Hose Diaphragm Safety Valves DN 15 - DN 150
type 800.801
Range of application: acids, alkaline solutions, aggressive liquids, water, waste water, sludges, liquids containing solids, crystallizing and highly viscous media etc., in by-pass lines as relief valve usable. |
 Fig. 801
| Construction: open coverage type, free and smooth opening passage, without stuffing box, with interchangeable rubber lining, with controlled operation, with mounted spring, with pressure screw. Materials: see table Operating pressure:
Flange connection: DIN 2501, PN 16, DIN 2533 / EN 1092 – 2, PN 16 Special constructions: rubber lining in quality NR food or heat resistant, " in quality Perbunan NBR or Neoprene CR, " in quality Butyl llR, Hypalon CSM or EPDM. | |||||||||||
| DN | L | ØD | H | B | B₁ ¹) | weight appr.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 the 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 | 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.