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- 1" to 4" Pipe Size
- Capacities to 20,000 C.F.H. Natural Gas
- All Sizes Component Recognized By Underwriters Laboratory
- Streamlined But Restricted Throat-to allow sensitive control of capacities normally used for given pipe size
- 90° Closing Valve To Allow Ease of Synchronization With Shutters Using Suitable Linkage
- Handles Air, Natural Gas or Propane Up To 5 PSI
- Not Affected By Sulfur
- Designed For Use With Honeywell or Penn-Johnson Modulating Motors
- Ease of Adjustment Permitted By Spring Over-run Feature. Upper and lower limits set by stop screws regardless of motor stroke-no involved linkage adjustments necessary
- Easy to Read Valve Position Indicator
- Low Pressure Drop Valve
- Temperature Rated -40°F to 250°F
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The Midco Butterfly Valve is a low pressure drop valve suitable for control of either air or gas flow up to 5 PSI pressure. A unique spring over-run feature is used on all valves. Either manual or motorized valves are available in pipe sizes from 1" through 4". |
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Model
Number |
Valve
Size N.P.T. |
Capacity* in C.F.H. (.65
Sp. G.) at 0.3" W.C. Drop |
A |
B |
C |
| MBF-100 |
1 |
800 |
2 15/16 |
1 3/8 |
1 7/8 |
| MBF-125 |
1 1/4 |
1,300 |
2 15/16 |
1 3/8 |
1 3/4 |
| MBF-150 |
1 1/5 |
1,850 |
2 15/16 |
1 9/16 |
1 3/4 |
| MBF-200 |
2 |
3,100 |
2 15/16 |
1 9/16 |
2 1/2 |
| MBF-250 |
2 1/2 |
5,350 |
3 3/4 |
1 13/16 |
2 1/2 |
| MBF-300 |
3 |
9,100 |
4 |
2 3/16 |
2 1/2 |
| MBF-400 |
4 |
20,000 |
4 5/8 |
2 3/4 |
3 1/4 |
* For air, multiply capacities by 0.8
For Propane gas, multiply capacitors by 1.62 |
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