LIWI 7020 Round Manhole Cover Suppliers

Overview

Standard Design

Wetted material 1.4301/1.4404

Cover material 1.4301/1.4404

Silicone-gasket

4 Plastic handle

Tempered glass

With flange

Outward-open

Surface matte-finish

OD 600mm

Full welding technology

Options

Optional wetted materials 304,316,316L

Various surface qualities 0.4μm-0.8μm

Various surface finish: Mirror Polish, Sandblasted, etc.

Various handles: Stainless steel, etc.

Various gasket qualities

Neck thickness can be modified

Height can be modified

OD optional for 200/300/400/450/500

Gasket material optional for EPDM, FPM

Specs

STANDARD SIZE /* At temperature 50℃/122℉

CODE	A	OD×C	BOLTS	B	P.MAX
	mm	mm	mm	mm	bar
7020 200	200	206×3.0	4	100	2.5
7020 300	300	306×3.0	4/6	100	2.0
7020 400	400	406×3.0	4/6	100	1.5
7020 450	450	456×3.0	4/6	100	1.5
7020 500	500	506×3.0	4/6	100	1.0
7020 600	600	606×3.0	4/6	100	0.5

IF YOU WANT TO CHECK FOR MORE DETAILS
PLEASE CHECK THE FOLLOWING DRAWING
*1BAR≈14.5PSI≈0.1MPA

LIWI Parts drawing

GASKET
Part No.	Material	Color
7010 04 1	Silicone	White
7010 04 2	EPDM	Black
7010 04 3	FPM	Black

Item	Description	Material	Qty
1	Frame	1.4301/1.4404	1
2	Cover	1.4301/1.4404	1
3	Glass	Tempered glass	1
4	Seal	PTFE	2
5	Handle	Plastic/1.4301	4
6	Flange	T304	1
7	Swing bolt	T304	4
8	Screw	T304	4
9	Nut	T304	1
10	Cotter Pin	T304	1
11	Pin	T304	1

LIWI Technology
TECHNICAL DATA
Working pressure: . . . . . . . .Acc. to table standard size.
EN10204. 3.1 certificate

Options

Stainless Steel Finishes

POLISHED WITH RA (μ)

BEAD BLASTED

PICKLED : ON REQUEST

ELECTRO POLISHED

Cover & Frame Range
Cover Thickness	Frame/Neck Height
20mm	85mm (3.35”)
22mm	100mm (3.94”)
35mm	120mm (4.72”)
	150mm (5.91”)
	200mm (7.76”)
	250mm (9.85”)

Note: Longer heights are also available.

Videos

Downloads

ZIMANI Round Pressure Manway Cover with Glass-Pane - LIWI type - Product leaflets - 7020.pdf

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