Nibco T-276-AP Globe Valve - B...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$578.14
Nibco T-276-AP Globe Valve - Bronze, Stainless Steel Full Plug Disc

Nibco T-276-AP Globe Valve - Bronze, Stainless Steel Full Plug Disc

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Model: NL3ZN0A

In Stock (leaves warehouse same day if ordered before 3pm ET)

$578.14
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The NIBCO® bronze globe valve features a union bonnet with replaceable seat and renewable full plug disc. It is equipped with female threads ends for ease of installation. This valve is ideal for higher pressure steam and the full plug disc allows for closer throttling of flow. Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO® globe valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications. NIBCO® globe valves are backed by the NIBCO 5-year 125% limited warranty.

  • 300 psi/20.7 bar saturated steam to 421-DegreeF/216-DegreeC
  • 600 psi/41.4 bar non-shock cold working pressure
  • Replaceable stainless steel seat ring
  • Union bonnet
  • Renewable stainless steel full plug disc
  • Class 300 threaded end connections
  • Use in U.S. drinking water applications is prohibited after January 3, 2014
  • Dezincification resistant
  • Conforms to MSS SP-80

Bronze Globe And Angle Valves IOM Manual

Manufacturer Resources

Product Specs

All Basic Material:
Bronze
Classification:
Bronze Globe Valves
End Connection:
Threaded
Product Group:
Valve
Seat Seal Material:
Stainless Steel
System Use:
Commercial Plumbing, Heating, HVAC, Industrial
Type of Valve:
Globe Valve
Valve End Connection Type:
T -- Female NPT Thread (FIPT)
Valve Multi Turn Bonnet Design:
Union Bonnet
Valve Pressure Rating (CWP):
600 PSI / 41.4 Bar CWP
Valve Pressure Rating (SWP):
300 PSI / 20.7 Bar SWP
Product Subgroup:
Tees
Product Type:
Bronze Globe Valves
Department:
Plumbing

Nibco NL3ZN0A – Frequently Asked Questions

1) Can I use a Nibco T-276-AP bronze globe valve on potable water?
No. The T-276-AP is prohibited from use in U.S. drinking water applications after January 3, 2014. It's built for commercial plumbing, heating, HVAC and industrial service, so keep it on steam, hydronic and process lines and specify a lead-free valve for anything feeding potable water.
2) What steam pressure is the Nibco T-276-AP globe valve rated for?
300 psi (20.7 bar) saturated steam up to 421 degrees F (216 degrees C), and 600 psi (41.4 bar) non-shock cold working pressure. That puts it in Class 300 territory, which is where it earns its place over a Class 125 bronze globe valve on a high pressure steam header or a process line that sees real pressure.
3) How does the T-276-AP globe valve connect to pipe, and do I need to solder it?
No soldering. Both ends are female NPT thread (FIPT), Class 300 threaded, so it screws straight onto threaded pipe or onto a threaded nipple off a grooved or welded system. That also means you can pull it out later without cutting pipe, which matters on a valve you'll be reseating.
4) Should I use a globe valve or a ball valve for throttling flow?
For throttling, the globe valve. A ball valve is an on/off device and wears its seat fast when parked part open. The T-276-AP uses a renewable stainless steel full plug disc, which is the design specifically meant for closer throttling of flow, so it holds a partly open position without chewing itself up. Use ball valves for isolation and keep this one where you need to set and hold a flow rate.
5) Can the seat and disc be replaced without taking the T-276-AP out of the line?
That's the point of the design. The union bonnet lets you break the valve open in place, and both the stainless steel seat ring and the full plug disc are renewable. On a steam system where a globe valve is expected to be reseated over its life, that saves cutting threaded pipe every time it starts passing.
6) What pipe sizes does the Nibco T-276-AP come in?
Eight sizes, 1/4, 3/8, 1/2, 3/4, 1, 1-1/4, 1-1/2 and 2 inch, all female NPT. Small sizes like the 1/4 inch (MPN NL3ZN04) suit gauge and instrument drops; the 2 inch (NL3ZN0D) is the top of the range, so anything larger on the same system needs a different valve body style.
7) Is the Nibco T-276-AP globe valve MSS SP-80 compliant?
Yes, the T-276-AP conforms to MSS SP-80, the standard for bronze gate, globe, angle and check valves. If a mechanical spec or a submittal calls for an MSS SP-80 Class 300 bronze globe valve with a union bonnet, this meets that call.
8) Will a bronze globe valve hold up in hard or aggressive water without the zinc leaching out?
The T-276-AP body is bronze and dezincification resistant, so it resists the zinc loss that turns ordinary brass porous and crumbly in aggressive water. Paired with the stainless seat ring and stainless plug disc, the wetted parts are the ones that take the abuse.
9) What's the difference between a full plug disc and a standard composition disc globe valve?
The full plug disc on the T-276-AP is a long tapered stainless plug that meters flow gradually as it lifts, which is what gives you close throttling control. A composition disc is a flat soft seat, better at tight shutoff on water at lower pressure but poor at holding a throttled position and not suited to 300 psi saturated steam at 421 degrees F. Pick the plug disc when the valve's job is regulating, not just closing.
How fast can I get the Nibco NL3ZN0A delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Nibco NL3ZN0A come with a warranty?
Absolutely. The Nibco NL3ZN0A is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Nibco NL3ZN0A?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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