Wafer Butterfly Valves

Wafer Butterfly Valve
General Purpose
Butterflies
VALVECO IS A MEMBER OF HALLEY & MELLOWES GROUP OF COMPANIES
Butterfly Valves
Lever & Gear operated
Series 715-W
Wafer Style Butterfly Valve
- High Quality
- Fusion Bonded Epoxy Coated
- 1,600kPa rating to 300NB, 1,000kPa rating for sizes greater than 300NB
- 316SS slim-style disc
- One Piece Stainless Steel shaft
- Proven cartridge-style seat
- Dimensions to BS5155
- Lockable Lever & 10 position Stainless Steel notchplate, pins & springs
- Stainless Steel fasteners
Operating Torques in NM
Shut off Pressures in kPa
Size NB
300
600
1,000
1,600
50
65
80
100
125
150
200
250
300
350
400
450
500
600
13
13
21
35
55
82
149
236
348
517
684
895
1132
1678
13
13
21
37
58
87
159
249
385
550
746
995
1244
1834
14
14
23
40
63
98
180
297
445
641
889
1187
1491
2180
15
16
24
45
71
112
210
358
542
-
Torque figures based on water service without safety margin.
Butterfly Valves
Lever & Gear operated
ISO Square Drive for sizes
50-300mm and positive keyed
drive for sizes 350mm and
above.
Actuator mounting flange,
conforms to ISO5211 and
accommodates all types of
operators, lever, gear, electric,
hydraulic and pneumatic
Four self lubricating bronze bushes
provide maximum stem support
with minimum friction. Eliminates
potential stem seizure.
O’ring weather seal prevents
ingress of moisture and
external material into the
stem area.
Pressure surge seals (O’rings) are
moulded inside the seat stem hole
area to provide failsafe sealing
around stem, eliminating possible
leakage.
One piece thru-stem design
ensures dependability and
positive disc control.
Phenolic resin backed seat
provides support for the seat
is non-collapsible, stretch
resistant, blowout proof and
suitable for vacuum.
Internal square drive and
precision taper pins ensure
positive, vibration proof,
stem to disc connection.
Square drive  300mm size
Pins  350mm size
Precision profile disc provides
bubble-tight shutoff with
minimal disc/seat interference,
assuring minimum torque and
longer seat life.
Polished disc flats “mate”
with seat flats to give a highly
efficient seal; prevents leakage
into stem area.
Universal flange adaptability
for wafer style in size range.
Suits ANSI 125, DN16, AS 2129
Table “D” & “E”.
Supported stem seal protects
against distortion, a common
cause of stem leakage.
Butterfly Valves
Lever & Gear operated
Cast Iron Wafer Butterfly Valves - Rated 16 Bar
50mm (2”) - 300mm (12”) Wafer Butterfly Valves
Lever or Gear operated
Part Name
Body
Disc
Stem
Seat
O-Ring
Fusion bonded epoxy (FBE) coating
Blue body colour
Pinless stainless disc
Material
Cast Iron
Stainless Steel CF8M
Stainless Steel 410
EPDM
Nitrile (NBR)
Locating Holes
to suit PCD
Weight (kg)
Sizes
K
J
H
Z
L
Table D/E ANSI150 D1
N
d4 D4
W S
ISO
Lever Gear
50NB
65NB
80NB
100NB
125NB
150NB
200NB
250NB
300NB
161
175
181
200
213
226
260
292
337
80
89
95
114
127
139
175
203
242
43
46
46
52
56
56
60
68
78
12.5
12.5
14.5
16.5
18.5
18.5
22.5
30.5
30.5
32
32
32
32
32
32
40
40
40
114
127
146
178
210
235
292
356
406
65
65
65
90
90
90
125
125
125
7
7
7
9
9
9
11
11
11
36
36
36
56
56
56
71
71
71
F05
F05
F05
F07
F07
F07
F10
F10
F10
4
4
4.8
6.5
8
10
15
23
34
120.5
139.5
152.5
190.5
216.0
241.5
298.5
362.0
432.0
52.5
63.8
78.1
103.8
123.1
155.0
202.1
250.1
301.1
50
50
50
70
70
70
102
102
102
9
9
9
11
14
14
17
22
22
13.5
21
29
41.5
Butterfly Valves
Lever & Gear operated
Cast Iron Lugged Butterfly Valves - Rated 16 Bar
50mm (2”) - 300mm (12”) Lugged Butterfly Valves
Lever or Gear operated
Part Name
Body
Disc
Stem
Seat
O-Ring
Fusion bonded epoxy (FBE) coating
Blue body colour
Pinless stainless disc
Material
Cast Iron
Stainless Steel CF8M
Stainless Steel 410
EPDM
Nitrile (NBR)
Locating Holes
to suit PCD
Weight (kg)
Sizes
K
J
H
Z
L
Table D/E ANSI150 D1
N
d4 D4
W S
ISO
Lever Gear
50NB
65NB
80NB
100NB
125NB
150NB
200NB
250NB
300NB
161
175
181
200
213
226
260
292
337
80
89
95
114
127
139
175
203
242
43
46
46
52
56
56
60
68
78
12.5
12.5
14.5
16.5
18.5
18.5
22.5
30.5
30.5
32
32
32
32
32
32
40
40
40
114
127
146
178
210
235
292
356
406
65
65
65
90
90
90
125
125
125
7
7
7
9
9
9
11
11
11
36
36
36
56
56
56
71
71
71
F05
F05
F05
F07
F07
F07
F10
F10
F10
4.5
6.5
7.5
10
12
15
23
30
43
120.5
139.5
152.5
190.5
216.0
241.5
298.5
362.0
432.0
52.5
63.8
78.1
103.8
123.1
155.0
202.1
250.1
301.1
50
50
50
70
70
70
102
102
102
9
9
9
11
14
14
17
22
22
13
16
18
21
33
45
59
Butterfly Valves
Lever & Gear operated
Cast Iron Wafer Butterfly Valves - Rated 10 Bar
350mm (14”) - 600m (24”) Wafer Butterfly valves
Gear operated only / Blue body colour
Part Name
Body
Disc
Stem
Seat
O-Ring
Fusion bonded epoxy (FBE) coating
Stainless disc
Material
Cast Iron
Stainless Steel CF8M
Stainless Steel 410
EPDM
Nitrile (NBR)
Locating Holes
to suit PCD
Sizes
K
J
H
350NB 368 267 78
Z
L Table D/E ANSI 150 D1
N
d4 D4
W x H
ISO Weight with gearbox (kg)
31.60 45 470
476.5
333.5 125 12 102 71 x 3.4
400NB 400 309 102 33.15 51 521
540.0
389.6 175 18 140 101 x 5.0 F14 75
450NB 422 328 114 38.00 51 584
578.0
440.5 175 18 140 101 x 5.0 F14 98
500NB 480 349 127 41.15 64 641
635.0
491.6 175 18 140 101 x 5.0 F14 140
600NB 562 440 154 50.6
749.5
592.5 210 22 165 131 x 6.0 F16 220
70 756
F10 65
Butterfly Valves
Lever & Gear operated
Butterfly Valves Operators & Torques
Actuator Options
Lever
Cast Iron Epoxy Coated Lever with 10
positions SS notch plate, SS fasteners &
spring. Standard on sizes up to 200mm
Gear Operated
Cast Iron Epoxy Coated Gearbox with
SS fasteners. Standard on sizes 250mm
& above
Pneumatic
Air operated (double acting & spring
return), c/w solenoid valves, limit
switches, position indicators, modulating
controls
Electric
Open/close, modulating control
Gear Operator
Lever
Size mm Model
A
B
C
D
E
F
G
H
L
50
GO1
74
52
45
52
153
150
39
36
267
65
GO1
74
52
45
52
153
150
39
36
267
80
GO1
74
52
45
52
153
150
39
36
267
100
GO2
74
52
45
52
153
150
39
36
267
125
GO3
74
52
45
52
153
150
39
36
267
150
GO3
74
52
45
52
153
150
39
36
267
200
GO4
101
75
63
75
250
300
43
43
353
250
GO5
101
75
63
75
250
300
43
43
353
300
GO6
118
81
80
81
250
300
38
45
353
350
GO6
118
81
80
81
250
300
38
45
-
400+
Refer
Note
The designs, materials, dimensions and specifications shown are subject to change without notice due to our continuing program of product development.
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