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Milwaukee Valve 1156 Series Bronze Gate Valve, Industrial Service, Class 200, Rising Stem, NPT Female

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Product Specifications
Internal Packing Material Type
Graphite
Material Type
Bronze
Operation Mode
Manual
Maximum Steam Pressure Description
200 pounds_per_square_inch
Structure Description
Rising Stem
Handle Type
Hand Wheel
Brand Name
Milwaukee
Manufacturer Series Number
1156
Specification Met
MSS SP 80
Maximum Pressure
400  PSI
Connector Type
NPT Female
UNSPSC Code
40141613
Style Name
Threaded
System of Measurement
Inch

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Price  
All All All      
Currently showing 1-8 of 8
1/4" 1.81" 1156 - 14 B0068TULEM 10 $76.17 Buy Options
3/8" 1.88" 1156 - 38 B0068TUM8W Usually ships in 2 to 4 weeks $77.19 Buy Options
1/2" 2.25" 1156 - 12 B0068TUKTS 10 $66.79 Buy Options
3/4" 2.5" 1156 - 34 B0068TULZ6 6 $84.81 Buy Options
1" 2.88" 1156 - 100 B0068TUMOQ 6 $123.96 Buy Options
1-1/4" 3.25" 1156 - 114 B0068TUOBM Usually ships in 2 to 4 weeks $171.02 Buy Options
1-1/2" 3.5" 1156 - 112 B0068TUNEA Usually ships in 2 to 4 weeks $173.55 Buy Options
2" 3.75" 1156 - 200 B0068TUOUS Usually ships in 2 to 4 weeks $268.60 Buy Options

Key Features

  • Made of bronze for higher strength and corrosion resistance than brass
  • Cu-Ni seat rings for greater durability and rust prevention for industrial service use
  • Rising stem with inside screw lifts with the gate to signal visually when the valve is open
  • 400 pounds per square inch (gauge) (psig) for water, oil, and gas pressure (WOG) and 200 psig for saturated steam pressure
  • Female National Pipe Taper (NPT) threads for use with male threaded pipes

Product Description

This class 200 Milwaukee Valve 1156 series bronze gate valve has a rising stem and female National Pipe Taper (NPT) threads on both ends. The bronze construction, solid wedge gate, and union bonnet provide higher strength and resistance to corrosion than brass. The Cu-Ni seat rings equip the valve for industrial service applications and help prevent rust and erosion over time. It has a rising stem that moves up and down with the gate that provides a visual signal (when extended) that the valve is open. This stem design and the graphite internal packing also prevent the stem threads from coming into contact with flow to avoid corrosion to extend valve life. The maximum pressure is 400 pounds per square inch (gauge) (psig) for water, oil, and gas pressure (WOG) and 200 psig for saturated steam pressure. It has female NPT threads on both ends for connecting to male threaded pipes. Mounted on top of the valve, a manually operated malleable iron hand wheel activates the inside screw mechanism, which lifts and lowers the gate to start and stop the flow between the connected pipes. This class 200 valve meets Manufacturers Standardization Society (MSS) SP-80 for quality assurance. Class is a standard relating to tolerance, construction, dimension, and wall thickness, but it is not a direct measurement of maximum working pressure. The valve is appropriate for use in industrial service in plumbing and heating piping systems.

Gate valves control flow in a piping system by lifting a gate out of the path of steam, fluids, or gases. They are designed to block or permit flow, as the vibrations and force of flow repeatedly striking a partly lowered gate can damage the gate and seats. To accommodate different flows and pressure requirements, gates come in four types: solid wedge (appropriate for almost all liquid service), flexible wedge (appropriate for steam service), split wedge (appropriate for normal temperature, non-condensing gas and liquid service, including corrosive service), and parallel disk (appropriate for high and low pressure applications). Hand wheels or levers activate the screw mechanism in the valve’s bonnet, which comes in various designs, to open and close the gate. Union bonnets are preferable for building service piping, threaded-in (or screw-in) bonnets work well for lighter-duty usage, and bolted body-bonnet connections are used primarily in iron multi-turn valves. Most gate valves have either a rising stem, which moves up and down with the gate, or a non-rising stem, which remains fixed in place. When closed, the gate and its seats form tight planar sealing surfaces, ideal for linear liquid flow. Gate valves are used in air, gas, liquid, and steam applications.

The Milwaukee Valve Company manufactures manual and actuated valves, controls, and control accessories. The company, founded in 1901, and headquartered in New Berlin, WI, meets International Organization for Standardization (ISO) 9001:2008 and 14001:2004 standards.

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