11/2 float ball valve

Product Description

The 1 1/4 inch ball valve is a quarter-turn shutoff valve. It provides reliable on/off control for liquids and gases in residential, commercial, and industrial applications.

This valve features durable body construction available in brass, bronze, stainless steel, or PVC. It includes a chrome-plated or stainless steel ball and PTFE seats, offering excellent corrosion resistance and long service life.

The simple quarter-turn operation allows for fast, intuitive control. When the handle is parallel to the pipe, the valve is open. When perpendicular, it is closed.

11/2 float ball valve

How Does a 1 1/4 Inch Ball Valve Work?

A common question is how the valve achieves such reliable sealing.

Inside the valve, a spherical ball with a hole through its center sits between two PTFE seats. When the handle is turned, the ball rotates.

When the hole aligns with the pipe, the valve is open, allowing full flow. When the ball rotates 90 degrees, the solid faces block the pipe. This creates a positive, bubble-tight shut-off.

This simple yet effective mechanism makes the ball valve one of the most reliable shutoff devices available.

What Types of 1 1/4 Inch Ball Valves Are Available?

The valve is available in several material and connection configurations.

Brass/Bronze Ball Valves:
These feature bronze or lead-free brass body construction with chrome-plated brass balls. They offer a 600 WOG rating with full port design and threaded FPT connections.

Stainless Steel Ball Valves:
These feature 316 stainless steel construction with full port design and reinforced PTFE seats. They have a 1000 PSI WOG rating and include a Latch-Lok handle that can be locked open or closed for added safety.

11/2 float ball valve

PVC Ball Valves:
These feature PVC construction with EPDM seals. They are rated 250 PSI at 70°F and include an ISO 5211 mounting pad for actuation and lock-out/tag-out capability for safety compliance.

What Are the Key Specifications of 1 1/4 Inch Ball Valves?

Bronze (Watts FBV):
Female threaded connections, 600 PSI WOG rating, 0-350°F temperature range. Features full port and blowout-proof stem.

Brass (Apollo Press):
Press connections, 250 PSI rating, 0-250°F temperature range. Features lead-free construction.

Stainless Steel (Watts):
Female threaded connections, 1000 PSI WOG rating, 0-400°F temperature range. Features Latch-Lok handle and reinforced PTFE seats.

PVC (Hayward):
Socket or threaded connections, 250 PSI at 70°F rating. Features ISO 5211 mount and lock-out plate.

Forged Brass (Maxitrol):
Female threaded connections, 500 WOG / 150 PSI steam rating. Features forged brass body and PTFE seated design.

What Applications Are 1 1/4 Inch Ball Valves Used For?

The valve serves critical functions across multiple industries.

For plumbing and water systems, it controls water flow in commercial and residential plumbing and potable water lines. NSF/ANSI certified options are available for drinking water.

For gas systems, specific models are designed for natural gas and LP gas supply lines, HVAC systems, and light commercial gas piping.

For industrial processing, stainless steel valves handle high-pressure applications up to 1000 PSI. They are suitable for oil, chemical, and steam services.

For fire suppression, UL/FM rated gear-operated valves with supervisory switches are available.

For chemical processing, PVC and CPVC valves resist corrosive chemicals with EPDM or FPM seals.

How Do You Install a 1 1/4 Inch Ball Valve?

Installation methods vary by connection type.

11/2 float ball valve

For threaded valves, apply PTFE tape or pipe joint compound to male threads. Hand-tighten the valve, then use wrenches to tighten firmly. Avoid over-tightening.

For press valves, use a press tool with compatible jaws. Some valves feature a “Leak Before Press” indicator to verify proper installation.

For socket PVC connections, use PVC primer and cement. Threaded connections require PTFE tape.

What Safety Features Should You Look For?

Quality valves incorporate several safety features.

A blowout-proof stem prevents the stem from being forced out under pressure. A locking handle can be secured with a padlock to prevent unauthorized operation. Some series include an integral lock-out plate for up to 4 locks.

For potable water applications, look for lead-free compliance with NSF/ANSI 61 and 372 certified valves.

What Is the Difference Between Full Port and Standard Port?

This is a key distinction when selecting a ball valve.

Full port valves have an internal diameter equal to the pipe size. This provides unrestricted flow and minimal pressure drop.

Standard port valves have a smaller ball and opening. This restricts flow but allows for a more compact valve body.

Most industrial 1 1/4 inch ball valves are full port design to maximize flow capacity.

Why Choose a 1 1/4 Inch Ball Valve?

The ball valve offers several advantages over gate or globe valves.

Quarter-turn operation provides fast, visual confirmation of open or closed status. Full flow capacity ensures minimal pressure drop when open.

Reliable sealing with PTFE seats provides bubble-tight shut-off even after extended periods. Versatile material options make it suitable for water, gas, oil, steam, and chemicals.

The simple design has few moving parts, resulting in low maintenance.

11/2 float ball valvefor orders and delivery country wide in : Mombasa, Kwale, Kilifi, Lamu, Mandera, Marsabit, Isiolo, Meru, Embu, Kitui, Machakos, Makueni, Nyandarua,

Nyeri, Kirinyaga, Murang’a, Kiambu, Turkana, Samburu, Trans Nzoia, Uasin, Gishu, Elgeyo Marakwet, Nandi, Baringo,

Laikipia, Nakuru, Narok, Kajiado, Kericho, Bomet, Kakamega, Vihiga, Bungoma, Busia, Siaya, Kisumu, Homa Bay, Migori, Kisii, Nyamira, Nairobi.

In Nairobi you can find them at: Westlands, Dagoretti,  Lang’ata, Starehe, Kamukunji, Embakasi, and Kasarani, Kibera, Mathare,

Eastleigh, Karen, Lavington, Westlands, Parklands, Runda, South C, South, Ngong Road

In Mombasa you can find us at : Nyali, Mwembe Tayari, Majengo, Likoni ,Bamburi, Miritini