NIBCO T-585-70 Ball Valve

When technicians, engineers, and facility managers search for the NIBCO T-585-70 bronze threaded ball valve, they typically want to confirm one critical detail: “Is this the exact NIBCO valve I am looking for?” With multiple similar 585-series models available, accurate identification is essential before ordering.

At Liberty Supply, we offer a wide range of NIBCO parts and valves, including the T-585-70 model. This article provides clear information to help technicians, engineers, and facility managers verify specifications, understand models and parts, and select the correct valve for installation or replacement.

What Is the NIBCO T-585-70 Ball Valve?

T-585-70 is a NIBCO Bronze ball valve, full-port, two-piece body, with bronze trim and a blowout-proof stem, designed for commercial and residential plumbing applications that require durability, smooth operation, and dependable shutoff. It provides ease of operation with a quarter-turn (90 degrees) open-to-close. The connections are Threaded, which explains the letter ''T'' on the model name.

NIBCO Ball Valves

As part of the NIBCO 585 Series, the T-585-70 features:

Bronze body construction
Threaded end connections
Quarter-turn operation
Full-port design for minimal flow restriction

Further, NIBCO offers a solder connection option; if selected, the model switches from T-585-70 to S-585-70. In this article, we will focus on the threaded version of the range.

Material List

The list below conforms to MSS SP-110.

Handle Nut - Zinc Plated Steel
Handle - Zinc Plated Steel Clear Chromate Prastisol Coated
Threaded Pack Gland - Brass ASTM B 16 Alloy C36000
Packing - PTFE
Stem - Silicon Bronze ASTM B 371 Alloy C69300
Thrust Washer - Reinforced PTFE
Ball - Brass ASTM B 124 Alloy C37700 with Hard Chrome Plate
Seat Ring - Reinforced PTFE
Body - Cast Red Bronze ASTM B 584 Alloy C84400
Body End Piece - Cast Red Bronze ASTM B 584 Alloy C84400

Liberty Supply has a complete inventory of NIBCO replacement parts and accessories; it can be found at the link: NIBCO Valve Accessories Repair Parts.

Sizes available

NIBCO 1/4'' ball valve (Standard Lever Handle) - NIBCO NL95004, 1/4 in. Two-Piece Bronze Ball Valve Full Port, Threaded
NIBCO 3/8'' ball valve (Standard Lever Handle) - NIBCO NL95005, 3/8 in. Two-Piece Bronze Ball Valve Full Port, Threaded
NIBCO 1/2'' ball valve (Standard Lever Handle) - NIBCO NL95006, 1/2 in. Two-Piece Bronze Ball Valve Full Port, Threaded
NIBCO 3/4'' ball valve (Standard Lever Handle) - NIBCO NL95008, 3/4 in. Two-Piece Bronze Ball Valve Full Port, Threaded
NIBCO 1'' ball valve (Standard Lever Handle) - NIBCO NL9500A, 1 in. Two-Piece Bronze Ball Valve Full Port, Threaded T
NIBCO 1-1/4'' ball valve (Standard Lever Handle) - NIBCO NL9510B, 1-1/4 in. Two-Piece Bronze Ball Valve Full Port, Thread
NIBCO 1-1/2'' ball valve (Standard Lever Handle) - NIBCO NL9510C, 1-1/2 in. Two-Piece Bronze Ball Valve Full Port, Thread
NIBCO 2'' ball valve (Standard Lever Handle) - NIBCO NL9510D, 2 in. Two-Piece Bronze Ball Valve Full Port, Threaded T

Valve Operator Options

The NIBCO T-585-70 range offers valve operator options depending on the valve size and application. See the list below:

Standard Lever Handle
Locking Lever Handle
Standard Lever Handle with Memory Stop
Wing Handle
Extended Lever Handle
Horizontal Chain Lever
Vertical Chain Lever
Round Handle
Nib-Seal@ - Extended Insulated Handle (up to 250°F process fluid)

Please reach out to the Liberty Supply sales team to check availability, size compatibility, and any further information needed.

Pressure and Temperature Performance

Below are the technical data regarding the T-585-70 temperature and pressure ratings:

Temperature

Maximum temperature rating 400°F.

Pressure

Valve pressure rating 600 psi (41.4 bar), non-shock cold working pressure.

The valve range is designed to meet typical pressure and temperature requirements in commercial plumbing systems, mechanical rooms, domestic water distribution systems, and other applications.

Compliances and Special Features

Some observations about the NIBCO T-585-70 range:

Valve range conforms to MSS SP-110
This valve does not meet U.S. potable-water requirements effective January 3, 2014, so it is not approved for potable-water applications
Dezincification resistant
Blowout-proof stem
Full port
1/4" size only has a 304 stainless steel grounding washer
Stem ASTM B 99 Alloy C65100 option available upon request
Ball ASTM B16 Alloy C36000 option available upon request
Oxygen Service Option available upon request

Customers typically search for similar codes.

Below are other terms commonly used to refer to the NIBCO T-585-70 ball valve:

NIBCO T585-70
NIBCO 585
NIBCO T-585
585-70
NIBCO T585
NIBCO 585-70

Typical Applications for the NIBCO T-585-70

The NIBCO T-585-70 ball valve is commonly used in:

Commercial Plumbing Systems
High-Pressure Applications
HVAC Systems
Mechanical Rooms
Hot and Cold Domestic Water Systems
Retrofit and Replacement Projects
Low-Pressure Steam Systems
Pressurized Air Loops

Its full-port design and bronze construction make it a reliable option for dependable shutoff and long-term performance.

How to Confirm You’re Replacing the Correct NIBCO T-585-70 Valve

Whenever you have doubts about NIBCO valves, our sales team is ready to support you and help you to fulfill your needs and goals, but below you can find some critical information needed to ensure the correct valve replacement:

Manufacturer Model Number: Check the valve nameplate; it shows the model number T-585-70.
Connection type - As mentioned before, if the nameplate shows T-585-70, the valve has a Threaded connection; for Solder connections, the nameplate must show S-585-70.
Valve size - It's essential to know the required valve size. The available valve sizes are listed at the beginning of this article.
Valve Operator Type - It's essential to determine whether the Standard Lever Locker is sufficient or if the project requires a different type from those listed previously.
Any optional features required (e.g., the Oxygen service) must be mentioned and considered at the selection/order stage.

Frequently Asked Questions

Is the NIBCO T-585-70 lead-free?

No, it's a standard bronze valve.

What is the difference between T-585-70 and S-585-70?

Connections: The T-585-70 is threaded; the S-585-70 uses solder connections.

Can the NIBCO T-585-70 be used for potable water systems?

This valve does not meet U.S. potable-water requirements effective January 3, 2014, so it is not approved for potable-water applications.

Does the NIBCO T-585-70 require special maintenance?

The valve is designed for long-term service with minimal maintenance. Preventive maintenance is recommended to ensure smooth quarter-turn performance over time.

Do the special features or optional valve operator options increase the lead time?

Special arrangements must be checked before the order, and, depending on stock availability, they may delay delivery.

NIBCO Parts and Valves Available in Liberty Supply

Check the Valve Range Available

Liberty Supply is a customer-centric organization. We focus on hydronic and steam systems for commercial and industrial facilities. As a B2B distributor within the "needs business," our foundational pillars are knowledge, communication, and speed. Relationships are built through hard work and consistent delivery of value. No exceptions. Our team maintains that with each transaction, we start back at zero.