Categories from Stauff USA (26)

When it comes to instrumentation systems, precision and reliability are key. Pipes, valves, and fittings (PVF) are critical in maintaining accurate measurements, controlling pressure, and ensuring smooth operation in industrial processes. Stauff PVF products are designed to handle high pressures, temperature fluctuations, and corrosive environments, making them ideal for industries like oil and gas, chemical processing, power generation, and manufacturing.

What Stauff PVF Products Do We Offer?

We provide a full range of Stauff PVF components built for instrumentation applications, including:

• Instrumentation tubing – High-quality stainless steel tubing for precise fluid and gas control.
• Needle valves – Allow for fine adjustments and accurate flow regulation.
• Ball valves – Provide quick on/off control for efficient system management.
• Check valves – Prevent backflow and protect sensitive instrumentation.
• Tube fittings and adapters – Available in various configurations to ensure leak-free connections.
• Manifold valves – Streamline pressure control and system isolation in complex setups.

Why Choose Stauff PVF Products?

• Precision-engineered for demanding applications.
• Corrosion-resistant materials ensure durability in harsh environments.
• Leak-free performance keeps systems running efficiently.
• Wide compatibility with different instrumentation setups.

Find the Right PVF Solution

Whether you're setting up a new instrumentation system or upgrading existing components, Stauff PVF products offer the reliability and performance you need. Browse our selection online or reach out to our team for expert guidance in choosing the right components for your application.

Related categories: Instrumentation, Measurement and Control | Swivel Joints | Temperature Measurement, Instrumentation and Control | Hydraulic Accessories | Level Control

Clamps and piping support products play a fundamental role in maintaining the stability and integrity of piping systems in diverse applications. These essential components ensure that pipes are securely placed, preventing unintended movement, vibration, and potential damage. Providing proper support, clamps, and piping support products contributes to pipelines' longevity and prevents leaks and stress fractures. From simple pipe clamps to more specialized supports, these products offer a range of solutions tailored to different pipe sizes, materials, and installation requirements. Whether in industrial settings, construction projects, or plumbing applications, reliable clamps and piping support products are crucial for fluid transport systems' smooth and safe operation.

Related categories: Power Transmission & Application Tools | Shaft Collars | PVF Products - Fittings | Paint Spraying Equipment | Bearings

Hydraulic filters keep oil clean in hydraulic systems, protecting pumps, valves and cylinders from wear and sticking. Clean oil is the single biggest factor in hydraulic reliability.

Hydraulic Filter Types

• Pressure filters – protect sensitive components
• Return filters – capture wear debris
• Suction strainers – protect pumps
• Spin-on filters – easy replacement
• Replacement elements – OEM interchanges

Choosing a Filter

Select micron rating and beta ratio to meet your ISO cleanliness target, along with pressure rating and flow capacity. Bypass indicators show when to change elements.

Centro supplies hydraulic filters and elements.

Related categories: Hydraulic Accessories | Hydraulic O-Rings

Compressed air filter elements are the replaceable parts that do the filtering inside compressed air housings. Regular replacement keeps air quality high and pressure drop low.

Element Types

• Particulate elements – remove solids
• Coalescing elements – remove oil and water aerosols
• Activated carbon elements – remove oil vapor
• OEM interchangeable elements – fit major brands

Replacement Tips

Replace elements annually or when pressure drop rises. Have the housing brand and model ready to find the right element.

Centro supplies compressed air filter elements.

Related categories: Compressed Air | Compressor Parts | Blowguns | Parts and Accessories | Oil Water Separators

Hydraulic accessories keep hydraulic systems clean, sealed and reliable. Filters and O-rings are small parts that prevent costly failures.

Accessories Available

• Hydraulic filters – pressure, return and suction
• Hydraulic O-rings – seals for fittings and components
• Breathers – reservoir protection
• Gauges – system monitoring

Maintenance Tips

Monitor filter indicators, replace seals during service and keep oil clean to extend component life.

Centro supplies hydraulic accessories.

Shop by type: Hydraulic Filters | Hydraulic O-Rings

Related categories: Instrumentation, Measurement and Control | Swivel Joints | PVF | Temperature Measurement, Instrumentation and Control | Level Control

Hydraulic O-rings seal fittings, cylinders, valves and pumps in hydraulic systems. The right compound and size stops leaks and holds up under high pressure and temperature.

O-Ring Options

• Nitrile (Buna-N) – standard petroleum oil service
• Viton (FKM) – high temperatures and chemicals
• Polyurethane – high pressure and abrasion resistance
• Backup rings – prevent extrusion
• O-ring kits – assorted sizes for maintenance

Choosing O-Rings

Match size (AS568 or metric), durometer and compound to the fluid, temperature and pressure. Use backup rings above about 1,500 psi.

Centro supplies hydraulic O-rings and kits.

Related categories: Hydraulic Accessories | Hydraulic Filters

Water gauges show water level in boilers, tanks and pressure vessels. Clear, dependable level indication is critical for safe boiler operation.

Water Gauge Products

• Gauge glass sets – tubular and reflex gauges
• Gauge valves – isolate glass for replacement
• Guard rods – protect glass
• Replacement glass and packing – maintenance
• Try cocks – backup level checks

Maintenance Tips

Blow down water gauges regularly and replace etched or cloudy glass. Use glass rated for boiler pressure and temperature.

Centro supplies water gauges and parts for boilers and tanks.

Related categories: Liquid Level | Level Sensors | Level Switches | Differential Pressure Control | Radar

Pressure sensors in automation monitor air, hydraulic and fluid pressure on machines. They confirm clamp pressure, detect leaks and protect equipment.

Sensor Types

• Electronic pressure switches – displays and set points
• Pressure transmitters – analog outputs
• IO-Link pressure sensors – diagnostics and setup
• Vacuum sensors – gripper confirmation

Choosing a Sensor

Select range, output, connection and display options. Compact sensors fit directly on machines.

Centro supplies pressure sensors for automation.

Related categories: Automation & Robotics Sensors | Condition Monitoring | Flow Sensors | Sensor Accessories | Contrast Sensor

Industrial pressure gauges are built for the vibration, pulsation and rough handling found in plants, pump rooms and machinery. They give operators a dependable local reading of pressure in water, air, oil, steam and process lines.

Industrial Gauge Options

• Stainless steel cases – corrosion resistance and durability
• Liquid-filled gauges – dampen vibration and pulsation for steady readings
• Brass and stainless internals – match media compatibility
• Bottom and back connections – for line and panel mounting
• Dial sizes from 2" to 6" – readable at a distance

Selecting a Gauge

Choose a range so normal operating pressure sits in the middle of the dial, generally about twice the operating pressure. Use a liquid-filled gauge on pumps and compressors, and add a snubber for pressure spikes. Confirm the connection size and accuracy grade.

Centro carries industrial pressure gauges for plant, process and equipment applications.

Related categories: Pressure Gauges | Process Gauges | Commercial Gauges | Test Gauges | Differential Pressure Gauges

Turbine flow meters measure liquid flow by counting the rotation of a turbine rotor. They're accurate and responsive in clean, low-viscosity liquids such as water, fuels and light chemicals.

Turbine Meter Features

• High accuracy – suitable for batching and blending
• Wide turndown – broad flow range
• Pulse and analog outputs – connect to totalizers and controls
• Sanitary and stainless versions – food and chemical service

Installation Tips

Provide enough straight pipe upstream and downstream, and install a strainer to protect the rotor. Viscosity changes affect accuracy, so turbines suit consistent, clean fluids.

Centro supplies turbine flow meters for water, fuel and chemical measurement.

Related categories: Flow Meters | Roto Meters | Magnetic Flow Meters | Thermal Flow Meters | Positive Displacement Flow Meters

We offer a reliable selection of ball valves or flow control valves designed for smooth operation and long-lasting performance in a wide range of applications. These quarter-turn valves provide tight shutoff capabilities, making them ideal for use in fluid systems requiring low torque and minimal leakage.

Ball Valves are available in a variety of materials including brass, stainless steel, and PVC, our solutions support industrial needs. Whether you're managing water, oil, gas, or chemical flow, our valve options ensure durability and precise control.

With configurations ranging from full port to reduced port and options for 1-piece, 2-piece, and 3-piece designs, we provide flexibility for everything from general plumbing to high-pressure industrial systems.

Explore our complete range of ball valves to find the right fit for your application or contact our experts for personalized guidance.

Related categories: Valves | Valve Accessories | Gauge Cock Valves | Gate Valves | Pneumatic Safety Valves

Test gauges, also called calibration gauges, provide high-accuracy readings for checking and calibrating other instruments. They're essential tools for maintenance and instrument technicians.

Test Gauge Options

• Analog test gauges – 0.25% accuracy with mirror dials
• Digital test gauges – high accuracy and data logging
• Wide range selections – vacuum to high pressure
• Calibration certificates – traceable documentation

Choosing a Test Gauge

Select accuracy at least four times better than the instruments you're testing. Choose range and connection to match. Handle and store test gauges carefully to protect accuracy.

Centro supplies test gauges for calibration and verification.

Related categories: Pressure Gauges | Differential Pressure Gauges | Commercial Gauges | Digital Gauges | Process Gauges

A float switch is a simple, dependable way to monitor liquid level and automate pumps and alarms. As the liquid rises or falls, the float moves and opens or closes a circuit at the set point, with no complex setup or programming.

Common Uses

• Pump control – start and stop sump, lift station and transfer pumps
• High and low alarms – prevent overflows and dry running
• Tank filling – control solenoid valves and fill pumps
• Leak detection – sense water in pans and basements

Choosing a Float Switch

Select the mounting style that fits your tank (top, side or cable-suspended) and a float material compatible with the liquid, such as polypropylene, stainless or PVDF. Check the switch rating against your load and use a relay for larger pumps. Specific gravity affects how well the float works.

Centro offers float switches in many materials and styles for water, wastewater and chemical tanks.

Related categories: Liquid Level | Radar | Level Transmitters | Differential Pressure Control | Float Switches

Desiccant breathers replace standard reservoir breather caps. They stop moisture and dirt from entering hydraulic and gearbox reservoirs as they breathe.

Benefits

• Moisture removal – silica gel absorbs water
• Particulate filtration – capture airborne dirt
• Color change indication – show when to replace
• Longer oil and component life – reduce contamination

Choosing a Breather

Size by airflow and environmental humidity. Use adapters to fit existing fill ports.

Centro supplies desiccant breathers.

Related categories: Hydraulic and Lube Oil | Vessels | Elements

Temperature switches open or close a contact at a set temperature to start fans, stop heaters, trigger alarms or shut down equipment. They're simple, dependable temperature protection.

Switch Types

• Mechanical switches – bulb and capillary or bimetal
• Electronic switches – adjustable set points and displays
• Limit switches – high-limit safety shutoff
• Explosion-proof switches – hazardous areas

Choosing a Switch

Select range, deadband, contact rating and sensor style. Use thermowells for pressurized systems. Manual-reset limits add safety.

Centro supplies temperature switches for equipment protection and control.

Related categories: Temperature Measurement, Instrumentation and Control | Temperature Controllers | Thermocouples and RTDs | Temperature Recording | Thermometers

Check valves are mechanical devices designed to allow fluid—whether liquid or gas—to flow in only one direction, preventing backflow that can damage equipment or disrupt system performance. Commonly used in industrial, plumbing, and MRO (maintenance, repair, and operations) systems, they automatically open with forward flow and close when flow reverses. Available in various types like swing, ball, and inline designs, check valves are essential for ensuring system integrity, protecting pumps and compressors, and maintaining operational safety.

Types of Check Valves We Offer:

• Swing Check Valves – Ideal for irrigation and low-pressure systems
• Ball Check Valves – Reliable for wastewater and slurry applications
• Piston Check Valves – Designed for precise flow control in hydraulic systems

We partner with leading manufacturers to provide top-quality materials and engineering in every check valve we supply. Browse our extensive selection and find the perfect check valve for your needs. Order online today or contact our experts for assistance!

Related categories: Valves | Needle Valves | Control Valves | Cryogenic Valves | Lined Valves

Pressure transmitters send accurate pressure readings to your control system over long distances. They're the standard instrument for process monitoring, control loops and safety systems.

Transmitter Types

• Gauge and absolute transmitters – line pressure measurement
• Differential pressure transmitters – flow, level and filter monitoring
• Smart transmitters – HART and digital communication
• Remote seal transmitters – hot, viscous or corrosive media
• Hazardous area models – explosion-proof and intrinsically safe

Choosing a Transmitter

Select range, accuracy, process connection and wetted materials. Consider output, display and approvals. Manifolds simplify installation and calibration.

Centro supplies pressure transmitters and manifolds for process measurement.

Related categories: Pressure Control | Pressure Regulators | Pressure Switch | Sequence Valves | Gauges

Valve accessories add control, feedback and protection to valves. Actuators, positioners, limit switches, handles and locking devices make valves easier and safer to run.

Accessories Available

• Actuators – pneumatic and electric automation
• Positioners – modulating control
• Limit switches – position feedback
• Gear operators and handwheels – manual operation
• Locking devices and extensions – safety and access

Choosing Accessories

Match valve type, size and mounting standard (ISO 5211). Choose environmental ratings for the installation.

Centro supplies valve accessories and automation packages.

Related categories: Valves | Gate Valves | Ball Valves | Valve Repair Kits & Parts | Gauge Cock Valves

Flow control valves are essential devices used in fluid control systems to regulate the flow rate within a pipeline or system. These valves allow for precise adjustment of flow rates, ensuring optimal performance and efficiency. By controlling the opening or closing of the valve or by using throttling mechanisms, flow control valves can increase or decrease the flow rate as desired. This enables operators to maintain stable flow conditions, prevent fluid overload, and achieve accurate flow control for various applications. Flow control valves are commonly used in manufacturing, oil and gas, water treatment, and HVAC systems, where precise flow management is critical for operational success.

Related categories: Valves | Fuel, Gas, and Oil Valves | Directional Control Valves | Butterfly Valves | Valve Positioners

Gauge parts and accessories protect, mount and maintain pressure gauges. The right accessory improves accuracy and gauge life and makes installations safer.

Accessories Available

• Syphons – protect gauges from steam
• Snubbers – dampen pulsation
• Gauge valves and cocks – isolation for service
• Panel mounting kits and brackets – secure mounting
• Overpressure protectors – prevent damage from spikes

Choosing Accessories

Match thread sizes and materials to your gauge and process, and select protective devices for the conditions.

Centro supplies gauge parts and accessories.

Related categories: Gauges | Tridicators | Pressure Gauges | Manometers | Tubular Gauges

Sight flow indicators are essential instruments used to visually monitor the flow of liquids and gases in a pipeline or process system. These transparent or glass-tube indicators allow operators to observe the presence, color, clarity, and flow rate of fluids, ensuring smooth operations and providing valuable insights into the process. Sight flow indicators are commonly used in industries like chemical processing, petrochemicals, pharmaceuticals, and water treatment, where real-time flow observation is critical for safety, quality control, and troubleshooting. With a wide range of designs and materials available, sight flow indicators offer reliable and easy-to-use solutions for monitoring fluid flow and ensuring the efficiency of industrial processes.

Related categories: Flow Meters | Accessories and Parts | Ultrasonic Flow Meters | Water Meters | Gas Flow Meters

Bimetal thermometers are widely used temperature measurement devices that employ a bimetallic strip to indicate temperature changes. These thermometers consist of two metal strips, typically made of different metals with different coefficients of thermal expansion, bonded together. The metals expand or contract at different rates as the temperature changes, causing the bimetallic strip to bend. This bending motion is then translated into a rotational movement displayed on a calibrated dial to indicate the temperature. Bimetal thermometers are known for their simplicity, durability, and cost-effectiveness. They are commonly used in various industries and applications requiring reliable temperature monitoring, such as HVAC systems, automotive, food processing, and industrial processes. Bimetal thermometers offer advantages such as wide temperature ranges, resistance to shock and vibration, and ease of installation. They are available in different sizes and configurations to suit specific application requirements. With their robust construction and accurate temperature indication, bimetal thermometers provide a reliable and cost-effective temperature measurement solution in various industrial and commercial settings.

Related categories: Thermometers | Industrial Thermometers

Temperature sensors in automation monitor machine, fluid and process temperatures. They protect motors, hydraulics and products from overheating.

Sensor Types

• RTD and thermocouple probes – direct measurement
• Electronic temperature switches – displays and set points
• IO-Link temperature sensors – digital integration
• Infrared sensors – non-contact measurement

Choosing a Sensor

Select range, probe length, connection and output. Compact sensors with displays simplify machine monitoring.

Centro supplies temperature sensors for automation.

Related categories: Automation & Robotics Sensors | Automation Light Grids | Sensor Accessories | Ultrasonic Sensors | Condition Monitoring

Pressure transducers convert pressure into an electrical signal for PLCs, data loggers and controls. They provide continuous monitoring of hydraulics, pneumatics, water systems, HVAC and process equipment.

Transducer Options

• Output types – millivolt, 0-5 V, 0-10 V, 4-20 mA and digital
• Gauge, absolute and sealed references – suited to the measurement
• Stainless steel wetted parts – compatible with most media
• Compact OEM transducers – high-volume machine builds
• Hazardous area models – intrinsically safe and explosion-proof

Choosing a Transducer

Select a range so normal pressure sits around 50-75% of full scale, and consider accuracy, temperature effects and overpressure ratings. Protect against pressure spikes with snubbers. Match connectors and cable to the installation.

Centro carries pressure transducers for industrial, mobile and process applications.

Related categories: Pressure Control | Pressure Control Accessories | Gauges | Pressure Switch | Pressure Transmitters

Valve repair kits and parts are essential components used to maintain and repair valves in fluid control systems. These kits typically include seals, gaskets, o-rings, springs, and other necessary parts needed to restore or replace worn or damaged elements of a valve. Valve repair kits and parts enable the repair and refurbishment of valves, extending their lifespan and ensuring proper functioning. By using these kits, operators can quickly and cost-effectively address valve issues without requiring complete valve replacement. These kits are available for different types and sizes of valves, allowing for specific repairs tailored to the valve's design and requirements. Valve repair kits and parts are essential for industries such as manufacturing, petrochemicals, water treatment, and HVAC, where reliable valve performance is crucial.

Related categories: Valves | Drain Valves | Gate Valves | Globe Valves | Valve Accessories

Needle valves are essential for controlling fluid flow with high precision in industrial and commercial applications. These valves feature a small, tapered stem that allows for fine adjustments, making them ideal for systems that require accurate flow regulation. Commonly used in industries such as chemical processing, oil and gas, water treatment, and instrumentation, needle valves help maintain efficiency and process stability.

Types of Needle Valves

We offer a variety of needle valves designed to meet different application requirements, including:

• Standard needle valves for general-purpose flow control in low- to medium-pressure systems.
• High-pressure needle valves built for demanding applications with extreme pressure conditions.
• Instrumentation needle valves for precise flow adjustments in analytical and laboratory settings.

Choosing the Right Needle Valve

Selecting the appropriate needle valve depends on factors such as system pressure, temperature, fluid type, and required flow control precision. Consider whether the valve needs to handle gases or liquids, as well as the level of adjustability required for your application.

Browse our selection of needle valves online or contact our team for expert assistance in choosing the right solution for your system.

Related categories: Valves | Cryogenic Valves | Check Valves | Valve Positioners | Control Valves