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China, Chinese Stainless Steel Rectangular Square Round Oval Pressure Tank Hatch Manhole (JN-ML1001)¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Industrial Products Supplier Manufacturer List Catalog

Fastener Fitting Combination Joint Fittings Manhole Stainless Steel Manhole

Wenzhou Joneng Valves Co., Limited

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Product Description Stainless Steel Rectangular Square Round Oval Pressure Tank Hatch Manhole (JN-ML1001) A stainless steel sanitary square manhole is a clean-in-place (CIP) access port used in hygienic processing systems. It provides a secure and sanitary opening for inspection, cleaning, and maintenance in tanks or vessels. Made from high-quality stainless steel, it ensures corrosion resistance and durability. Its square shape allows for easy installation and efficient sealing.Working PrincipleThe stainless steel sanitary square manhole operates by providing a secure access point on tanks or vessels. First, the manhole cover is opened, allowing personnel to inspect or clean the interior. The gasket ensures a tight seal when closed, preventing contamination and leakage. Its robust stainless steel frame withstands pressure and corrosion. During operation, the manhole remains tightly sealed to maintain sanitary conditions. Size: 300×300mm, 400×400mm, 500×500mmMaterial: 304 or 316L stainless steelThickness: 3mm - 6mmSealing ring: Silicone or EPDMDesign pressure: 0.3 - 1.0 MPaWorking temperature: -20oC to 150oCSurface roughness: Ra ≤ 0.8μmOpening method: Quick clamping or bolt fixingConnection method: Flange connection or welding Quality guarantee of 3 yearsISO 9001, FDA, SGS approved materials7-10 days fast delivery on urgent requirements20 years' Rich exporting experience to make you easy and happy with custom work Oval Non-pressure Manhole CoverOval Pressure Manhole CoverRound/ Rectangular Non-pressure Manhole CoverRound/Rectangular Pressure Manhole CoverDN500 Turnover Hopper ManholeSpecifications/ SizesNon-pressure sealing; sanitary sizes (DN range varies).Pressure-rated; exact rating varies.Atmospheric tanks; DN500-DN600 common.Pressure-rated; dairy-grade.DN500 turnover style.Working PrinciplesHinged/bolted closure for atmospheric tanks.Bolted closure withstands pressure.Hinged/turnover access.Pressure-tight bolted closure.Flip-open hopper manway.Key FeaturesSanitary finish, easy access, hygienic.Pressure seal, polished finish.Polished, crevice-free, CIP capable.Mirror polish, pressure-certified.Quick access, hygienic.Suitable ApplicationFood, beverage, dairy, pharma tanks.Pressurized vessels, steam/autoclave.Storage tanks, process vesselsPressurized food tanks, sterile storage.Hopper/discharge tanks. Product Description Stainless steel sanitary fittings are widely used in high cleanliness industries and have the following significant feature:1. Square Frame Reinforcement for Tank Wall IntegrationReinforced square frame ensures stable mounting on flat tank surfaces, offering enhanced rigidity during pressure or vacuum cycles.2. Full Radiused Corners for Hygienic Flow TransitionsInternal corners are smoothly radiused to eliminate dead zones, improving clean-in-place (CIP) flow and minimizing bacterial accumulation.3. Heavy-Duty Locking System with Safety InterlockRobust swing bolts and optional safety latch provide secure sealing, reducing the risk of accidental opening during operation.4.Raised External Collar for Splash ProtectionThe elevated collar around the manhole opening helps deflect overflow, offering extra contamination prevention in washdown zones.5.Profiled Gasket Groove to Prevent Seal DisplacementGasket groove is precision-machined to lock the seal in place, maintaining uniform compression and minimizing leakage risk.6.Quick-Open Hinge Design with Position RetentionThe hinged cover remains open and stable during inspection, allowing hands-free tank access for operators during servicing.Product ParametersPackaging & ShippingFABFeature AdvantageBenefit1.Designed with a flat square frame for tank wall mounting, this manhole provides excellent surface compatibility and uniform contact. The flat profile enhances installation on rectangular or angular tank structures.2.Equipped with a precision-machined groove, the seal sits tightly without misalignment. This ensures consistent compression and improves long-term sealing reliability.3.Features a lift-assist hinge system allowing smooth opening. Operators can access the tank interior easily, especially during CIP or inspection.4.Includes an integrated safety locking system to prevent accidental release. The robust closure mechanism boosts operational safety in high-pressure environments.5.Constructed with polished internal surfaces and radius corners. It minimizes residue buildup, improving hygiene and cleaning efficiency.6.The cover plate is reinforced with support ribs. It prevents deformation during vacuum or pressure, maintaining long-term sealing integrity.1.Superior structural strength and sealing efficiency are achieved even under thermal cycling. This leads to minimal maintenance and less downtime in sanitary processing.2.Quick-open design with no-tool operation enhances operator efficiency. This design significantly reduces opening time, streamlining access.3.External splash guard collar design minimizes outside contamination. It adds a secondary barrier against splashes or CIP backflow.4.High compatibility with standard CIP/SIP systems and cleanroom operations. It integrates seamlessly into strict hygienic processes.5.Gasket groove prevents twisting or extrusion during pressure spikes. This feature extends gasket lifespan, reducing part replacement.6.Anti-drop hinge holds the lid in fixed open position. This reduces risk of operator injury, especially during overhead maintenance.1.By reducing microbial dead zones, this design improves compliance. It supports hygienic certifications like 3-A and EHEDG.2.Long-lasting performance cuts cost over time. Operators experience lower downtime, improving plant productivity.3.Clean design with no exposed threads or pits. This avoids cross-contamination, aligning with pharmaceutical-grade processing.4.Easy gasket replacement design speeds up maintenance. Downtime is minimized, optimizing production uptime.5.Compatible with various pressure ranges and applications. It adapts to different working conditions, boosting versatility.6.Offers clear operator handling safety during cleaning. The manhole cover stays secured, preventing unexpected lid drops.Product RecommendationsCompany Profile Wenzhou Joneng Valves Co., Limited We supply sanitary butterfly valve, sanitary flow diversion valve, sanitary CPM valve, sanitary regulating control valve, sanitary diaphragm valve, sanitary ball valve, sanitary sampling valve, sanitary safety valve, sanitary pressure reducing valveSanitary elbow, sanitary tee, sanitary reducers, sanitary unions, sanitary clamp, sanitary ferrule, sanitary pipe clamps, sanitary cleaning ball, sanitary sight glass, sanitary manway manhole cover, sanitary strainer, filters, and other sanitary pipe fittings... Welcome to check our other products. About usJoNeng was established in July 2007, strategically situated in Wenzhou, China. Boasting a team of approximately 100 skilled workers, our expansive factory spans 6800m2, dedicated to delivering exceptional valve and pipe solutions with precision and excellence.Under the esteemed Joneng enterprise, we proudly operate three specialized manufacturing facilities. Jiayuan excels in producing elbow, tee, and reducer fittings in both sanitary and schedule grades; Lingdong focuses on precision-engineered ferrules, unions, sight glasses, and butterfly valves using advanced CNC technology; while Ezo specializes in designing high-quality manhole covers and small tanks to meet diverse industrial needs. Mainly manufactureStainless steel butterfly valves, ball valves, check valves, CPM valves, and diaphragm valves, meticulously designed for reliability and precision in fluid control systems.Stainless steel sanitary and industrial-grade elbow, tee, reducer, ferrule, and union fittings, engineered for seamless connectivity and outstanding performance.Stainless steel sight glass, spray ball, manhole cover, flanges, strainers, filters, and pipe clamps, offering comprehensive solutions to meet your varying operational demands.Stainless steel centrifugal pumps, CIP pumps, emulsifying pumps, and rotary pumps, ensuring efficient and effective fluid handling and processing across diverse industries.International standardsOur products are expertly crafted to align with SMS, DIN, AS, BS, BPE, JIS, ISO, ANSI B16.5, ASME, and other international standards. We also offer the flexibility of customized solutions. Our high-quality products have successfully reached over 100 countries, including Europe, America, the Middle East, Australia, Turkey, Iran, and Thailand, showcasing our global presence and commitment to excellence.Wenzhou Joneng Valves Co., Limited proudly extends its reach to a diverse array of countries and regions including Europe, America, the Middle East, Australia, Turkey, Iran, Thailand, and more, amassing a remarkable presence in over 100 countries worldwide.Joneng stands as a paragon of quality assurance, adorned with the prestigious CE, PED, and ISO 9001 certifications, which exemplify our unwavering dedication to superior quality management. Our products also adhere to FDA standards, reinforcing trust and reliability at every step. Extensive inventory of pipe fittingsOur extensive inventory of pipe fittings features an array of stainless steel options: elbows, tees, reducers, unions, ferrules, butterfly valves, check valves, and ball valves, empowering us to deliver goods promptly and with unparalleled efficiency.3-year guarantee and 24 hours concernsOur pledge to excellence is embodied in our promise of swift 24-hour resolution for any quality complaints, nurturing customer satisfaction while driving continuous enhancement.At Wenzhou Joneng Valves Co., Limited, we extend an unmatched 3-year guarantee on all stainless steel components, offering you peace of mind. Should any quality issues surface with our valves and fittings, please do not hesitate to contact us. We assure a swift response with action initiated within 24 hours to resolve any concerns effectively.Welcome to the factory√ With 17 prolific years of dedicated expertise in the industry, we embody an unwavering commitment to quality and innovative solutions.√ Spanning an impressive 6800m2, our state-of-the-art facility is adeptly equipped to manage diverse production demands with flawless efficiency.√ Our skilled workforce of 100 employees fuels our engine of excellence and propels our growth trajectory.√ Thriving in over 100+ countries, our expansive global reach is a testament to the trust and satisfaction our international clientele repose in us.√ With a formidable network of 1000+ partners worldwide, our collaborative endeavours continue to drive success and shared aspirations. OUR PRODUCTION CAPACITY Production LinesStainless steel sanitary pipe fittings' line, machining line, sanitary manhole line, Product RangeSanitary butterfly Valve, sanitary diaphragm valve, sanitary pipe fittings, union, ferrule, sight glass, manhole cover, safety valve, sampling valve...Year Established2007Factory Size in Square Meters5000M2NO. OF TOTAL STAFF130Production Capital8 000 000 USDDetail capacityManhole covers12000nos Pipe fittings150000nos Ferrules, unions, connectors200000nos Diaphragm valves15000nos Butterfly valves20000nosInvestment in Manufacturing Equipment750000USDDetails of equipmentFor machining parts29 nos of LG Mazak CNC Machines4 nos of local CNC machines2 nos of automatic CNC center12 nos of plain latheFor pipe fittings4 nos of press3 nos of cutting machine3 nos of chamfering machineWe also have the following quipments4 nos of polishing machine12 nos of grinding machine3 nos of laser marking machine3 nos of pressure testing machine1 nos of temperature testing machine3 nos of spectro instrument1 nos of surface roughness devicePrimary Competitive AdvantagesStrict inspection, honest business way, fast revert on order problemStocked materialsBig quantity for raw forging of butterfly valve, diaphragm valve, ferrule, union, adapters, pipe fittings, clamps, sight glass, safety valve, manhole cover, OEM Services ProvidedYesDesign Service OfferedYesSales Volume6 000 000 USDExport Percentage80%MAIN MARKETUSA, Germany, Hungary, Canada, Thailand, Holland, England, South Africa, Indonesia, Saudi, India, New Zealand, Australia, Middle East...Own Brand NameJoNengCertificationsFAQ 1. Are you a trading company or factory? We are a manufacturer factory and we also have our own exporting license. 2. Do you have certificate? Yes, ISO, FDA, LFGB, CE, PED certificate. We also have some patents in design. 3. How do you control the quality? In quality control, the most important is to avoid material mixing. In our factory, 3 spectro PMI machines are used in raw material warehouse, production plant, dispatch plant. Pressure inspecting machine, PMI machines, RA roughness spector, hardness testing machine...All machines help in inspection. 2 staff inspect during production in different sections5 staff inspect the finished productions to avoid shortage, poor quality, mixing chemical...4. How many factories do you have?Under the esteemed Joneng enterprise, we proudly operate three specialized manufacturing facilities. Jiayuan excels in producing elbow, tee, and reducer fittings in both sanitary and schedule grades;Lingdong focuses on precision-engineered ferrules, unions, sight glasses, and butterfly valves using advanced CNC technology; while Ezo specializes in designing high-quality manhole covers and small tanks to meet diverse industrial needs.5. If there is any quality problem, how do you solve it? We are very proud that we never make one customer leave us. We are not 100% perfect, there is some quality problem. Normally replacement, or compensation, or resend goods to customers as per the condition. To be discussed as per condition. 6. How long is your delivery time? For normal products in 7-10 days; For bulk order, in 15-25 days. It depends. 7. Warranty time? 3 years warranty for all of our stainless steel products. Gaskets or the easy broken parts are not included due to the different application for customers. 8. Why trust in us? 14 years in this industry. It makes us professional. Good credit in this market. All of our machines are the assurance of our responsibility. 9. Free sample? Free samples can be provided for first cooperation under sincere cooperation. 10. What is the MOQ? 1PCS MOQ is welcome for starting cooperatoon11. Material certificate? Material certificaite, mill certificate, pressure testing certificate, roughness certificate, measure certificate, RT certificate, ...Can be available, please declare when inquiry us. 12. More questions are appreciated. 0

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