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L-D-4-A-B-G: MAS, DI (Ductile Iron)
Brand: MA Stewart & Sons LtdM.A. Stewart & Sons Ltd. (MAS) has developed a full line of private label “MAS” valves, including Brass, Bronze, Carbon, Low Alloy and Stainless Steel Ball and Butterfly valves.
Special options include NACE, API 607 Firesafe, ASME B16.34, CSA, NSF in NPT & solder, as well socket weld, butt-weld & flanged end connections for industrial applications.
A Gear Op-operated Butterfly Valve manufactured by MAS in sizes 6" - 12" (inches).
Features- Sizes 2” through 24” available from stock, wafer or lug
- Lug-style dead end service capabilities through 12”
- 200 PSI uni-directional
- 100 PSI bi-directional
- Install between Standard ANSI class 125/150 flanges
- ISO 5211 square drive shaft for easy automation
- Conforms to MSS-SP-67, MSS-SP-25, API–609
- Designed for blowout-proof service
- High-Cv slim disc & 2-piece stem design 2”–12”
- Field repairable
- Vacuum service capable 2” thru 12” to 10 microns
- Dead end service for S-Series coming in 2014
Specifications
Brand
Body Material
- DI (Ductile Iron)
Disc Material
- AL-BRZ (Aluminum Bronze)
Seat Material
- BUNA (Buna)
End Connection
- Lug
Model Number
- L-D-4-A-B-G
Operator
- Gear Op
Type
- Butterfly Valve
Pressure
- 6” -12”: 200 WOG
Sizes
- 6” - 12”