NIBCO LD-2000 Butterfly Valve: Specs And Features

When technicians and facility managers search for NIBCO butterfly valves, they are typically seeking technical information, such as spec sheets, dimensions, submittal data, and installation considerations.

The NIBCO LD-2000 butterfly valve is a widely used lug-style butterfly valve designed for reliable flow isolation in commercial and industrial piping systems.

With robust construction and flexible installation options, it's a popular choice in HVAC systems and mechanical rooms.

This guide brings a technical overview of the NIBCO LD-2000 series, helping engineers and maintenance teams quickly find the information they need, including:

NIBCO LD2000 butterfly valve specs
Spec sheets and submittal information
Typical applications and installation considerations
Differences between lug-style and wafer butterfly valves

What Is The NIBCO LD-2000 Butterfly Valve?

The NIBCO LD 2000 is a on/off lug-style, resilient-seated butterfly valve designed to provide efficient flow isolation in piping systems.

Butterfly valves use a rotating disc positioned in the flow path to start or stop fluid movement. Compared with many other valve types, butterfly valves offer a compact design, low pressure drop, and fast quarter-turn operation.

NIBCO® Butterfly Valves

Key Characteristics Of The NIBCO LD-2000 Butterfly Valve

Lug-style body design
Quarter-turn operation
Resilient seat for reliable shutoff
Compact design suitable for mechanical systems
Maximum pressure rating of 200 PSI.

Because of these characteristics, the NIBCO LD2000 butterfly valve is commonly specified in commercial building infrastructure and industrial piping applications.

Material List

Stem Stainless Steel ASTM A582 Type 416
Collar Bushing Brass ASTM B16
Stem Seal EPDM Rubber
Body Seal EPDM Rubber
Nameplate Aluminum
Upper Bushing Copper CDA 122
Liner EPDM Rubber
Disc Alum. Brz. ASTM B148 Alloy 955
Lower Bushing Copper CDA 122
Body Wafer Ductile Iron ASTM A536
Body Lug Ductile Iron ASTM A536

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

NIBCO LD-2000 Butterfly Sizes Available

NIBCO 2'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110D, 2 in. Butterfly Valve Ductile Iron, Lug Type, 200 PSI L
NIBCO 2-1/2'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110E, 2-1/2 in. Butterfly Valve Ductile Iron, Lug Type, 200 P
NIBCO 3'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110F, 3 in. Butterfly Valve Ductile Iron, Lug Type, 200 PSI L
NIBCO 4'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110H, 4 in. Butterfly Valve Ductile Iron, Lug Type, 200 PSI L
NIBCO 5'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110J, 5 in. Butterfly Valve Ductile Iron, Lug Type, 200 PSI L
NIBCO 6'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110K, 6 in. Butterfly Valve Ductile Iron, Lug Type, 200 PSI L
NIBCO 8'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110L, 8 in. Butterfly Valve Ductile Iron, Lug Type, 200 PSI L
NIBCO 10'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110M, 10 in. Butterfly Valve Ductile Iron, Lug Type, 200 PSI
NIBCO 12'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110N, 12 in. Butterfly Valve Ductile Iron, Lug Type, 200 PSI
NIBCO 14'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110T, 14 in. Butterfly Valve Ductile Iron, 200 PSI, EPDM Seat
NIBCO 16'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110U, 16 in. Butterfly Valve Ductile Iron, 200 PSI, EPDM Seat
NIBCO 18'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110V, 18 in. Butterfly Valve Ductile Iron, 200 PSI, EPDM Seat
NIBCO 20'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110W, 20 in. Butterfly Valve Ductile Iron, 200 PSI, EPDM Seat
NIBCO 24'' LD-2000 Butterfly Valve - Gear Operator - NIBCO NLG110X, 24 in. Butterfly Valve Ductile Iron, 200 PSI, EPDM Seat

Please reach out to the Liberty Supply sales team to check availability, size compatibility, and any other information you need.

Compliances And Special Features

Third-party certified QAI to meet MSS SP-67 Standard
U.S. Coast Guard ''Category A''
Certified Lead-Free By Truesdail Labs To NSF/ANSI 61-8 Commercial Hot 180°F and NSF/ANSI/CAN 61 and 372

NIBCO LD-2000 Butterfly Valve Operators

NIBCO offers several types os operators fitted on the LD-2000 Butterfly valves. They should be chosen based on the application and the pipework requirements. Below are the options available:

Lever Lock Handle

The lever-lock handle option is widely used on small-sized valves and allows quick manual operation. Key points include:

Simple quarter-turn operation
Multiple locking positions
Fast open/close control
Compact design

Lever handles are typically used in smaller HVAC systems, where valves can be easily operated by hand.

Gear Operator

A gear operator is the better choice for larger valve sizes, especially when high torque is required. As the system is larger, the operating pressure/torque tends to be higher. Key advantages include:

Easier operation on larger diameter valves
Improved control during opening and closing
Reduced operating force through gear reduction
Locking capability for secure valve positioning

Gear operators are commonly specified in larger HVAC systems, industrial piping, and high-torque applications.

Bare Stem / Bare Shaft

The bare stem (or bare shaft) configuration is used when the valve will be paired with an external actuator. This option allows the valve to be automated using:

Electric actuators
Pneumatic actuators
Building automation system controls

Bare stem valves are commonly used in automated HVAC systems, industrial process control, and remote-operated piping systems.

Lug vs Wafer Butterfly Valves: Where The NIBCO LD-2000 Fits

The NIBCO LD2000 butterfly valve features a lug-style body design, unlike wafer-style valves, which are also available from NIBCO with the prefix WD-. Understanding this difference helps engineers select the right valve when replacing a valve.

NIBCO LD-2000 (Lug Style)

The LD-2000 includes threaded lugs that allow the valve to bolt independently to each flange. This design makes it easier to isolate equipment and perform maintenance without shutting down the entire line.

Lug Style Valve Image credit: Waters valve

NIBCO WD-2000 (Wafer Style)

The WD-2000 model is a NIBCO wafer butterfly valve installed between two flanges and held by flange bolts. Although Wafer valves are typically more compact, they can't be serviced without shutting off the system, making them common in systems with low maintenance demands.

Wafer Style Valve Image credit: Waters valve

Summarizing, engineers use the LD-2000 for maintenance flexibility, while the WD-2000 is selected when compact installations are the priority.

Typical Applications - NIBCO LD-2000 Butterfly Valve

The NIBCO LD-2000 butterfly valve is widely used in commercial and industrial piping systems where reliable isolation and compact installation are required.

Because of its lug-style design and the wide size range available, the LD-2000 allows sections of piping to be isolated independently, which is highly indicated for systems that require frequent maintenance or equipment servicing, such as:

HVAC Hydronic Systems

The LD-2000 is commonly installed in chilled water, condenser water, and heating hot water loops to isolate pumps, chillers, and heat exchangers in commercial HVAC systems.

Mechanical Rooms

In mechanical rooms, the valve is often used on pump lines, chiller connections, and equipment isolation points, allowing maintenance to be performed without shutting down the entire system.

Commercial Building

The valve is specified for office buildings, hospitals, universities, and facilities that require compact valve designs and minimal maintenance.

Industrial Utility Systems

The NIBCO LD-2000 butterfly valve is also used in cooling water systems, plant utility piping, and general service water distribution, where dependable shutoff and low pressure drop are required.

Typical applications and installations insights were highly discussed in our first wrote article about NIBCO LD-2000 Vales, it's a product overview which brings some other key information about this model and can be find on the following link - LD-2000 Overview Article.

Frequently Asked Questions

When Should a NIBCO LD-2000 Butterfly Valve Be Replaced?

Replacement may be necessary if the valve experiences: - Seat wear or leakage - Actuator failure - Corrosion or mechanical damage - System upgrades requiring different specifications

Is The NIBCO LD-2000 Suitable For Flow Control Or Isolation?

The NIBCO LD-2000 butterfly valve is designed for on/off isolation in piping systems. It is typically used to isolate equipment such as pumps, chillers, and heat exchangers in HVAC and water distribution systems. For applications requiring precise flow control, a dedicated control valve (e.g., a globe valve) is required.

Can The NIBCO LD-2000 Be Installed In Any Orientation?

Yes. The NIBCO LD-2000 butterfly valve can be installed in horizontal, vertical, or inclined piping systems. However, installation should follow the manufacturer’s guidelines to ensure proper maintenance clearance, actuator operation (when included), and long-term valve performance.

NIBCO Parts And Valves Available in Liberty Supply

Check The Valve Range Available

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