Table Of Content
Lug Type Butterfly Valve Specification
Sizes
Sealing Structure
Operate
Brand Name
Manufacturing Process
Applicable Media
Pressure Drop
Design Standard
Environment
Testing & Inspection
Logistics
Origin
Components of a Stainless Steel Lug Butterfly Valve
Key Features of Threaded Lug Type Butterfly Valve
ISO Mounting Pad
Stem Bushing
Shaft Seal
Cast Iron Body
Square Shaft
Available in EPDM and PTFE
Lug Butterfly Valve Application
Lug Type Butterfly Valve Dimensions
| NPS | BCD | B | A | Ød | H2 | H1 |
|---|---|---|---|---|---|---|
| 24 | 749.3 | 137 | 360 | 567 | 535 | 460 |
| 20 | 635.0 | 106 | 310 | 469 | 460 | 400 |
| 18 | 577.9 | 106 | 310 | 419 | 420 | 360 |
| 16 | 539.8 | 106 | 310 | 369 | 395 | 335 |
| 14 | 476.3 | 106 | 310 | 328 | 360 | 282 |
| 12 | 431.8 | 71 | 230 | 278 | 320 | 252 |
| 10 | 362.0 | 71 | 230 | 228 | 285 | 222 |
| 8 | 298.5 | 71 | 230 | 178 | 250 | 185 |
| 6 | 241.3 | 49 | 176 | 128 | 210 | 155 |
| 4 | 190.5 | 49 | 176 | 78 | 180 | 125 |
| 3 | 152.4 | 49 | 176 | 58 | 160 | 110 |
Lug Type Butterfly Valve Weight
| Size | Lug Butterfly Valve Weight |
|---|---|
| 1 | 3.0 lbs |
| 11/2 | 4.5 lbs |
| 2 | 7.0 lbs |
| 21/2 | 9.0 lbs |
| 3 | 9.5 lbs |
| 4 | 16.0 lbs |
| 5 | 22.0 lbs |
| 6 | 25.0 lbs |
| 8 | 45.0 lbs |
| 10 | 66.0 lbs |
| 12 | 102.0 lbs |
Lug Style Butterfly Valves Bolting
| Size | L | D | TPI |
|---|---|---|---|
| 24 | 4-3/4″ | 1-1/4″ | 7 |
| 20 | 3-1/2″ | 1-1/8″ | 7 |
| 18 | 3-1/2″ | 1-1/8″ | 7 |
| 16 | 3-1/4″ | 1″ | 8 |
| 14 | 3″ | 1″ | 8 |
| 12 | 2-3/4″ | 7/8″ | 9 |
| 10 | 2-1/2″ | 7/8″ | 9 |
| 8 | 2-1/4″ | 7/8″ | 9 |
| 6 | 2″ | 3/4″ | 10 |
| 5 | 2″ | 3/4″ | 10 |
| 4 | 1-3/4″ | 5/8″ | 11 |
| 2-1/2 | 1-3/4″ | 5/8″ | 11 |
| 2 | 1-1/2″ | 5/8″ | 11 |
Material Options for Tapped Lug Butterfly Valve
Lug Style Bare Stem
Lug Style with Handle
Lug Style with Gearbox
Lug Style with Pneumatic Actuator
Lug Style with Electric Actuator
4 Lug Style Butterfly Valve
6 Lug Butterfly Valve
Fully Lugged Butterfly Valve
Threaded Lug Type Butterfly Valve