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Butterfly Valves
LBF SERIES
VALVES
TRIPLE STEM SEALING
LBF BUTTERFLY VALVES
INTRODUCTION
Stem
Top stem
'O' ring seal
Bottom stem
'O' ring seal
Flat surface
seal
• Butterfly Valves are easy to open & close.
• They are easy to install due to their compact design & less space requirements at the place of installation.
• We provide Tight Sealing due to close interference between disc & liner. We also provide a Triple Stem Seal which prevents any
leakage and also any foreign particles from entering the valve.
• The flow control lever as well as the gear unit are designed such that very low torque is required for controlling the valve. Also, the
hand lever can be held in several positions whereby the disc position in valve is not affected by the flow pressure.
• These valves have very low pressure drop.
• We provide all our valves with CED coating which gives better corrosion resistance & hence gives long lasting life.
Maximum Working Temperature: 110°C (230°F)
MAIN FEATURES
• We have designed & manufacture the Lubi LBF series type of Butterfly Valves for General Utility Water applications as well as for
HVAC applications.
• It is a type of quarter turn valve which means that it can be fully opened or closed when the disc is rotated a quarter turn.
APPLICATIONS
The main applications of this valve is for general utility water
applications as well as HVAC applications.
The typical applications areas are as follow:
 On/off isolation
 Dead-end service/removal of down stream piping
 Industrial process water piping
 Municipal raw water intake
 Municipal chlorinated water systems
 Full vacuum
 Aeration and blower applications.
D
P10 50
Body material
W C
Body liner
Disc material
0
E = EPDM
N = Nitrile
V = Viton
C = Cast Iron
D = Ductile Iron
E
D = Ductile Iron
4 = SS304
6 = SS316
LBF
Lubi Butterfly
Valve
Pressure rating
P10 - PN10
P16 - PN16
Body style
W = Wafer type
40 = 40 mm
50 = 50 mm
65 = 65 mm
80 = 80 mm
100 = 100 mm
125 = 125 mm
150 = 150 mm
200 = 200 mm
250 = 250 mm
300 = 300 mm
L
Handle
L = Lever
G = Gear Operator
Stem
0 = SS410
4 = SS304
DESIGN FEATURES
MATERIAL OF CONSTRUCTION
LBF BUTTERFLY VALVES
Part Name Material
Valve Body
Liner
*Disc
Shaft/Stem
Cast Iron, Ductile Iron
EPDM, Nitrile , Viton
Ductile Iron, CF8, CF8M, AI Bronze
Carbon Steel (EN8), Stainless Steel AISI 410, Stainless Steel AISI 304
Actuator mounting flange
Valve body
Shaft/Stem
Liner
Disc
‘O’ ring
‘O’ ring
* DN 40 available only in Ductile Iron & Al Bronze.
TECHNICAL DATA
LBF BUTTERFLY VALVES
VALVE WITH FLOW CONTROL LEVER
VALVE SIZE: DN 40 TO DN 150, DN 300
VALVE WITH
GEAR UNIT
VALVE SIZE: DN 200 TO DN 250 VALVE SIZE:
DN 40 TO DN 300
L
B
t
T
H
C
d
A
D
L
B
t
T
H
C
d
A
C
t
T
A
d
DN40
DN 50
DN 65
DN 80
DN 100
DN 125
DN 150
DN 200
DN 250
DN 300
Valve Size Dimensions [mm]
T d
D
A
C t
35
45
48
48
54
58
58
61
74
85
1½
2
2½
3
4
5
6
8
10
12
Torque*
[Nm]
mm inch
B L H
Flow Control
Lever
Flange
Mounting
(ISO 5211)
Note: * A safety factor of 25% should be added to these figures, while sizing for an actuator.
LUBI INDUSTRIES LLP
Near Kalyan Mills, Naroda Road, Ahmedabad-380 025, INDIA.
Phone : +91 - 79 - 61700100, Fax No. :+91 - 79 - 61700399.
Sales Enquiries: sales@lubivalves.com
www.lubivalves.com
Product Improvement is a continuous process at ‘LUBI’. The data given in this publication is therefore subject to revision.
02.02.230223.0124 Customer Care Number : 09824200800
103
113
118
127
150
165
185
235
260
285
55
65
70
79
96
107
125
150
185
204
78
95
105
123
157
179
211
261
322
369
36
44
60
74
96
120
144
198
248
300
3
3
9
16
24
34
46
70
90
111
268
268
268
268
268
268
268
397
515
508
300
300
300
300
300
300
300
463
608
610
134
138
147
156
179
194
215
290
325
345
F05
F05
F05
F05
F05
F05 / F07
F05 / F07
F07
F10
F10
4
10
10
24
28
30
44
102
156
178
STANDARDS
Design
Actuator mounting flange
Testing
EN 593 / ISO 5752
ISO 5211
ISO5208 / API598 / EN 12266
PRESSURE TESTS
Hydrostatic Shell Test
Seat Test
Maximum Working Pressure
PN10
15 bar (218 psi)
11 bar (160 psi)
10 bar (145 psi)
24 bar (350 psi)
17.6 bar (256 psi)
16 bar (230 psi)
PN16

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Butterfly Valves Manufacturer (LBF Series).pdf

  • 2. TRIPLE STEM SEALING LBF BUTTERFLY VALVES INTRODUCTION Stem Top stem 'O' ring seal Bottom stem 'O' ring seal Flat surface seal • Butterfly Valves are easy to open & close. • They are easy to install due to their compact design & less space requirements at the place of installation. • We provide Tight Sealing due to close interference between disc & liner. We also provide a Triple Stem Seal which prevents any leakage and also any foreign particles from entering the valve. • The flow control lever as well as the gear unit are designed such that very low torque is required for controlling the valve. Also, the hand lever can be held in several positions whereby the disc position in valve is not affected by the flow pressure. • These valves have very low pressure drop. • We provide all our valves with CED coating which gives better corrosion resistance & hence gives long lasting life. Maximum Working Temperature: 110°C (230°F) MAIN FEATURES • We have designed & manufacture the Lubi LBF series type of Butterfly Valves for General Utility Water applications as well as for HVAC applications. • It is a type of quarter turn valve which means that it can be fully opened or closed when the disc is rotated a quarter turn. APPLICATIONS The main applications of this valve is for general utility water applications as well as HVAC applications. The typical applications areas are as follow:  On/off isolation  Dead-end service/removal of down stream piping  Industrial process water piping  Municipal raw water intake  Municipal chlorinated water systems  Full vacuum  Aeration and blower applications. D P10 50 Body material W C Body liner Disc material 0 E = EPDM N = Nitrile V = Viton C = Cast Iron D = Ductile Iron E D = Ductile Iron 4 = SS304 6 = SS316 LBF Lubi Butterfly Valve Pressure rating P10 - PN10 P16 - PN16 Body style W = Wafer type 40 = 40 mm 50 = 50 mm 65 = 65 mm 80 = 80 mm 100 = 100 mm 125 = 125 mm 150 = 150 mm 200 = 200 mm 250 = 250 mm 300 = 300 mm L Handle L = Lever G = Gear Operator Stem 0 = SS410 4 = SS304
  • 3. DESIGN FEATURES MATERIAL OF CONSTRUCTION LBF BUTTERFLY VALVES Part Name Material Valve Body Liner *Disc Shaft/Stem Cast Iron, Ductile Iron EPDM, Nitrile , Viton Ductile Iron, CF8, CF8M, AI Bronze Carbon Steel (EN8), Stainless Steel AISI 410, Stainless Steel AISI 304 Actuator mounting flange Valve body Shaft/Stem Liner Disc ‘O’ ring ‘O’ ring * DN 40 available only in Ductile Iron & Al Bronze.
  • 4. TECHNICAL DATA LBF BUTTERFLY VALVES VALVE WITH FLOW CONTROL LEVER VALVE SIZE: DN 40 TO DN 150, DN 300 VALVE WITH GEAR UNIT VALVE SIZE: DN 200 TO DN 250 VALVE SIZE: DN 40 TO DN 300 L B t T H C d A D L B t T H C d A C t T A d DN40 DN 50 DN 65 DN 80 DN 100 DN 125 DN 150 DN 200 DN 250 DN 300 Valve Size Dimensions [mm] T d D A C t 35 45 48 48 54 58 58 61 74 85 1½ 2 2½ 3 4 5 6 8 10 12 Torque* [Nm] mm inch B L H Flow Control Lever Flange Mounting (ISO 5211) Note: * A safety factor of 25% should be added to these figures, while sizing for an actuator. LUBI INDUSTRIES LLP Near Kalyan Mills, Naroda Road, Ahmedabad-380 025, INDIA. Phone : +91 - 79 - 61700100, Fax No. :+91 - 79 - 61700399. Sales Enquiries: sales@lubivalves.com www.lubivalves.com Product Improvement is a continuous process at ‘LUBI’. The data given in this publication is therefore subject to revision. 02.02.230223.0124 Customer Care Number : 09824200800 103 113 118 127 150 165 185 235 260 285 55 65 70 79 96 107 125 150 185 204 78 95 105 123 157 179 211 261 322 369 36 44 60 74 96 120 144 198 248 300 3 3 9 16 24 34 46 70 90 111 268 268 268 268 268 268 268 397 515 508 300 300 300 300 300 300 300 463 608 610 134 138 147 156 179 194 215 290 325 345 F05 F05 F05 F05 F05 F05 / F07 F05 / F07 F07 F10 F10 4 10 10 24 28 30 44 102 156 178 STANDARDS Design Actuator mounting flange Testing EN 593 / ISO 5752 ISO 5211 ISO5208 / API598 / EN 12266 PRESSURE TESTS Hydrostatic Shell Test Seat Test Maximum Working Pressure PN10 15 bar (218 psi) 11 bar (160 psi) 10 bar (145 psi) 24 bar (350 psi) 17.6 bar (256 psi) 16 bar (230 psi) PN16