GESTRA®
Stop Valves Types GAV 800 F
Maintenance-Free with Bellows Seal
and Safety Stuffing Box
Stop Valve
PN 16-40
DN 15-300
Issue Date: 1/98
Purpose
Type
Max. admissible service pressure
in [bar] at [°C]
For the isolating and throttling of neutral and
aggressive gases, steam and liquids, e. g. air,
steam, gas, oil etc. in all industries.
Series
Type
DN
PN
GAV 803 F 15-300 16
GAV 805 F 15-300 16
GAV 806 F 15-150 25
GAV 811 F 15-300 40
GAV 820 F 15-200 40
GAV 822 F 15-200 40
Body Material
Cast Iron GG 25
(DIN No. 0.6025)
Nodular Cast Iron
GGG 40.3 (0.7040)
Nodular Cast Iron
GGG 40.3 (0.7040)
Cast steel GS-C 25
(1.0619)
Stainless Steel
X 9 CrNiMo 18 10
(1.4408)
Bonnet and yoke:
Steel
Stainless Steel
X 9 CrNiMo 18 10
(1.4408)
■
■
■
■
■
■
■
■
■
11
160
10
145
–
–
–
–
12
174
11
160
10
145
–
–
GAV 806 F
18
261
16
232
15
218
–
–
GAV 811 F
32
464
28
406
24
348
21
305
GAV 820 F
23
334
21
305
–
–
–
–
GAV 822 F *
23
334
21
305
–
–
–
–
Acceptance Inspection
Test Report 2.2 accord. to EN 10204.
Inspection Certificate 3.1B accord. to EN 10204
(Material, pressure and tightness)
In case of following differential pressures a
pressure balanced plug is required:
DN
∆p
125
150
200
250
300
25 bar 17 bar 10 bar 6 bar 4 bar
363 psi 247 psi 145 psi 87 psi 58 psi
GESTRA Stop Valve
Type GAV 8.. F
DN..., PN...
Materials:
Body:
Internals: Stainless Steel X 10 CrNiMoTi 18 10
(DIN No. 1.4571)
Maintenance-free design
Globe valve of straight-through design
Stainless steel metal bellows with outside
screw, safety stuffing box, detachable position
indicator and locking device
Maintenance-free
Bellows spindle seal
Safety stuffing box
Position indicator (detachable)
Rising stem design
Detachable locking device for all sizes
Outside screw
Rolled spindle thread
Asbestos free
GAV 803 F, 805 F, 806 F und 811 F:
■
GAV 803 F
GAV 805 F
Order and Enquiry Specifications
Features
■
250°C 482°F 300°C 572°F 350°C 662°F 400°C 752°F
[bar] [psi] [bar] [psi] [bar] [psi] [bar] [psi]
TÜV Test Approval No. 8/03
DVGW Registration No. 82.01 C 480
Special Equipment
■
Pressure/Temperature Ratings
Type
■
Parabolic valve plug
Limit switch
Max. admissible service pressure
in [bar]/[psi] at [°C]/[°F]
-10°C 14°F 0°C 32°F 120°C 248°F 200°C 392°F
[bar] [psi] [bar] [psi] [bar] [psi] [bar] [psi]
Special Designs
GAV 803 F
16
232
16
232
16
232
13
189
■
GAV 805 F
16
232
16
232
16
232
13
189
■
GAV 806 F
25
363
25
363
25
363
20
290
GAV 811 F
40
580
40
580
40
580
35
508
GAV 820 F
40
580
40
580
31
450
25
363
GAV 822 F *
40
580
40
580
31
450
25
363
* application down to -60 °C (76 °F)
PTFE soft seal
Butt-weld ends
800 F
A8
GESTRA GmbH
Stop valve
PN 16-40
DN 15-300
A8
P. O. Box 10 54 60, D-28054 Bremen
Hemmstraße 130, D-28215 Bremen
Tel. +49 (0) 421 35 03-0
Fax +49 (0) 421 35 03-393
Internet www.gestra.de
800 F
Dimensions
Lift
∅C
1
2
3
H
4
5
6
7
DN
8
9
10
11
L
L
130
150
160
180
200
230
290
310
350
400
480
600
730
850
H
191
191
197
200
218
220
238
257
340
360
390
530
665
720
Part Designation
125
125
125
125
150
150
175
225
300
300
300
–
–
–
4,3
4,8
6
7,8
10
13
19
26,5
39,5
57
82
168
238
339
4,3
4,8
6,3
7,3
10,3
12,6
19
25
35
56
74
144
–
–
4
5
6
7
11
8
9
10
[m3/h]
4,2
7,4
12
19
30
47
77
120
188
288
410
725
1145
1635
4,4
4,5
4,4
4,2
4,5
4,4
4,6
4,3
4,3
4,5
4,6
4,6
4,5
4,6
Stop valve (globe valve)
with welded ends similar to DIN 3239
803 F
805 F
806 F
811 F
DN ≤ 200: St (Steel)
DN > 200: Cast Iron GG-25 (0.6025)
820 F
822 F
DN ≤ 150 St, Zn
DN > 150 GG25, Zn
DN ≤ 150 St
DN > 150 GG25
2
Stem
Stainless Steel X 20 Cr 13 (1.4021)
S.S. X 6 CrNiMoTi 17122 (1.4571)
3
Bonnet and yoke
DN ≤ 200: Cast Iron
GG-25 (0.6025)
DN > 200:
Nodular cast iron
GGG-40.3 (0.7043)
DN ≤ 80: S.S. X 5 CrNiMo
(1.7122)
DN > 80: S.S.
G X 6 CrNiMo 1810
(1.4408)
4
Gland packing
5
Fixing studs
5.6
Hexagon-head screws
24 CrMo 5
(1.7258)
A 4-70
24 CrMo 5, A2 B
(1.7258)
6
Hexagon-head nuts
CK 35
(1.1181)
A4
CK 35
(1.1181)
7
Gasket
8
Bellows
Stainless Steel X 6 CrNiMoTi 17122 (1.4571)
Plug
DN ≤ 200: S.S. X 20 Cr 13 (1.4021)
DN > 200: H II – X 8 CrTi 18 (1.0425 – 1.4502)
9
Nodular
Cast iron
GGG-40.3
(0.7043)
DN ≤ 80:
Forged steel
C 22.8 (1.0460)
DN > 80: Cast steel
GS-C 25 N (1.0619)
graphited CrNi steel foil insert
S.S. X 20 Cr 13 (1.4021)
11 Body
Cast iron GG-25
(0.6025)
S.S. X 6 CrNiMoTi 17122
(1.4571)
S.S. X 5 CrNiNb 199
(1.4551)
Nodular cast Cast steel
iron GGGGS-C 25 N
40.3 (0.7043) (1.0619)
S.S. G X 6 CrNiMo 1810 (1.4408)
Designs
Parabolic valve plug
Soft seal plug
Supply in accordance with our general terms
of business.
Technical modifications reserved.
© 1997 GESTRA GmbH · BREMEN · Printed in Germany
DN ≤ 80: Forged
steel C 22.8 (1.0460)
DN > 80: Cast iron
GS-C 25 N
(1.0619.01)
Pure graphite
10 Seat ring
L
810145-01/198
kvs values Zeta values
Handwheel
3
H
125
125
125
125
150
150
175
175
225
225
300
400
520
520
Weight [kg]
811 F 820 F
822 F
1
1
2
DN
[mm]
6
6
8
8
13
13
16
20
25
32
40
50
70
80
803 F
805 F
806 F
3,7
4,4
5,1
6,5
8,8
11,7
14,7
21
33
48
69
105
180
265
Materials
Stop valve (globe valve)
with flanged connections
∅C
DN
15
20
25
32
40
50
65
80
100
125
150
200
250
300
∅C
PN 16 PN 40
PN 25
Max. service temperature 150 °C
with PTFE virgin
Max. service temperature 200 °C
with 25 % carbon filled PTFE
Valve with limit switch