Hose Diaphragm Safety Valves DN 15 - DN 150, PN 3 - PN 6 - type 800.801

Range of application:
acids, alkaline solutions, corrosive liquids, water, waste water, sludges, solid-containing, crystallizing and pasty media etc., in by-pass lines usable as relief valve.

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Fig. 801

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Construction:
open coverage type, free passage, without stuffing box, with interchangeable rubber lining,
with controlled operation,
with mounted spring,
with adjusting screw.

Materials:
see table

Operating pressure:
DN 15 –   80       max. 6 bar
DN 100                max. 5 bar
DN 125 – 150     max. 3 bar

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


	Special constructions: hose inserts in foodstuff and heat resistant NR-quality, in Neoprene CR, Perbunan NBR, Butyl llR, Hypalon CSM, EPDM.

DN	L	ØD	H	B	B₁ ¹)	weight approx. kgs
15	130	95	290	110	105	6
20	150	105	295	110	128	7
25	160	115	320	130	128	8,3
32	180	140	335	130	134	10,6
40	200	150	365	130	155	14,4
50	230	165	355	130	178	16,3
65	290	185	470	130	240	25,5
80	310	200	513	130	245	30
100	350	220	756	205	290	60
125	400	250	925	270	350	85
150	480	285	985	270	410	110
dimensions in mm ¹) max. valve width (not drawn)

part	designation	material
1	upper part of the body ¹)	GG 25
2	lower part of body ¹)	GG 25
3	rubber lining	NR (+85°C)
4	pressure part compl.	GGG
5	stem	stainless steel
6	building construction	steel
7	spring plate below	steel
8	spring	zinc-coated steel
9	nuts	steel
10	spring plate above	steel
11	bridge	steel
12	spring pressure screw	brass
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.

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