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 valveQuick-opening operationBrass and lead-free brass optionsChrome-plated brass ballPTFE seats for tight sealingDurable and corrosion-resistant constructionSuitable for potable water applicationsCompact 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 systemsPressure gauge isolationPlumbing systemsWater, oil, and gas linesSteam 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. View More View Less
