Product details
PRODUCT DESCRIPTION
The LH Series Ball Valves by Weiss Instruments are designed for reliable flow control and gauge isolation in HVAC, plumbing, and industrial applications. These valves are constructed from durable brass or lead-free brass, making them suitable for both general use and potable water systems.
Featuring a quick-opening design, the LH Series ensures easy operation and efficient shut-off. The chrome-plated brass ball and PTFE seats provide smooth performance, tight sealing, and long service life.
With a compact design and multiple connection options, these valves are ideal for isolating pressure gauges and controlling the flow of water, oil, gas, and steam in various systems.
KEY FEATURES
Cost-effective gauge isolation valve
Quick-opening operation
Brass and lead-free brass options
Chrome-plated brass ball
PTFE seats for tight sealing
Durable and corrosion-resistant construction
Suitable for potable water applications
Compact and easy to install
TECHNICAL SPECIFICATIONS
| Specification | Details |
|---|---|
| Series | LH |
| Brand | Weiss Instruments |
| Type | Ball Valve |
| Body Material | Brass / Lead-Free Brass |
| Stem | Brass |
| Ball | Chrome Plated Brass |
| Seat | PTFE |
| Handle | Plated steel or aluminum |
| Connection | 1/4″ NPT (standard) |
| Optional Sizes | 1/2″ NPT, 3/4″ NPT |
| Max Pressure (Water/Oil/Gas) | 600 psi |
| Max Pressure (Steam) | 150 psi |
| Max Temperature (Water/Oil/Gas) | 107°C |
| Max Temperature (Steam) | 185°C |
| Marking | 600 WOG / PN 40 BAR |
ITEM NUMBERS / MODELS
| Model | Connection | Material |
|---|---|---|
| LH-14FF | 1/4″ NPT FxF | Brass |
| LH-14MF | 1/4″ NPT MxF | Brass |
| LF-14FFLF | 1/4″ NPT FxF | Lead-Free Brass |
| LF-14MFLF | 1/4″ NPT MxF | Lead-Free Brass |
| LH-12FF | 1/2″ NPT FxF | Brass |
| LH-34FF | 3/4″ NPT FxF | Brass |
APPLICATIONS
HVAC systems
Pressure gauge isolation
Plumbing systems
Water, oil, and gas lines
Steam systems
FAQs
Q1: What is the purpose of this ball valve?
A: It is primarily used for flow control and isolating pressure gauges in HVAC and industrial systems.
Q2: Is this valve suitable for potable water?
A: Yes, lead-free brass models are available for potable water applications.
Q3: What is the maximum pressure rating?
A: Up to 600 psi for water, oil, and gas, and 150 psi for steam.
Q4: What connection sizes are available?
A: Standard 1/4″ NPT, with optional 1/2″ and 3/4″ NPT sizes.
Q5: What type of sealing is used?
A: PTFE seats are used for reliable sealing and smooth operation.
