Modulating Gas Valves

Description: The PM6 is a 2-port pneumatically actuated modulating stainless steel control valve designed for use on steam, water, air, oil, gases and vacuum applications. As standard it is fitted with a PEEK plug seal for operation up to 180° C, and both the body and shaped-plug have

• Actuation Method: Pneumatic

Description: CIRCOR Energy is pleased to offer the Model 3500 as part of our Pilot Operated Valves portfolio. Below is a list of features that will enable you to better understand its capabilities. Features Snap acting & modulating options available API orifice sizes "D

• Connection: Bolt Flange
• Material of Construction: Steel
• Media: LP - Gas, Natural Gas
• Valve Size: 1 to 8 inch

Description: DFT® Vacuum Breakers provide effective protection against collapse of pressure vessels, tanks and rolls. They prevent condensate "back-up" when equipment is shut down or inlet steam is reduced by modulating control valves. In piping systems, DFT® Vacuum Breakers are used to break

• Connection: Threaded, Metal Face Seal
• Material of Construction: Stainless Steel
• Media: Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases
• Metal Seated: Yes

Description: Operation A thermostatic element inside the valve senses temperature and if this falls below the setpoint, the valve modulates open to allow flow. When the temperature increases to near the setpoint, the HAT (Heat Actuated Trap) valve modulates closed. HAT

• Connection: Threaded
• Material of Construction: Brass / Bronze, Stainless Steel
• Media: Gasoline / Diesel Fuel, Other
• Pressure Rating: 300 psi

Description: hermetically sealed with all moving parts inside a static pressure boundary, virtually eliminating the potential for leakage to the environment. Supplied through Curtiss-Wrights Valve Group - Korea manufacturing facility. Position Indication: Full-open, full-closed, continuous

• Media: Gasoline / Diesel Fuel
• Valve Size: 1 to 8 inch
• Valve Type: Control Valves, Solenoid Valves

Description: 6" Direct Mount PVC Butterfly Valve with Viton Seats & 100-240VAC Plastic Modulating Electric Actuator

• Material of Construction: Aluminum, Brass / Bronze, PVC
• Pressure Rating: 600 psi
• Valve Size: 6 inch
• Valve Type: Butterfly Valves

Description: 2" Direct Mount PVC Butterfly Valve with EPDM Seats & 100-240VAC Plastic Modulating Electric Actuator

• Material of Construction: Aluminum, Brass / Bronze, PVC
• Pressure Rating: 600 psi
• Valve Size: 2 inch
• Valve Type: Butterfly Valves

Description: 4" Direct Mount PVC Butterfly Valve with EPDM Seats & 12VDC Plastic Modulating Electric Actuator

• Material of Construction: Aluminum, Brass / Bronze, PVC
• Pressure Rating: 600 psi
• Valve Size: 4 inch
• Valve Type: Butterfly Valves

Description: 12" Direct Mount PVC Butterfly Valve with EPDM Seats & 100-240VAC Plastic Modulating Electric Actuator

• Material of Construction: Aluminum, Brass / Bronze, PVC
• Pressure Rating: 600 psi
• Valve Size: 12 inch
• Valve Type: Butterfly Valves

Description: Operation The ThermOmegaTech® 3-way M/D thermostatic temperature control valves use a thermal actuator to automatically and accurately proportion flow in response to fluid temperature. For mixing applications, the M/D valves will modulate between the hot and cold “inlet

• Connection: Threaded
• Material of Construction: Brass / Bronze, Stainless Steel
• Media: Gasoline / Diesel Fuel, Other
• Pressure Rating: 350 psi

Description: Operation The ThermOmegaTech® 3-way M/D thermostatic temperature control valves use a thermal actuator to automatically and accurately proportion flow in response to fluid temperature. For mixing applications, the M/D valves will modulate between the hot and cold “inlet

• Connection: Threaded
• Material of Construction: Stainless Steel
• Media: Gasoline / Diesel Fuel, Other
• Pressure Rating: 250 psi

Description: Operation The ThermOmegaTech® 3-way M/D thermostatic temperature control valves use a thermal actuator to automatically and accurately proportion flow in response to fluid temperature. For mixing applications, the M/D valves will modulate between the hot and cold “inlet

• Connection: Threaded
• Material of Construction: Brass / Bronze, Stainless Steel
• Media: Gasoline / Diesel Fuel, Other
• Pressure Rating: 250 psi

Description: reductions (2.5% to 4%) correlated to reduction in pumping work and to improvement in combustion phasing at knock-limited points from substantial reductions in Residual Gas Fraction compared to the conventionally-boost ed baseline engine. In this paper we present additional results from

Description: The OMEGA® PV100 Series comprises economical proportional valves for use with gases. They combine a solenoid valve with an electronics package that digitally modulates the control signal to provide analog proportional control without the expense or complexity of stepper

• Actuation: Electric
• Connection: Threaded
• Flow (Cv): 0.0200 to 0.1200
• Media Temperature: -0.4000 to 180 F

Description: Type K rotary pneumatic damper drives are offered in two configurations; PM Series (Pedestal Mount) and DM Series (Direct Mount). Both provide accurate quarter-turn control to dampers on combustion air and flue gas applications, offering modulating control, isolation open / close

• Actuation Method: Hydraulic
• Operation: Modulating
• Valve Motion: Rotary Motion Valve

Description: Bidirectional, zero-leakage, triple-offset butterfly valves Features and benefits DESIGN FEATURES: • Triple-offset disc rotation: Provides bubble-tight sealing without rubbing or galling. • Cryogenic stem packing: Composed of superposed Viton O-rings and

• Valve Size: 3 to 80 inch
• Valve Type: Butterfly Valves, Other

Description: The extended fin globe control valve is designed for modulating flow control in industrial or research applications at 1200° F or less and at pressures less than 5000 psi. The added bonnet length and fins serve to reduce the heat at the packing area. Designed for extreme temperature

• Flow (Cv): Over 0.0
• Media Temperature: -450 to 1200 F
• Pressure Rating: 0.0 to 5000 psi
• Valve Size: 0.2500 to 1 inch

Description: modulating control or for on/off gas, liquid and steam applications. Class IV shutoff is standard. Features: 1/2” to 6” ANSI 150 and 300 Carbon Steel and Alloy Steel ANSI RF ends Top entry Globe design Characterized trim - Equal Percentage, Linear, Quick Opening Pneumatic Actuation

• Actuation: Pneumatic
• Connection: Bolt Flange
• Flow (Cv): 5 to 445
• Material: Steel, Other

Description: The DFT® Model PDC Silent Check Valve is specially designed for use on the discharge side of reciprocating air or gas compressors. It includes a pulse damping chamber to maintain the disc in the open position during the momentary reductions in flow associated with each cycle of a

• Valve Type: Check Valves

Description: with a variety of trim materials to suit nearly any application. These valves provide excellent modulating control for pressure, temperature, level, and flow of a wide variety of fluids in from -20° to 800°F. GVI Valves are effective for the control of liquids, gases, and

• Actuation: Manual / Hand, Electric, Pneumatic, Other
• Flow (Cv): 170
• Media: Water, Hot Water, Cold Water
• Media Temperature: -20 to 800 F

Description: DeZURIK BOS-US Resilient Seated Butterfly Valves are designed to handle a wide variety of liquids and gases. The uninterrupted seat BOS Valve is desirable for extended service applications such as high cycles, high pressures and high temperatures. BOS-US valves are

• Valve Type: Butterfly Valves

Description: Schischek ExRun explosionproof linear actuators for use in Zone 1, 2, 21, 22. Gas + Dust certified. Compact and robust with integrated terminal box, IP66 aluminium housing and optional offshore/marine coating. A cost-effective solution for automation of 2- and 3-way valves with

• AC Voltage: 24 to 240 volts
• DC Voltage: 24 to 240 volts
• Location: Hazardous
• Operation: On / Off (isolating), Modulating

Description: Negative regulated gas valve precisely delivers gas to the boiler U-Control gives you the power for easy set-up and maintenance Modulates with 5 to 1 turn-down ratio capability Variable speed motor matches combustion output to heating needs High grade stainless steel

Description: on/off or modulating services. For linear applications, actuators shall be of the linear hydraulic design. This document applies to actuators with a maximum allowable operating pressure from 150 psig to 2250 psig using direct piped natural or sour gas segregated from the actuator by

Description: Manual actuators for the operation of quarter-turn valves. MR range manual gearbox, irreversible worm gear or scotch-yoke kinematics. Standard operation by handwheel. Models MR 400 to 1600 can be retrofitted with electric actuators. Options include alternative operating mechanisms, limit

• Actuation Method: Manual
• Actuator Torque: 2212 to 141593 In-lbs
• Full Range Of Rotary Motion: Quarter Turn ( 90 degrees)
• Location: Non-hazardous

Description: internal stainless steel pressure sensor measures the high pressure output of the integral volume booster and sends this signal to the onboard controller. This controller then modulates the two solenoid valves to match the integral volume booster's output pressure to the user's

• Connection: Threaded
• Material of Construction: Aluminum, Brass / Bronze
• Valve Size: 0.3750 inch

Description: butterfly and ball valves, but also on air handling louvers and gas shutoff valves. Standard and Hazardous Location This page describes our Standard Location Product offerings, click here for the Hazardous Location Products. For convenience, click here for a

• AC Phase: Single Phase, Three Phase
• AC Voltage: 120 to 480 volts
• Actuation Method: Electric
• Actuator Torque: 31000 In-lbs

Description: This unit is designed with a bulb and capillary assembly that automatically regulates the fuel flow to the Cata-Dyne™ heater. The sensing bulb is filled with temperature sensitive liquid, which responds to changes in temperature by expanding or contracting. This modulates the flow of fuel

• Control Signal Output: Other
• Control Technique: Limit / Set Point Control
• Form Factor: Other
• Media: Gas / Air

Description: Detects leaks of any gas type, but can also be used for thermal expansion valves and steam traps Optional noise-cancelling headphones and SoundBlaster® for utmost confidence when finding leaks Visual and audible indicators include an LED scale and a

• Display Type: Analog Meter or Indicator
• Leak Test Method: Ultrasonic Leak Detector
• Local Interface: Digital Front Panel
• Output Options: Frequency / Modulated Frequency

Description: The Peerless® Pinnacle® PI-399 gas-fired, commercial boiler is available for either natural or LP gas. High-grade stainless steel construction assures the boiler's durability. The new metal mesh burner elements improve turndown and reduce emissions. Features such as a fully

• Fuel Type / Heat Source: Gas (Natural / Propane)
• Heat Output (Capacity): 93000 BTU/hr
• Type: Hot Water

Description: gas, up to 8:1 turndown on light oil and up to 8:1 turndown on low NOx natural gas. Features: Low motor horsepower for increased energy efficiency Induced FGR (Flue Gas Recirculation) FGR modulating valve Forced draft for clean and efficient combustion No. 2 oil

• Burner Type: Nozzle Mixing
• Combustion Fuel: Natural Gas, Light Oil
• Convection: Forced Draft
• Firing: Direct

Description: WE (weather-proof) and XE (explosion-proof) electric actuators are specially designed for quarter turn operating applications such as Ball Valve, Butterfly valves, Plug valves, Dampers and similar valve automation usages. WE/XE Series electric actuators are ideal for

• AC Phase: Single Phase, Three Phase
• Actuation Method: Electric
• Actuation Time: 0.8387 seconds
• Actuator Torque: 4400 In-lbs

Description: Forced draft for clean and efficient combustion Top or rear mount panel options Induced FGR FGR modulating valve FGR shutoff valve Cam trim with 14-point adjustment range on FGR No. 2 oil capability for back-up fuel UL & cUL listed

• Burner Type: Nozzle Mixing
• Combustion Fuel: Natural Gas, Light Oil, Propane
• Convection: Forced Draft
• Firing: Indirect

Description: automatically adjusts the air/gas mixture for maximum burner efficiency. The linkageless burner provides 5:1 fully modulating turndown without the use of complex air/fuel mixing valves or mechanical devices. The dual-return connections have the ability to increase condensing in

• Fuel Type / Heat Source: Gas (Natural / Propane)
• Technology: Firetube / Scotch Marine

Description: A high plume fans, designed for safer and more reliable displacementof lab exhaust air. Included are the lab hoods, modulating control valves, ductwork connecting to a manifold, a mixing box with bypass damper, a QMX mixed flow fan and a Vari-Plume high plume dilution nozzle. While

• Applications: Exhaust Ventilation
• Design Configuration: Centrifugal
• Environment: Clean Air / Gas, Corrosive Gases, Dirty Air / Gas, Other
• Material: Steel