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")

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Product Description

Stainless steel round pressure manway - key features

The round pressure manway is manufactured from stainless steel in AISI 304L (1.4307) grade, as well as AISI 316L (1.4404) for applications requiring greater resistance to environmental factors. The ranges of available sizes from DN220 to DN500, together with the pressure parameters, affect the ease of selection depending on the size of the tank.
The standard gaskets used in the manway are made of EPDM, however, other optional gasket materials significantly expand the spectrum of applications for the manway.

Aseptic closure

The solid closure of the manway cover, in the form of pressing elements permanently fitted to the tabs located on the edge of the cover, makes opening and closing the manway extremely comfortable.
At the same time, this solution reduces the deposition of dirt in the cover area, which ensures a higher level of hygiene of the manway.

Technical parameters

Manway elements

Symbol	Element
P	handwheel
U	handle
Product series	Series W
Shape	Round manways
Type	Pressure manway
Frame height (in mm)	100 mm
Frame wall thickness (in mm)	10.0 mm
Opening type	Outward
Industry	Brewing, Chemical, Dairy, Food production, Pharmaceutical
Size	below DN300, DN300 - DN500
Mounting method	in the tank roof (top manways)
Pressure	0.5 - 2.5 bar, 2.51 - 4.5 bar, 4.51 - 6.5 bar, 6.51 - 8.5 bar
Vacuum pressure	from -0.51 to -1.0 bar
PED certificate	no
Steel grade	AISI 304/304L, AISI 316/316L
Gasket material	EPDM, Silicone, Viton
Handwheel material	INOX

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Contact Info

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Address

No. 4516, Binhai 3rd Road 8, Xinghai Street, Longwan District, Wenzhou City, Zhejiang Province, China
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Tel

+86-577-85886898
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E-mail

Julong@snflange.com