Products
SHUANGNENG - Products

Manway and Manhole

SN Valve is manway and manhole manufacturer and supplier in China who can wholesale manway and manhole. They go by several different names: manways, manholes, handholes, access ports, and hatches, but their function is the same. Giving your customer access to the interior of the vessel is critical for their operation. With a stainless steel manway, tank maintenance such as periodic cleaning, inspection, and servicing is made easier. This maintenance will keep their vessel in peak working condition.


ShuanNeng Company manways are functional and have an aesthetic appeal that will add to the value of your tank. We offer manways that can handle atmospheric designs, pressure assemblies, and ASME code assemblies along with a wide variety of shapes and sizes. If you're not sure where to start, explore all manway models and parts at shop or view our downloadable 3D Models for project designs.


Customizable

We understand that unique tanks require unique manways, which is why we offer customized specifications such as: pressure ratings, extended collar lengths, material types, lift/spring assist, CRNs and more.

Styles

Depending on your industry, tanks can vary in design and size, that in turn can affect the style of manway needed for the job. That's why we carry over 30 options including; round, oval, rectangle, and cone shaped. Whether it's an atmospheric cross-arm manway or a 13 lug, high-pressured T-bolt style manway, we have something for your application.

Features and Requirements

●Safety: Manways must be designed with the safety of miners in mind, including ventilation, lighting, skid resistance and support.

●Accessibility: The width and height of the roadway should meet the needs of the miners and the passage of materials, while maintaining an appropriate slope to facilitate transportation.

●Maintainability: It should be easy to carry out routine maintenance and inspection work to ensure the stability and safety of the roadway.



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Industrial Grade Boom Manway

Industrial Grade Boom Manway

Find a huge selection of industrial grade boom manway from China at SN Valve. Industrial grade boom manway typically refers to a manway device designed for use in industrial environments with telescoping or removable parts. This type of device is particularly useful in industrial vessels that require frequent access, inspection or maintenance, as it provides greater flexibility and convenience.

SIZE:
DN150(6") DN200(8") DN250(10") DN300(12") DN350(14")
DN400(16") DN450(18") DN500(20") DN550(22") DN600(24")
Customized Size Consult Us

Mini Non-pressure Round Manway

Mini Non-pressure Round Manway

SN Valve is a leading China mini non-pressure round manway manufacturer. A small non-pressurised circular manhole is a device with a circular opening designed to allow personnel to enter or exit a vessel or piece of equipment without being subjected to internal pressure.
Non-pressure round manway
Cover can be opened upwards and sideways
Made of stainless steel AISI 316L
Basic versions available from stock
Gasket material: EPDM, silicone, NBR or Viton
Available diameters: DN150

SIZE:
DN150(6") DN200(8") DN250(10") DN300(12") DN350(14")
DN400(16") DN450(18") DN500(20") DN550(22") DN600(24")
Customized Size Consult Us

Round Pressure Manway

Round Pressure Manway

SN Valve is a leading China round pressure manway manufacturer. A circular pressure manhole is a device with a circular opening that allows personnel to enter or exit a vessel while being able to withstand the pressure inside the vessel. This design makes it easy to open and close the manhole when maintenance, inspection or cleaning of the vessel's interior is required, without concern for pressure leakage or safety issues.

SIZE:
DN150(6") DN200(8") DN250(10") DN300(12") DN350(14")
DN400(16") DN450(18") DN500(20") DN550(22") DN600(24")
Customized Size Consult Us

Single Square Manway

Single Square Manway

As the professional manufacturer, SN Valve would like to provide you high quality single square manway. Single square Manway are used in industrial fields such as dairy products, beer, food, beverages, and pharmaceutical processes.Generally all meet the special requirements of various media in food and biopharmaceutical fields.they are all relatively hygienic industries, completely food machinery industries, especially the equipment of large companies such as brewing and beverages.

SIZE:
DN150(6") DN200(8") DN250(10") DN300(12") DN350(14")
DN400(16") DN450(18") DN500(20") DN550(22") DN600(24")
Customized Size Consult Us

Non-pressure Round Manway

Non-pressure Round Manway

SN Valve is a leading China non-pressure round manway manufacturer. Non-pressure round manway is used on tanks or containers, especially in the dairy industry, where a hygienic closeable mean of access to the interior of the tank required.

SIZE:
DN150(6") DN200(8") DN250(10") DN300(12") DN350(14")
DN400(16") DN450(18") DN500(20") DN550(22") DN600(24")
Customized Size Consult Us

Elliptical Manhole Cover

Elliptical Manhole Cover

Find a huge selection of elliptical manhole cover from China at SN Valve. Elliptical Manhole Cover is used on tanks or containers, especially in the dairy industry, where a hygienic closeable mean of access and monitoring to the interior of the tank required.TElliptical Manhole Cover is mainly used for tanks in the fields offood, beverage, chemical, etc.

SIZE:
DN150(6") DN200(8") DN250(10") DN300(12") DN350(14")
DN400(16") DN450(18") DN500(20") DN550(22") DN600(24")
Customized Size Consult Us

Buy Manway and Manhole made in China from our factory. SN Valve is the professional China Manway and Manhole manufacturer and supplier.
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