single bodyBody Material:Monel (UNS N04400) - excellent corrosion resistance in harsh environmentsPressure Rating:Class 1500 to Class 2500 (up to 6000 psi depending on configuration)Inlet Connection:ASME B16.5 flanged inlet, available in sizes from 1/2" to 2"Outlet Connection:Standard 1/2" NPT femaleBleed Port:1/2" NPT female with hex plug included as standardNeedle Valve:Precision needle valve with PTFE packing (Graphite optional for high temp)Testing:100% factory-tested with nitrogen or helium to ensure gas-tight integrity Applications:Offshore oil & gas and subsea platformsChemical injection and analyzer systemsPressure transmitter isolation and samplingNatural gas and corrosive media process linesPower generation and utility pipelines Customization Options:Alternate materials: Hastelloy, Inconel, Duplex, Stainless SteelPressure class: 1500 to 2500 End connections: NPT, FlangePacking materials: PTFE (standard), graphite (optional)OEM logo, label, and packaging services Product Parameters ParameterSpecificationProduct NameMonoflange Double Block and Bleed ValveSize1/2 Inch (other sizes on request: 3/4", 1")Pressure RatingClass 1500 (up to 420 bar / 6000 psi approx.)MaterialForged Stainless Steel 316 / 316L (other alloys available: Duplex, Super Duplex, Monel, Alloy HC-276)Connection EndsNPT, BSPP, Flanged (Class 150 - 2500)Design StandardASME / ANSI Operation TypeDouble Block and Bleed (2 isolation + 1 vent)Temperature Range-29°C to +250°C (-20°F to +480°F)FeaturesCompact design, leak-proof performance, easy installation, forged body constructionApplicationsOil & Gas, Petrochemical, Refinery, Offshore, Power Generation, Instrumentation Systems Material / AlloyUNS NumberMain CharacteristicsHastelloy? C276UNS N10276Excellent resistance to strong oxidizers, chlorine, and a wide range of chemical environments.Hastelloy? B2UNS N10665Outstanding resistance to hydrochloric acid at all concentrations and temperatures.Hastelloy? B3UNS N10675Better thermal stability and corrosion resistance than B2, especially against hydrochloric acid.Hastelloy? C22UNS N06022Superior resistance to oxidizing aqueous media, including wet chlorine and nitric acid.Inconel? 600UNS N06600Excellent resistance to oxidation and corrosion, good strength at high temperatures.Inconel? 625UNS N06625High strength and outstanding fatigue and thermal-fatigue resistance, excellent corrosion resistance.Incoloy? 800H / 800HTUNS N08810 / N08811Good strength and oxidation resistance at elevated temperatures, used in heat exchangers and furnace components.Monel? 400UNS N04400High strength and excellent resistance to seawater, acids, and alkalis.Alloy 20UNS N08020Excellent resistance to sulfuric acid, used in chemical and petrochemical industries.Alloy 254 SMO? (6Mo)UNS S31254Superior resistance to pitting, crevice corrosion, and chloride stress corrosion cracking.Super Duplex? 2507UNS S32750High mechanical strength and resistance to pitting, crevice corrosion, and stress corrosion cracking.Duplex 2205UNS S32205Balanced austenitic-ferritic structure, good resistance to chloride stress corrosion cracking.904L Stainless SteelUNS N08904Excellent resistance to strong reducing acids (sulfuric acid), superior to 316L in corrosion performance.Alloy C4UNS N06455Excellent resistance to strong oxidizing agents, even at elevated temperatures.Alloy 825 (Incoloy? 825)UNS N08825Good resistance to sulfuric and phosphoric acids, widely used in chemical processing. Detailed Photos
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