|
Knife gate
valve
|
A series of valves
especially designed for industrial bulk handling service
applications.
FEATURES:
- Can be used as terminal fitting
- Casted Monoblock Design
- The gate is supported by casted wedges
- Two flush parts for water and air allow
cleaning of the seat area
- Threaded body holes for easy centering
- The gland packing can be fastened and
changed during operation
- Installation in horizontal position
- Can be dissassembled. Material specific
recycling is possible
- Possible actuators: hand wheel, chain
wheel, pneumatic or electric actuators
GENERAL
AAPLICATIONS
- Silo outlets
- Power plants
- Food and beverage
- Chemical plants
- Mining industry
- Pneumatic conveyor technology |
TECHNICAL DATA |
Nominal
diameter: |
DN 50 -DN 600
bigger sizes upon request |
| Faxe-to-face: |
works
standard |
Flange
accomodation: |
DIN 2501 PN
10 ANSI B 16.5, Class 150 |
Flange
surface
design: |
DIN 2632 |
| Marking: |
DIN EN 19 |
| Tightness
check: |
DIN 3230 T3
BN (Leakage Rate 1),
with soft sealing, ISO 5208
Category 3 |
Temperature
range: |
depending on
packing- and seal material |
| Pressure
load: |
Operating
pressure: Counter pressure (Seat)
DN 50 - DN 250: 10 kg/cm2
3 kg/cm2
DN 300 - DN 400: 6 kg/cm2
2 kg/cm2
DN
450:
5 kg/cm2 1,5 kg/cm2
DN 500 - DN 600: 4 kg/cm2
1 kg/cm2 |
| Body: |
GG-25, CF8M |
| Gate: |
AISI 304,
AISI 316, AISI 316 TI |
| Sealing: |
Metal or
EPDM
(other materials depending on medium and temperature) |
| Gland
packing: |
Braided
fibre plus an EPDM O-Ring
(other materials depending on medium and temperature) |
| Gland
follower: |
Aluminium,
Nodular Cast Iron,
Stainless Steel 1.4408 |
| Seat
retainer: |
Stainless
Steel 1.4301, 1.4401 |
| Support
plate: |
Steel |
| Head: |
Stahl |
DN
(mm) |
Size
(in) |
Dimensions
(mm) |
free
shaft
weight
(kg) |
hand
wheel
weight
(kg) |
 |
| A |
B |
C |
D |
E |
F |
H |
| 50 |
2 |
105 |
124 |
135 |
104 |
46 |
200 |
140 |
5,5 |
7,0 |
| 65 |
2
1/2 |
115 |
139 |
152 |
104 |
46 |
200 |
140 |
6,5 |
8,0 |
| 80 |
3 |
124 |
154 |
168 |
104 |
64 |
200 |
140 |
7,5 |
9,0 |
| 100 |
4 |
140 |
174 |
193 |
104 |
64 |
200 |
140 |
9,5 |
11,0 |
| 125 |
5 |
150 |
192 |
217 |
104 |
70 |
250 |
185 |
13,0 |
15,0 |
| 150 |
6 |
170 |
217 |
243 |
104 |
76 |
250 |
185 |
16,0 |
18,0 |
| 200 |
8 |
205 |
270 |
318 |
187 |
89 |
300 |
245 |
25,5 |
30,0 |
| 250 |
10 |
240 |
326 |
373 |
187 |
114 |
300 |
345 |
39,5 |
44,0 |
| 300 |
12 |
280 |
380 |
423 |
187 |
114 |
300 |
345 |
53,5 |
58,0 |
| 350 |
14 |
320 |
438 |
503 |
290 |
127 |
410 |
430 |
88,0 |
96,0 |
| 400 |
16 |
350 |
493 |
553 |
290 |
140 |
410 |
430 |
116,0 |
124,0 |
| 450 |
18 |
420 |
546 |
603 |
290 |
152 |
550 |
510 |
157,0 |
168,0 |
| 500 |
20 |
450 |
620 |
663 |
290 |
152 |
550 |
510 |
181,0 |
192,0 |
| 600 |
24 |
530 |
714 |
763 |
290 |
178 |
550 |
620 |
234,0 |
245,0 |
For DN 400 or bigger
nominal diameters we recommend to use angular gears for valves.
Subject to change without notice.
Back
to flat gate types |