Shutoff Valves

Welding Equipment & Supplies, Fluid & Gas Flow Equipment

Thermal Shutoffs shut down pneumatic control systems.

August 28, 2015

With resettable memory shape alloy, FireChek® Thermal Shutoffs can be used to automatically shut down pneumatic control system when nearby fire occurs, or when ambient temperature reaches 135, 150, or 165°F. When FireChek senses excessive heat, it immediately closes air supply line preventing air from feeding fire, and simultaneously vents spring return actuator to allow return to fail-safe. FireChek® with Quick Exhaust and FireCheck® PLUS Pilot Valves are also available. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Metal-Seated Ball Valves suit severe service applications.

June 23, 2015

Providing tight shutoff, Fisher® Z500 Ball Valves protect critical assets in demanding applications. Bi-directional sealing design offers solution to process back pressure and shutoff requirements in both flow directions, safeguarding control valves and other equipment in line. To help eliminate leak paths and withstand extreme temperature changes, valves have integral metal seat and self-energized metal body gasket. Live-loaded packing, side-mounted brackets, and fixed centerlines minimize wear. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Butterfly Valve meets variety of process application needs.

May 12, 2015

Offering selection of disk seals, actuator designs, and material combinations, Fisher® 8590 meets plant-wide throttling and on-off requirements. Several dynamic disk seals are available to meet temperature conditions ranging from low-to-moderate up to 1,000°F. Pressure-assisted design provides tight bidirectional shutoff. Utilizing lugged body design across CL600 size range of NPS3–NPS24, valve can incorporate splined shaft that accepts either spring-and-diaphragm or pneumatic piston actuator. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Gas Shut-Off Valve targets small residential gas meters.

March 17, 2015

Operated by low-energy DC motor that delivers high level of intrinsic safety, GML Linear Valve is designed with aerodynamic geometry to minimize flow resistance, resulting in extremely low pressure drop for optimized gas grid efficiency. With energy level far below regulatory safety level, DC motor negates need for added protection circuit and eliminates possibility of electronic component failure. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Pinch Valve utilizes manual or pneumatic actuator.

November 3, 2014

Designed for shut-off applications, automatic PVG Valve has full bore structure, bubble-tight shut-off, and can be connected to pneumatic system of plant. Inside sleeve is naturally resistant to any scaling which breaks away when valve is closed. It also includes opening tags to ensure valve opens even after long periods of time. Operating with no jamming or clogging, PVG Valve is developed for processes involving abrasion, corrosion, and aggressive slurries. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Emergency Shutoff Valve targets railcars in propane industry.

January 7, 2014

With flow capacity up to 413 gpm, Fisher® Type N863 Snappy Joe Emergency Shutoff Valve cuts propane railcar loading/unloading time. Valve seats are available in Nitrile, Neoprene, Kalrez™, Teflon™, Viton™, and EPDM to provide broad application versatility. Valve is suitable for use with most compressed gases such as propane, anhydrous ammonia, natural gas liquids, and aerosols. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Throttle Trip Valves are ANSI rated.

December 17, 2013

Combining flow control and emergency shut-off operation in single assembly, Throttle Trip Valves can be manufactured with soft packing, hardened leak-off bushings, and various materials for critical applications. As throttle valves, units regulate flow of steam and gas in large, high-pressure pipe lines. When used as trip valves, they add measure of safety critical to these applications. Valves rapidly shut down flow when tripped manually or automatically to protect valuable equipment. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Ball Valves target instrumentation and control systems.

October 22, 2013

Available with end connections from 1/16–3/8 in. as well as corresponding metric sizes, FloLok® 41, 42, and 43 Series feature forged one-piece body and blowout proof stems. Quarter-turn shutoff valves contain modified PTFE packing for chemical compatibility and extended life over temperature range of -65 to 300°F. Since valves do not rely on system pressure to seal, they seal equally well at both high and low pressures. Remote sensors can be mounted in handles to determine open/close position. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Gas Shut-Off Valves work with pre-paid gas meters.

July 22, 2013

With patented ball valve technology, Saia-GMP Shut-Off Valves have zero pressure drop, resulting in optimized grid efficiency. Low discharging current doubles battery life and operating cycles. Designed to meet EN 60079-11 for intrinsic safety and ATEX zone 1 and 2 compliance, valves are available with optional valve position sensing and customization for any meter configuration. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies, Sensors, Monitors & Transducers

Heat-Actuated Safety Shut-Off Valves prevent fuel-fed fires.

November 14, 2012

Available in 20 models with ½, ¾, 1, 1 ½, and 2 in. NPT threaded connections, Series U1-45 is designed for installation in withdrawal lines of flammable or combustible liquid storage tanks. FM-approved units are normally held in open position by heat-activated element mechanism. In event of exposure to external fire source, element is activated, valve is closed by internal spring, and flow of liquid through line is stopped. Personnel never have to enter hazardous situation to turn off valve. Read More

Material Handling & Storage, Fluid & Gas Flow Equipment, Welding Equipment & Supplies, Sensors, Monitors & Transducers

Safety Shutdown Valve is designed for hazardous locations.

January 17, 2012

With ambient operating range of -40 to +65°C and 316 stainless steel construction, Model E828 automatic safety shut off solenoid valve meet standards for Commercial/Industrial Safety Shut-Off Valves (C/I) per ANSI Z21.21 CSA 6.5. Valve draws 1.8 W; is available in 12 Vdc, 24 Vdc, and 120 V/60 Hz AC versions; and has operating pressure differential of 3-30 psi. Flow capacity sizes include ¾ in. NPT (5.8 Cv), 1 in. NPT (13 Cv), and 1 ½ in. NPT (29 Cv). Read More

Welding Equipment & Supplies, Sensors, Monitors & Transducers

Safety Shut-Off Valve offers partial stroke testing technology.

July 18, 2011

Meeting API 6FA Fire Safe standards, Series 8000 provides sure closing at temperatures down to -58°F and has large open/closed indicator that shows valve position in high-contrast colors. Meeting Class VI leakage standards and carrying global endorsements - FM, CSA, EN, ATEX, Hazardous Locations, and safety assessment to IEC 61508, this SIL-3 capable series also features metal-to-metal seats and PSTrend partial stroke testing technology that tests and trends valve performance. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Slurry Knife Gate Valve keeps gate path and seat area clear.

June 28, 2011

Series DX, designed for heavy slurry applications in power and mining industries, provides drop tight shut-off in both directions. When valve opens, reinforced elastomer sleeves seal against each other and provide 100% full port opening. This minimizes turbulence as well as resulting wear, while seats isolate and protect all metal parts of valve from coming in contact with process. When valve is closed, sleeves provide drop tight seal. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Triple Duty Valve offers Cv ratings from 9-28.

June 7, 2011

Available in 1, 1¼, 1½, and 2 in. sizes, 3DV Triple Duty® Valve incorporates calibrated balance valve, shut-off valve, and spring loaded check valve that prevents gravity circulation and backflow. Choice of MNPT threaded or rotatable flange inlet connection allows close mounting of valve to pump discharge or downstream from pump. Constructed of materials that resist harsh operating pressures and high temperatures, valve meets ASHRAE 90.1 requirements for energy efficient operation. Read More

Test & Measuring Instruments, Fluid & Gas Flow Equipment, Welding Equipment & Supplies, Sensors, Monitors & Transducers

Remote Shut-Off Valve controls residential gas meters.

May 26, 2011

Offered as component for AC-250 diaphragm gas meter, AC-250 residential meter remote shut-off valve provides utilities with remote access to and control of natural gas flow through meter to downstream application. Remote control of downstream natural gas flow lets utilities reduce operational costs by executing shut-offs promptly when immediate action is required. Also, wireless gas flow shut off increases safety by eliminating need for physical access to meter. Read More

Safety & Security Equipment, Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Fire Sprinkler System Shut-Off Valve targets residential use.

December 15, 2010

Designed for use in dual-purpose residential water supply systems, 2 in. Model RSV-1 shuts off water flow to domestic system and diverts it to sprinkler system when sprinkler is operating, eliminating need to add pumps, pressurized reservoirs, or electrically operated domestic shut-off valves. NSF-61 Annex G Approved and UL and C-UL Listed, Model RSV-1 has built-in check valve and automatically resets after system test or activation. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Shut-Off Valve can connect 3 instruments together.

November 5, 2010

Constructed of solid gray PVC with Buna-N seals and rotating flag handle, Series A-5000 is designed for air and compatible gases. Unit can withstand operating pressure of 125 psi and max temperature of 140°F. Handle has 180° rotation and lies directly over open port. When handle is rotated 90° from either port, flow is shut off to both outlet ports. Since bottom port on valve is common, Series A-5000 can be used as diverter or selecting valve. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies

Fire Safe Fusible Link Valve Assembly has received Factory Mutual approval.

March 4, 2010

BI-TORQ® Valve Automation fire safe fusible link valve assembly allows factories to meet facility wide safety certifications by preventing the spread of fire. Flammable liquids or gasses will be contained once API 607 fire-safe certified valve automatically closes based on thermal release of a fusible link. Torque outputs range from 55-21,000 and assemblies can be used with fire safe ball or butterfly valves from ½ through 24 in. line sizes. Valve seat options include TFE®, RTFE®, TFM, PEEK and Delrin. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies, Sensors, Monitors & Transducers

Safety Shutoff and Operating Valve provides tank protection.

March 1, 2010

Mounted in tank or in line, Model 96330 provides automatic, quick-acting shutoff of product flow. Bi-directional valve is held in normally closed or open position by spring loaded piston, and checks closed in either direction when operating pressure is removed. Balanced piston design resists opening due to tank or line pressure. Read More

Fluid & Gas Flow Equipment, Welding Equipment & Supplies, Sensors, Monitors & Transducers

Gas Safety Shut-Off Valves have compact double valve footprint.

February 23, 2010

While 8214(200) Series 2-way NC solenoid valves can be used for fuel gases up to 5 psi, V710(B)/AH(E) Series 2-way NC electro-hydraulic actuated valves can be used with fuel gases up to 15 psi and is available with fast- and slow-opening constructions. Both series come in ¾-3 in. pipe sizes and have aluminum body construction with pressure taps up and downstream. Uses include boilers, furnaces, ovens, heating equipment, gas generators, and kilns. Read More