Hose Diaphragm Float Valves DN 20 - DN 80
type 500.501



Range of application:
acids, alkaline solutions, aggressive liquids, water, waste water, sludges, liquids containing solids, crystallizing and highly viscous media etc.

Hose Diaphragm Float Valves DN 20 - DN 80 - type 500.501
Fig. 501
zoom in


Construction:
free and smooth opening passage,
without stuffing box,
with interchangeable rubber lining,
with controlled operation,
closing when the float rises,
without float and float rod (can be delivered on demand against additional charge).

Materials:
see table

Operating pressure:
DN 20 - 80 max. 6 bar

Flange connection:
DIN 2501, PN 16, 
DIN 2533 / EN 1092-2, PN 16

Special constructions:
rubber lining in quality NR food or heat resistan,
            "           in quality Perbunan NBR or Neoprene CR,
            "           in quality Butyll lR, Hypalon CSM or EPDM.
Cylindrical float in special stainless steel,
copper and steel rubberized,
float rod in special stainless steel and steel
rubberized.

DNLØDHH₁ABB ¹)CGXweight
appr. kgs
2015010525027060100012810001804106,5
2516011524527060100012810001804507,5
3218014026029060100013410001905609,5
40200150305340701000155100023047018
50230165340375801000178100024043718,5
65290185380420751000240100026047027
80310200405455901000245100029060033
dimensions in mm
¹) max. valve width (not drawn)
float measures E and F at max. working pressure in bar ²)
DN123456
20280305305340380380
25305340340380380380
32305340340380380380
40340380380420420460
50340380380420460460
65420460500500600600
80420460500600600600
dimensions in mm
²) smaller floats for longer lever arms on request
partdesignationmaterial
1upper part of the body ¹)cast iron GG 25
2lower part of the body ¹)cast iron GG 25
3rubber liningNR
4pressure partcast iron GGG
5divided ringsteel
6divided ringcast iron GG 25
7stembrass
8fork piecegunmetal
9leversteel
10float rodstainless steel
11floatstainless steel/copper
12holding disc / screwsteel
¹) parts 1 and 2 to be ordered together only.

Please quote the medium, concentration, temperature,
max. and min. working pressure in inquiries and orders.

We reserve the right to alter technical data.