HIGH PERFORMANCE DOUBLE OFFSET BUTTERFLY VALVE …
22
DEMBLA VALVES LTD. DEMBLA VALVES LTD. Aiming at perfection More Info - www.dembla.com Dembla First issue Aug -2014 : Rev-0 Aug-2014 HIGH PERFORMANCE HIGH PERFORMANCE SERIES - 7400 SERIES - 7400 BUTTERFLY VALVE BUTTERFLY VALVE DOUBLE OFFSET DOUBLE OFFSET Dembla
Transcript of HIGH PERFORMANCE DOUBLE OFFSET BUTTERFLY VALVE …
DEMBLA VALVES LTD.DEMBLA VALVES LTD.
Aiming at perfectionMore Info - www.dembla.com
Dembla
Fir
st
issu
e A
ug
-2014 :
Rev-0
Au
g-2
014
HIGH PERFORMANCEHIGH PERFORMANCE
SERIES - 7400SERIES - 7400
BUTTERFLY VALVEBUTTERFLY VALVE
DOUBLE OFFSETDOUBLE OFFSET
Dembla
Design Construction
Double Offset
Features
OFFSET FROM CENTRE OF VALVE
OFFSET FROM CENTRE OF SEAT
VALVE CENTRE LINE
SHAFT CENTRE LINE
Dembla High Performance Butterfly Valves are
available in Wafer and Lug type designs conforming to
API 609 standard. The Disc construction is Double
Offset providing excellent controllability, bubble tight
shut off, greater seat life and smooth operation. Valves
are specially designed for applications in Chemical,
Petroleum, Hydro Carbons Processing, Pulp & Paper
and HVAC industries.
Well supported shaft with heavy duty bearings ensure
perfect alignment of seat and disc for smooth and
trouble free operations. Valves have been rigorously
tested to ensure industry performance requirements.
4Valve body is solid, heavy duty. Seat
Retainer construction allows Gasket
conforming to API 609.
4Optimal disc geometry and cavity free
flow passage offers minimum flow
resistance and high Cv values.
4Heavy duty pins connecting valve shaft
to disc avoids lost motion under high
torque conditions.
4Long life, easy field replaceable seat
placed in body, away from flow steam,
provides bubble tight shut off. Valves
are equally suitable for control and
tight shut off applications.
4Low friction bearings provide
maximum radial support for higher
shaft loads. The PTFE lined bearings
having low co-efficient of friction
minimizes operating torque and reduces
actuator size. They are slip in-place
type, easy for assembly and
disassembly.
4Seat option includes PTFE, EPDM,
Viton Soft Seats and Flexible Metal
Seats to suit variety of fluids and
applications.
4Recommended for critical applications
including high temperature services,
throttling steam control, liquor services,
gas applications, vacuum applications,
corrosive fluids, refinery services,
chemical services, hydrocarbon
services, etc.
BUTTERFLY VALVE
Dembla Valves |7400 1
Specifications
2” (50mm) to 120” (3000mm)
Class 150 , Class 300 ,Equivalent to DIN
Flanged ( 2” to 120” Only) &
API 609 , ANSI B 16.34 , ANSI B 16.5
API 598 , FCI 70-2
Class VI for PTFE, EPDM, Viton Soft Seats,
Class IV for Flexible Metal Seats
Bi Directional
Valve Sizes :
Ratings :
Body Style :
Design Standard :
Testing Standard :
Seat Leakage Option :
Flow Direction :
Design & Manufacturing :
Face to Face Dimensions :
Flange Dimensions :
Pressure Temperature Rating :
Valve Inspection :
API 609 Category B
BS 5155
API 607 (Fire Safe)
API 609
BS 5155
BS EN 558-1
ISO 5752
ANSI B 16.5 (DN 50 to DN 600)
ANSI B 16.47 (DN 650 to DN 1500)
ANSI B 16.34
API 598
FCI 70-2
Conformity To Codes
Testing and Inspection
Test PressuresTest Test Stds Test Medium Acceptance Criteria
Hydro Test
Seat Leakage
Test
30 Bar (ANSI 150#) API 598 Water No Leakage
80 Bar (ANSI 300#) API 598 Water No Leakage
Max P Shut Off FCI 70-2 Water Class VI
20 Bar (ANSI 150#) API 598 Water No Leakage
54 Bar (ANSI 300#) API 598 Water No leakage
Dembla Valves |7400 2
BUTTERFLY VALVE
PN2.5, PN6, PN10, PN16, PN25, PN40
Lugged & Wafer ( 2” to 80” Only)
Seat Design Options
Dembla offers a wide variety of seat design options which are cost-effective and
provide solutions to your service requirements. The Double Offset disc construction
minimizes the interference between seat & disc edges allowing longer seat life even
under frequent valve operations. Seats are available in both rigid & flexible construction
to suit specific requirements. The seats are held rigidly by the seat retainer which is
inserted within the body per API 609 design requirements. This construction allows use
of Gasket conforming to API 601 (ANSI 16.5) Standard and eliminate the possibility of
JOINT LEAKAGE from body to the atmosphere.
V -Ring PTFE seat having a flexi lip provides bubble tight shut off in both the
directions. Suits to wide range of applications. Maximum working
Temperature 200°C.
Rubber seats are available in EPDM, NBR and Viton materials. Rigid
seats allow a clean flow passage & prevents fluid deposition within the
seat. These seats are ideal for many applications in Sugar Industry Rigid
seats allows unidirectional flow (i.e. shaft side inlet) providing tight shut off
under positive & vacuum applications. With this configuration the shaft
side is upstream side.
Flexible Ptfe Seat
Flexible Rubber (EPDM / NBR / Viton) Seat
BUTTERFLY VALVE
Dembla Valves |7400 3
Most suitable for high consistency fluids having suspended hard
particles, for erosive services, for high temperature services >200°to
550°C.
Die pressed stainless steel seats with inbuilt flexible property gives Class
IV leakage with minimal torque requirements
Flexible Metal
Flow from Seat Retainer Side
Flow from Shaft Side
The lip shaped PTFE Seat moves axially in
the direction of flow with the assistance of line pressure. The tightness
between seat and disc increases with increases in line pressure.
With the line pressure acting on the disc, it tries to
move towards the seat which is supported by Seat Retainer. Seat does
not move giving simple leak tight seal.
Before Fire After Fire
Fire Safe Design
Dembla Valves |7400 4
BUTTERFLY VALVE
Valve Components
Sr. No. Part Name
1 Valve Body
2 End Cover
3 Disc
4 Valve Shaft
5 Disc Pin
6 Seat Ring
7 Seat Retainer Screw
Sr. No. Part Name
8 Body Gasket
9 Seat Retainer
10 Guide Bush
11 Gland Packing
12 Gland Bush
13 Gland Studs
14 Gland Flange
15 End cover bolts
Dembla Valves |7400 5
BUTTERFLY VALVE
Gland Packing Options
Dembla offers Single and Double set of V-PTFE rings (up to 200°C) and Graphite
Moulded rings (>200°C up to 600°C) as standard. Inverted V- fered for vacuum
application with upper set of V-Rings positioned PTFE packings are of reverse
direction. Low fugitive Emission packings are provided on The LFE packing
arrangement request. comprises of live loaded packings. The packing gland is loaded
with spring washers to maintain a continuous compressive lead to gland packings as
shown in figure below
Inverted V-PTFE Gland PackingFor Vacuum Application
Single V-PTFE Gland Packing
Sr. No. Part Name
1
2
3
4
5
6
GLAND STUD
NUT
GLAND FLANGE
GLAND BUSH
VALVE SHAFT
V-RING PTFEGLAND PACKING
7 PACKING
SPREADER (REAR)
7
1
4
3
2
5 6
7
BUTTERFLY VALVE
Dembla Valves |7400 6
Single PTFE Packing
Single V-PTFEWith Spring WasherLoaded Gland Packing
Gland Packing Options
Sr. No. Part Name
1
2
3
4
5
6
WASHER
SPRING WASHER
GLAND FLANGE
GLAND BUSH
‘O’ RING
V-RING PTFE
GLAND PACKING
7 VALVE SHAFT
8 PTFE GLAND
PACKING
1
6
7
3
2
5
4
8
BUTTERFLY VALVE
Dembla Valves |7400 7
Valve Torques (N m)
ANSI Class 150 P , Bar
INCH MM P = 5 P = 5 P = 15
2" 50 32 40 46 49 51 55 59 65 53 65 69 72
2.5" 65 36 39 48 53 52 54 62 72 60 72 78 89
3" 80 38 40 49 55 58 65 72 79 72 81 89 97
4" 100 42 46 54 65 72 82 90 98 82 92 112 127
5" 125 52 62 68 89 78 95 109 168 98 112 129 190
6" 150 64 94 148 164 112 145 178 190 124 160 197 230
8" 200 105 149 168 199 285 320 360 390 308 325 402 422
10" 250 190 230 270 350 290 328 392 410 318 336 408 428
12" 300 240 290 380 440 298 375 460 582 336 433 531 635
14" 350 420 490 620 732 558 740 950 1040 598 784 971 1158
16" 400 510 790 890 1400 942 1062 1340 1730 948 1089 1386 1780
18" 450 780 975 1680 1920 980 1318 1862 2100 1046 1345 1944 2180
20" 500 970 1480 1980 2300 1240 1724 2100 2640 1366 1793 2305 2818
22" 550 1312 1970 2550 3400 1620 2240 2700 3890 1628 2320 2896 3990
24" 600 1840 2400 2950 3940 2350 2850 3450 4300 2500 2930 3780 4400
26” 650 2290 2978 3818 4334 2817 3663 4695 5634 3467 4506 5778 6934
28” 700 2901 3741 4656 5084 3568 4601 5728 7043 4392 5663 7050 8668
30” 750 3208 4200 5268 5778 3945 5165 6479 7700 4853 6356 7974 9477
32” 800 3741 4886 6107 7164 4601 6009 7511 8919 5663 7397 9246 10980
34” 850 4581 5955 7252 8320 5634 7324 8919 11268 6934 9014 10890 13867
36” 900 5343 6870 8697 9592 6573 8451 10329 13146 8091 10402 12712 16180
38” 950 6107 7634 9925 10862 7511 9391 12208 15023 9246 11556 15023 18491
40” 1000 6870 9161 11451 12712 8451 11268 14085 16902 10402 13867 17335 20802
42” 1050 7634 10688 12979 13867
44’ 1100 9161 12213 14124 15023
46” 1150 10688 12979 15269 17334
48” 1200 12213 14504 17176 19067
50” 1250 13507 15973 18791 21234
52” 1300 15034 17852 21024 23834
54” 1350 16559 19730 23254 26290
56” 1400 19379 22784 26895 30046
58” 1450 22432 25016 29244 34967
60” 1500 25955 30301 35351 43768
64” 1600 32063 37113 42984 50558
66” 1650 35467 41106 47682 55902
72” 1800 41927 48622 55904 70347
76” 1900 46714 54174 62288 78381
80” 2000 51762 60026 69017 86848
84” 2100 57067 66180 76091 95750
88” 2200 62631 72633 83511 105087
92” 2300 68454 79385 91275 114857
96” 2400 74536 86439 99384 125061
100” 2500 80879 93793 107838 135701
104” 2600 87610 101446 116639 146883
108” 2700 94478 109399 125782 158281
110” 2750 98010 113489 130484 164198
112” 2800 101606 117653 125273 170222
116” 2900 108994 126206 145107 182598
120” 3000 116640 135061 155288 195408
METAL SEATED VALVESOFT SEATED VALVEVALVE SIZE FIRE SAFE DESIGNED VALVE
P = 10 P = 20 P = 5 P = 10 P = 15 P = 20 P = 10 P = 15 P = 20
BUTTERFLY VALVE
Dembla Valves |7400 8
INCH
2”
2.5”
3”
4”
5”
6”
8”
10”
12”
14”
16”
18”
20”
22”
24”
28”
30”
32”
36”
40”
42”
48”
MM
50
65
80
100
125
150
200
250
300
350
400
450
500
550
600
700
750
800
900
1000
1050
1200
45
48
57
62
78
96
172
218
322
498
836
990
1520
2040
2515
3820
4315
4946
6986
9315
10776
14688
53
55
60
68
93
166
202
325
466
762
1485
1980
2450
3520
4074
5154
5886
7288
9721
12896
14056
19248
61
64
71
79
115
178
235
380
525
985
1612
2165
2775
3890
4488
5689
6645
7459
10818
14715
16330
21297
68
75
82
88
124
185
260
398
585
1205
1790
2390
2980
4118
4915
6716
7758
9278
13814
17678
19128
26005
73
81
92
99
134
198
295
422
638
1285
1940
2550
3236
4288
5315
7315
8357
10160
15365
19262
20901
28049
82
90
98
104
148
220
335
468
712
1405
2110
2990
3650
4702
5780
8160
9212
12225
17166
20612
22728
29148
52
65
76
96
123
142
240
362
506
883
1261
1579
2193
2828
3440
5253
5909
6839
9633
12843
14938
20305
58
71
81
107
138
192
302
496
728
1316
1919
2615
3476
4522
5312
7693
8537
10124
14385
18726
19989
27608
64
78
88
117
156
212
340
574
953
1573
2307
3124
4245
5347
6326
9052
10485
11574
16323
21345
23485
30631
72
86
95
127
166
225
370
614
1073
1803
2636
3567
4892
6278
7357
11544
12747
14524
19664
25491
28214
37648
79
90
101
140
179
240
406
650
1189
2023
2952
3977
5496
6907
8169
11843
14073
15994
21325
27615
30433
40668
89
99
109
148
194
262
438
702
1377
2203
3157
4467
6044
7795
9014
13293
15183
18054
23774
30826
34010
43881
78
81
95
129
167
188
308
505
690
1267
1686
2167
2865
2615
4365
6686
7503
8731
12279
16371
19099
25921
83
88
101
145
182
218
402
666
990
1876
2352
3250
4501
5524
6549
10231
11187
12960
19049
24556
25921
35968
85
92
104
154
196
246
445
768
1380
2161
3001
4083
5715
6804
8164
12414
14325
15688
21828
27975
30639
39964
89
96
107
165
208
264
480
829
1560
2401
3481
4744
6804
8437
9798
16371
17736
19770
25513
33304
37300
49290
91
99
109
180
223
282
517
878
1740
2761
3963
5403
7756
9526
11023
16371
19789
21828
27285
35968
39964
53286
93
107
120
192
240
304
541
936
2041
3001
4203
5944
8437
10887
12247
18426
21154
23883
30382
41040
45292
58614
METAL SEATED VALVEVALVE SIZE SOFT SEATED VALVE FIRE SAFE DESIGNED VALVE
P=20P=0-10 P=25 P=35 P=40 P=51 P=20P=0-10 P=25 P=35 P=40 P=51 P=20P=0-10 P=25 P=35 P=40 P=51
ANSI Class 600 P , Bar
ANSI Class 300 P , Bar
3”
4”
5”
6”
8”
10”
12”
14”
16”
18”
20”
22”
24”
80
100
125
150
200
250
300
350
400
450
500
550
600
58
64
82
102
176
248
369
608
892
1078
1680
2132
2215
85
98
128
191
265
398
722
1232
1812
2422
3152
4186
5230
103
148
186
242
382
665
1178
1686
2242
3118
3728
4760
5886
121
169
222
306
488
832
1392
2247
2821
3582
4540
5986
6880
133
189
249
348
556
1128
1486
2488
3476
3980
5108
6435
10093
141
212
278
379
695
1386
1676
2692
3832
4432
5498
6986
10192
85
125
160
205
312
458
855
1090
1532
1746
2734
3545
4798
113
208
272
383
536
879
1362
2148
2891
3330
4726
6399
7784
155
265
392
512
890
1289
2008
2716
3737
4680
3686
8735
11385
181
323
477
613
1015
1522
2396
3549
4546
5836
8011
11323
13490
193
359
563
743
1087
1781
2660
4023
5347
6555
10048
12629
15990
204
390
613
933
1297
2044
3010
4283
6030
7234
10905
13700
16854
102
151
189
258
389
598
1242
1442
2042
2285
3688
4778
7082
112
268
356
516
728
1280
1922
2934
3840
4108
6140
8442
11182
168
342
518
712
1288
1804
2708
3610
5102
6102
8884
12540
16585
VALVE
SIZESOFT SEATED VALVE FIRE SAFE DESIGNED VALVE METAL SEATED VALVE
192
428
663
840
1422
2092
3280
4711
6122
7940
11312
16481
19801
203
469
798
1048
1508
2304
3704
5409
7099
8980
14828
18623
21587
218
508
848
1388
1780
2582
4204
5716
8088
9876
16142
20224
23316
P=0-10 P=35 P=55 P=70 P=80 P=102 P=0-10 P=35 P=55 P=70 P=80 P=102 P=35 P=55 P=70 P=80 P=102P=0-10MMINCH
Dembla Valves |7400 9
BUTTERFLY VALVE
Cv Values (usgpm)
A�351�Gr.�CF8M�,�CAST�STAINLESS�STEEL�
A�216�Gr.�WCB�,�CAST�CARBON�STEEL�
CLASS 300, PN 40CLASS 150, PN16
0 500400300200100-100
800
700
600
500
400
300
200
100
0 50 300250200150100-50
50
40
30
600
20
10
LO
W T
EM
PE
RA
TU
RE
RA
TIN
G
-20
-29
0TEMPERATURE , C
MA
XIM
UM
DIF
FE
RE
NT
IAL
PR
ES
SU
RE
, P
SI
0TEMPERATURE , F
MA
XIM
UM
DIF
FE
RE
NT
IAL
PR
ES
SU
RE
, B
AR
0 500400300200100-100
800
700
600
500
400
300
200
100
0 50 300250200150100-50
50
40
30
600
20
10
LO
W T
EM
PE
RA
TU
RE
RA
TIN
G
0TEMPERATURE , C
MA
XIM
UM
DIF
FE
RE
NT
IAL
PR
ES
SU
RE
, P
SI
0TEMPERATURE , F
MA
XIM
UM
DIF
FE
RE
NT
IAL
PR
ES
SU
RE
, B
AR
-20
-29
Pressure-Temperature Ratings
VALVE SIZE
INCH MM
2
2½
3
4
5
6
8
10
12
14
16
18
20
24
28
30
32
36
40
42
44
48
52
54
56
60
64
66
72
50
65
80
100
125
150
200
250
300
350
400
450
500
600
700
750
800
900
1000
1050
1100
1200
1300
1350
1400
1500
1600
1650
1800
25
39
82.5
200
325
525
1100
1650
2550
2900
4000
5250
7000
10800
14935
17000
20585
27750
36800
41325
45600
54150
60840
66750
71000
79500
92160
98010
116640
50
78
165
400
650
1050
2200
3300
5100
5800
8000
10500
14000
21600
29870
34000
41170
55500
73600
82650
91200
108300
121680
133500
142000
159000
184320
196020
233280
150#, PN 16
60 902
2½
3
4
5
6
8
10
12
14
16
18
20
24
28
30
32
36
VALVE SIZE
INCH MM300#, PN 40
60 9050
65
80
100
125
150
200
250
300
350
400
450
500
600
700
750
800
900
25
39
82.5
200
325
525
900
1575
2375
2600
3450
4650
5650
9250
12785
14550
17620
23750
50
78
165
400
650
1050
1800
3150
4750
5200
6900
9300
11300
18500
25570
29100
35235
47500
ANSI 150#, PN16 ANSI 300#, PN 40
VITONMETAL�SEAT(use�graph�of�stainless�steel)
PTFE��
EPDMRPTFE��
SATURATED�STEAM
Body&
Disc
Seals
BUTTERFLY VALVE
Dembla Valves |7400 10
Flow Characteristic Curves30000
20000
10000
8000
6000
4000
3000
2000
1000
800
600
400
300
200
1008060403020108643
1020
2575
3040
5060
7080
90
80
100
125
150
200
250
300350
400
450
500
600
123 4 5 6 8 10 14 16 18 20 24
CO C I IE C , S PF O F vWL E F N GT U M
FLOW COEFFICIENT Cv , USGPM
DIS
C O
PE
NIN
G A
NG
LE
, DE
GR
EE
S
E Z , MEL SI VA V M
L I HNA VE EV S , CIZ
210
400
650
1050
1800
3150
47505200
6900
9300
11300
18500
40000
750
9003630
29100
47500
60000
CL
AS
S 300
502
70
652.1/2
130
30000
20000
10000
8000
6000
4000
3000
2000
1000
800
600
400
300
200
1008060403020108643
1020
2575
3040
5060
7080
90
50
65 80 100
125
150
200
250
300350
400
450
500
600
122
2.1/2
3 4 5 6 8 10 14 16 18 20 24
F vWL E F N GC T U MO C I IE C ,
�
S PF
�
O
� �
FLOW COEFFICIENT Cv , USGPM
DIS
C O
PE
NIN
G A
NG
LE
, DE
GR
EE
S
L S E
�
I
�
VA V MME
�
Z ,
VEVA
�
S E
�
, CL IZ
�
IN H
210
400
650
1050
2200
3300
51005800
8000
10500
14000
21600
70
130
CL
AS
S 150
60000
4000034000
75030
55500900
36
Dembla Valves |7400 11
BUTTERFLY VALVE
Series ‘E’ and Series ‘P’ actuators are powerful,
compact and durable units for use on quarter turn
applications. These are available in Double acting
and spring return versions. Various models are
available to suit a large range of torque
requirements. All actuators have mounting
flanges and drives to ISO 5211.
Piston Actuator (single / Double Acting)
Diaphragm Actuator
Actuators
Series ‘Ldp’ actuators are Diaphragm operated rotary actuators using
linkage arrangement for motion transfer from linear to rotary. These
actuators are exclusively designed for Butterfly Valves and are
suitable for regulating and on-of f applications. The actuators
provide accurate, safe and reliable valve operation at low supply
pressures. Heavy-duty lever arrangement offers great stability
under high torque and shock conditions. Low friction operation
allows more accurate control, low maintenance and long service life.
Dembla Valves |7400 12
BUTTERFLY VALVE
Series ‘MOR’ Gear operators offer
simple and reliable manual positioning
of the valves. These actuators consist
of worm gear arrangement housed in a
robust cast iron housing. Sturdy design
provides long life and maintenance free
services. The high gear ratios enable
the minimum input efforts for high
torque conditions.
Gear Operator
Hand Lever
Series ‘H’ Hand lever arrangement provides latching
system in open, closed and eight intermediate positions. A
pointer indicates the position of disc and an additional lock
facility is provided to prevent unauthorized valve
operation. Lever actuators are provided on size 2” (50mm)
to 6” (150mm) only. For size 8” (200mm) and above, Gear Operators are recommended.
BUTTERFLY VALVE
Dembla Valves |7400 13
Accessories Options
Following Accessories are offered
as per Customers requirements :
4 Pneumatic Valve Positioners,
4 Electro Pneumatic Valve Positioners,
4 Air Filter Regulators,
4 Air Lock Relays,
4 Air Volume Boosters,
4 Limit Switches,
4 Proximity Switches,
4 Solenoid Valves,
4 Position Feedback Transmitters,
4 Quick Exhaust Valves,
4 I/P Converters.
Limit Switch
Smart Positioner
Electro Pneumatic Positioner
BUTTERFLY VALVE
Dembla Valves |7400 14
B
A
C
ØE
F
INCH (DN)
2"
2.1/2"
3"
4"
5" 57.0
54.0
48.0
43.0
46.0
VALVE SIZE
A B C ØE F
(50.0)
(65.0)
(80.0)
(100.0)
(125.0) 187.0
153.0
131.0
100.0
110.0
155.0
122.0
97.0
75.0
80.0
186.0
157.0
127.0
92.0
105.0
(150.0) 187.0 155.0 216.06" 57.0
150#-WAFER DESIGN
150#
INCH (DN)
2"
2.1/2"
3"
4"
5" 59.0
54.0
48.0
43.0
46.0
VALVE SIZE
A B C ØE F
(50.0)
(65.0)
(80.0)
(100.0)
(125.0) 187.0
160.0
131.0
100.0
110.0
155.0
142.0
97.0
75.0
80.0
186.0
162.0
127.0
92.0
105.0
(150.0) 187.0 167.0 216.06" 59.0
300#-WAFER DESIGN
300#
Dimension Wafer Design
257.0
250.0
221.0
172.0
182.0
278.0
275.0
243.0
221.0
172.0
182.0
277.0
BUTTERFLY VALVE
Dembla Valves |7400 15
Dimension Wafer Design
4 Nos.,’Y'-DiaON 'Z' P.C.D.
C
B
A
ØE
F
4 Nos.,’Y'-Tapping ON 'Z' P.C.D.
VALVE SIZE
INCH, (DN)
150#-WAFER DESIGN
-
-
-
-
-
-
28.6
28.6
31.75
25.4
øY
22.2
25.4
YHole TappingF
64.0
71.0
81.0
92.0
102.0
114.0
ØE
270.0
324.0
381.0
413.0
470.0
535.0
CB
210.0
240.0
285.0
300.0
350.0
385.0
A
217.0
250.0
310.0
320.0
340.0
375.0
(250.0)10"
(450.0)18"
(400.0)16"
(350.0)14"
(300.0)12"
(200.0)8"
150#
406.0 400.0 584.0 127.0
510.0 460.0 692.0 154.0
666.0 640.0 1022.0 241.0
-
-
-(900.0)36"
(600.0)24"
(500.0)20"
476
540
578
432
Z
298
362
635.0
749.0
1086.0
1.1/8"
1.1/4"
1.1/2"
300#-WAFER DESIGN
Z
330.0
387.0
514.0
571.5
629.0
686.0
813.0
451.0
1089.0
Y
7/8"
1"
1.1/8"
1.1/8"
1.1/4"
1.1/4"
1.1/4"
1.1/2"
1.5/8"
F
73.0
83.0
92.0
133.0
149.0
159.0
241.0
117.0
181.0
ØE
270.0
324.0
381.0
413.0
470.0
533.0
584.0
692.0
1022.0
C
318.0
378.0
B
225.0
250.0
300.0
335.0
402.0
427.0
450.0
564.0
730.0
A
217.0
270.0
310.0
335.0
400.0
425.0
460.0
550.0
742.0
VALVE SIZE
INCH (DN)
(900.0)36"
(600.0)24"
(500.0)20"
(450.0)18"
(400.0)16"
(350.0)14"
(300.0)12"
(250.0)10"
(200.0)8"
300#
318.0
352.0
425.0
438.0
458.0
503.0
551.0
893.0
660.0
435.0
490.0
545.0
578.0
700.0
960.0
728.0
Dembla Valves |7400 16
BUTTERFLY VALVE
B
C
FF
'X' Nos., 'Y' -TAPON 'Z' P.C.D.
A
ØGØE
INCH (DN)
VALVE SIZE 150#-LUGGED DESIGN
C
275.0
243.0
221.0
172.0
182.0
277.0
B
155.0
122.0
97.0
75.0
80.0
155.0
A
187.0
153.0
131.0
100.0
110.0
187.0(150.0)6"
(125.0)5"
(100.0)4”
(80.0)3"
(65.0)2½"
(50.0)2"
Z
121.0
140.0
152.0
190.5
216.0
241.0
Y
5/8"
5/8"
5/8"
5/8"
3/4"
3/4"
X
4
4
4
8
8
8
ØG
254.0
228.5
190.5
152.5
178.0
279.5
F
57.0
54.0
48.0
43.0
46.0
57.0
ØE
186.0
157.0
127.0
92.0
105.0
216.0
Dimension Lug Design
150#
300#-LUGGED DESIGN
Z
127.0
149.0
168.0
270.0
200.0
235.0
Y
5/8"
3/4"
3/4"
3/4"
3/4"
3/4"
X
8
8
8
8
12
8
ØG
279.4
254.0
209.5
165.1
190.5
317.5
F
59.0
54.0
48.0
43.0
46.0
59.0
ØE
186.0
157.0
127.0
92.0
105.0
216.0
C
257.0
250.0
221.0
172.0
182.0
278.0
B
147.0
150.0
116.0
75.0
80.0
174.0
A
187.0
160.0
131.0
100.0
110.0
204.0
INCH�������(DN)
VALVE SIZE
(150.0)6"
(125.0)5"
(100.0)4"
(80.0)3"
(65.0)2.1/2"
(50.0)2"
300#
Dembla Valves |7400 17
BUTTERFLY VALVE
F
'X' Nos., 'Y'-TAPON 'Z' P.C.D.
ØG
ØE
C
A
B
Dimension Lug Design
VALVE SIZE
A B C ØE ØG
217.0
250.0
210.0
240.0
270.0
324.0
310.0
320.0
340.0
375.0
285.0
300.0
350.0
385.0
381.0
413.0
470.0
535.0
406.0 400.0 584.0
INCH (DN)
(200.0)8"
(250.0)10"
(300.0)12"
(350.0)14"
(400.0)16"
(450.0)18"
(500.0)20"
F
64.0
71.0
81.0
92.0
102.0
114.0
127.0
343.0
406.5
482.5
533.5
597.0
635.0
698.5
510.0 460.0 692.0(600.0)24" 154.0 813.0
666.0 640.0 1022.0(900.0)36" 241.0 1168.0
318.0
352.0
425.0
438.0
458.0
503.0
551.0
893.0
660.0
150#-LUGGED DESIGN 150#
YZ
3/4"
7/8"
298.0
362.0
X
8
12
476.0
540.0
578.0
432.0
1.1/8" 635.0
7/8"
1"
1"
1.1/8"
12
12
16
16
20
1.1/4" 749.020
1.1/2" 1086.032
Tap
VALVE SIZE
INCH (DN) A
238.0
275.0
320.0
372.0
425.0
460.0
525.0
550.0
715.0
B
239.0
278.0
330.0
367.0
408.0
445.0
510.0
566.0
720.0
(200.0)8"
(250.0)10"
(300.0)12"
(350.0)14"
(400.0)16"
(450.0)18"
(500.0)20"
(600.0)24"
(900.0)36"
C
343.0
390.0
435.0
490.0
545.0
578.0
700.0
960.0
728.0
300#-LUGGED DESIGN ØE
270.0
324.0
381.0
413.0
470.0
533.0
584.0
692.0
1022.0
ØG
381.0
444.5
520.7
584.2
647.7
711.2
774.7
914.4
1168.0
Y
7/8"
1"
1.1/8"
1.1/8"
1.1/4"
1.1/4"
1.1/4"
1.1/2"
1.5/8"
Tap Z
330.0
387.0
514.0
571.5
629.0
686.0
813.0
451.0
1089.0
X
16
12
16
20
20
24
24
24
32
F
73.0
83.0
92.0
133.0
149.0
159.0
286.0
117.0
181.0
300#
Dembla Valves |7400 18
BUTTERFLY VALVE
Dimension Flanged Design
A
B
C
F
'X' Nos., 'Y' -DIAON 'Z' P.C.D.
ØE ØG
INCH (DN)
VALVE SIZE 150#-FLANGED DESIGN
Z
121.0
140.0
152.0
190.5
216.0
241.0
ØY
19.0
22.0
19.0
19.0
19.0
22.0
X
4
4
4
8
8
8
ØG
254.0
228.5
190.5
152.5
178.0
279.5
F
140.0
127.0
114.0
140.0
112.0
108.0
ØE
186.0
157.0
127.0
92.0
105.0
216.0
C
275.0
243.0
221.0
172.0
182.0
277.0
B
155.0
122.0
97.0
75.0
75.0
155.0
A
187.0
153.0
131.0
100.0
110.0
187.0(150.0)6"
(125.0)5"
(100.0)4"
(80.0)3"
(65.0)2.1/2"
(50.0)2"
150#
300#-FLANGED DESIGN
Z
127.0
149.0
168.0
270.0
200.0
235.0
ØY
19.0
22.0
22.0
22.0
22.0
22.0
X
8
8
8
8
12
8
ØG
279.4
254.0
209.5
165.1
190.5
317.5
F
200.0
190.0
180.0
150.0
170.0
210.0
ØE
186.0
157.0
127.0
92.0
105.0
216.0
CB
188.0
148.0
92.0
70.0
75.0
190.0
INCH. (DN)
VALVE SIZE
A
192.0
172.0
131.0
100.0
110.0
201.0(150.0)6"
(125.0)5"
(100.0)4"
(80.0) 3"
(65.0)2.1/2"
(50.0)2"
300#
257.0
250.0
221.0
172.0
182.0
278.0
Dembla Valves |7400 19
BUTTERFLY VALVE
300#-FLANGED DESIGN
8” (200.0)
10” (250.0)
12” (300.0)
14” (350.0)
16” (400.0)
18” (450.0)
20” (500.0)
24” (600.0)
36” (900.0)
VALVE SIZE
INCH. (DN) C A
240.0
263.0
303.0
340.0
400.0
425.0
460.0
523.0
765.0
B
220.0
250.0
290.0
320.0
402.0
427.0
450.0
550.0
780.0
338.0
395.0
445.0
505.0
540.0
620.0
691.0
788.0
950.0
ØE F ØG X ØY Z
270.0
324.0
381.0
413.0
470.0
533.0
584.0
692.0
1022.0
230.0
250.0
270.0
290.0
310.0
330.0
350.0
390.0
510.0
381.0
444.5
520.7
584.2
647.7
711.2
774.7
914.4
1168.0
12
16
16
20
20
24
24
24
32
25.4
28.5
32.0
32.0
35.0
35.0
35.0
41.0
44.5
330.0
387.0
451.0
514.0
571.0
629.0
686.0
813.0
1089.0
300#
'X' Nos., 'Y'-DIAON 'Z' P.C.D.
C
A
BØE
ØG
F
VALVE SIZEINCH (DN) A
217.0
250.0
310.0
320.0
340.0
375.0
406.0
510.0
666.0
B
210.0
240.0
285.0
300.0
350.0
385.0
400.0
460.0
840.0
ØE
270.0
324.0
381.0
413.0
470.0
535.0
584.0
692.0
1022.0
ØY
22.0
25.0
32.0
25.0
28.5
28.5
32.0
35.0
44.4
Z
298.0
362.0
476.0
540.0
578.0
432.0
635.0
749.0
1086.0
X
8
12
12
12
16
16
20
20
32
(200.0)8"
(250.0)10"
(300.0)12"
(350.0)14"
(400.0)16"
(450.0)18"
(500.0)20"
(600.0)24"
(900.0)36"
ØG
343.0
406.5
482.5
533.5
597.0
635.0
698.5
813.0
1168.0
C
318.0
352.0
425.0
438.0
458.0
501.0
551.0
893.0
660.0
F
152.0
165.0
178.0
190.0
216.0
222.0
229.0
267.0
330.0
150#-FLANGED DESIGN
150#
Dimension Flanged Design
Dembla Valves |7400 20
BUTTERFLY VALVE
DemblaSales Office: Works:M/S. Dembla Valves Ltd.C-30, Jai Matadi Compound, KalherVillage,Thane-Bhiwandi-Agra Raod -421302,Maharashtra,India.Tel - +91-9292234790 - 97E-mail - [email protected] info - www.dembla.com
M/S. Dembla Valves Ltd.A/8, Arahm Logistic, Valshind Village,Mumbai -Nashik Highway (NH3),BhiwandiThane - 421302. Maharashtra (India)
Dembla Valves |7400
Butterfly Valve
