The Marsh Bellofram Type 10 Air Pressure Regulator is designed to control output pressure with accuracy of 0.1% and high-repeatability, with very low sensitivity to changes in supply pressure, ambient temperature and flow.
The Type 110 Large Forward and Exhaust Flow Air Pressure Regulator combines the proven technology of the Type 10 regulator with the large pneumatic booster of the Type 79 Relay. The result is a precise, crisply responding regulator that can […]
The Type 40 Air Pressure Regulator is a reliable adjustable air pressure regulator, designed for instrumentation and general purpose use. Test data for the Type 40 shows excellent performance characteristics in such areas as regulated pressure vs. flow, forward-to-reverse flow […]
The Type 41 Precision Air Pressure Regulator incorporates a patented Bellofram rolling diaphragm design and is ideal for applications which require high flow capacity, low droop, high accuracy and fine adjustment sensitivity.
The Marsh Bellofram Type 50/Type 50 NACE Precision Filter Air Set Regulators are reliable, precision filter air set pressure regulators, designed for instrumentation and general purpose use in both standard (Type 50) and corrosive environments (Type 50 NACE).
Type 51 High-Performance Low-Cost Precision Air Regulator offers a high-performance in a compact, low-cost package, offering output pressure ranges to 100 psig; 6.9 BAR (120 psig; 8.3 BAR in T-51FR Corrosive Tec & T51FRWT).
Type 51 Stainless Steel Regulators and Filters NACE from Marsh Bellofram Corporation. The Type 51SS regulator is designed for service with a variety of corrosive gases and environments and comply with NACE MR-01-75.
Type 60 and Type 65 Preset General Purpose Air Regulators from Marsh Bellofram. Type 60 & Type 65 Precision Air Regulators are reliable precision units designed for instrumentation and general purpose use. The Type 60 is a preset, fixed-pressure unit […]
The Marsh Bellofram Type 70 High-Flow Air Pressure Regulator is expressly designed for applications requiring substantial flow capacity of up to 80 SCFM (2250 LPM) and accurate pressure controls.
The Type 70BP High-Flow Back Pressure Air Regulator is a high-flow, high-precision pneumatic relief valve with adjustable set point. It is expressly designed for applications requiring high flow capacity and accurate pressure controls.
The Type 77 Vacuum Pressure Regulator from Bellofram PCD incorporates a fixed negative 15 psig bias spring to maintain vacuum outputs up to 29″ Hg. An adjustable opposing range spring increases controlled pressure outputs up to 150 psi.
The Type 78 Direct Acting Air Pressure Regulator designed from Bellofram PCD is design to offer high-accuracy, large flow and exhaust capabilities within OEM and industrial applications.
Type 92 Subminiature Regulators from Bellofram PCD are compact, low-cost units which operate in pressure ranges up to 100 psi, with a maximum supply pressure of 150 psi. It provides dependable reliability and accuracy for low flow or dead end […]
The Type M1R and Type M2R Low-cost Miniature Air Regulators from Bellofram PCD are a compact, low cost regulator, operating in output pressure ranges up to 120 psi, with a maximum supply pressure of 145 psi.
The Type 20 Precision Pneumatic Air Relay from Bellofram PCD is a compact, two-stage, pilot operated 1:1 air relay with positive and negative bias adjustment capability.
Type 72 and Type 72HR Positive Bias Booster Pneumatic Air Relays are positive bias booster pneumatic relays are used when high flow capacity is required.
The Marsh Bellofram Type 75 and Type 75HR Pneumatic Air Relays use signal pressure to accurately control output pressure over a wide range of flow and supply pressure variations.
Type 79 High Flow and Type 79HR Precision Air Relays from Marsh Bellofram PCD Type 79 1:1 ratio high-flow precision pneumatic (air) relays are designed for applications where precise flow control is required.
Type 1000 IP and EP Transducers are electro-pneumatic transducers that reduce a supply pressure to a regulated output pressure directly proportional to a converted electrical input signal.
Type 1001 IP and EP Transducers from Marsh Bellofram are a patented family of electro-pneumatic instruments, used to reduce a supply pressure to a regulated output pressure which is directly proportional to a two-wire current or three-wire voltage input.
Type 1500 IP and EP Transducers from the Precision Controls Division of Marsh Bellofram. The Marsh Bellofram Type 1500 electro-pneumatic transducer converts an electrical signal to a proportional pressure output. It provides low-cost precision electro-pneumatic control to actuators, valves, positioners, […]
The Marsh Bellofram Type 2000 is a highly robust E/P transducer with typical full-scale accuracy of 0.1%, designed to provide precise electronic pressure control of humid (non-condensing) and oil-laden process gases within harsh industrial environments.
The Type 5000 PI Transducers is a compact, rugged and reliable two-wire pressure transmitter, expressly designed for industrial field service. This precision unit converts a signal pressure input into a precise 4-20 mA or 10-50 mA output.
Filter Regulator Lubricator Assemblies from Marsh Bellofram are designed with economy and convenience in mind. Units are available in 0-30, 0-60, and 0-120 psi output pressure ranges and 3/8″, 1/2″, 3/4″ and 1″ NPT pipe sizes with a maximum supply […]
The Marsh Instruments Digital Pressure Indicator is portable, lightweight, hand-held testing and calibrating instrument indicates pressure to 50 psig at accuracy levels of ±0.25% of reading ±1 count.
Standard Diaphragm Air Cylinders from Marsh Bellofram. Marsh Bellofram diaphragm Air Cylinders are actuators made from elastomers, engineered metals and fabrics. They require no lubrication and are virtually frictionless and economical.
Marsh Bellofram diaphragm Super Air Cylinders are actuators made from elastomers, engineered metals and fabrics. They require no lubrication and are virtually frictionless and economical.
Marsh Bellofram Small Bore Diaphragm Air Cylinders are actuators made from elastomers, engineered metals and fabrics. They require no lubrication and are virtually frictionless and economical.
Type 3110 and Type 3120 EP Analog Circuit Card Pressure Transducers from Marsh Bellofram. The Type 3110 and Type 3120 are a series of single- (3110) and double-loop (3120) electro-pneumatic analog circuit-card servo pressure transducers, designed to provide compact, high-performance, […]
The Type 3111 Compact Analog Circuit Card HVAC Pressure Regulator is an economical version of the Type 3100 series, expressly designed for use within these industry applications.
The Type 3411 Digital Circuit Card HVAC Pressure Regulator is expressly designed for use with spring-return air-duct cylinders in the HVAC industry.
Type 3410 and Type 3420 Digital Circuit Card OEM Pressure Regulators from Bellofram PCD The compact Type 3410 (single-loop) and Type 3420 (double-loop) Circuit-Card Pressure Regulators are perfect for size-conscious OEM’s, without sacrificing any of the high-end performance normally associated […]
Type 3210 and Type 3220 Analog Enclosure Regulators from Marsh Bellofram Corporation. Type 3210 single-loop and Type 3220 double-loop electro-pneumatic servo pressure controllers incorporate two solenoid valves and an internal pressure sensor for increased sensitivity and accuracy, housed within a […]
Type 3211 and Type 3221 Analog Enclosure Regulators from Bellofram PCD. Type 3211 single-loop and Type 3221 are double-loop pressure controllers which offer non-bleeding solenoid valve technology with an integral flow booster. This produces forward flows that are equivalent to […]
Type 3212 and Type 3222 Analog Enclosure Regulators from Marsh Bellofram Corporation. The Type 3212 single-loop and 3222 double-loop are non-bleeding electro-pneumatic controller with flows exceeding those of most compact standard industrial electronic regulators or I/P transducers.
The Type 3215 Weatherproof Regulator with Super High Flow utilizes reliable, quick-firing solenoids, an on-board pressure sensor, and a precision 180 scfm booster to achieve excellent accuracy and stability.
Type 3510 and Type 3520 Digital Enclosure Regulators from Marsh Bellofram Corporation. Marsh Bellofram Type 3510 single and Type 3520 double loop electro-pneumatic servo pressure controllers combine the advantages of reliable solenoid valves and digital control, housed in a rugged, […]
Type 3511 and Type 3521 Digital Enclosure Regulators from Marsh Bellofram Corporation. Type 3511 single- and Type 3521 double-loop digital servo pressure controllers, available with analog or digital outputs, combine all the advantages of reliable solenoid valve technology in a […]
Type 3512 and Type 3522 Digital Enclosure Regulators from Marsh Bellofram Corporation. The Type 3512 single loop and 3522 double loop are single units – integrated controller and booster. The 3512/3522 offers solenoid valve technology with forward flow exceeding those […]
To ensure the best performance capabilities of our pressure regulators and controllers, Marsh Bellofram offers a variety of directly compatible cordsets, converters, power suppliers, control knobs, external volume boosters and other accessories.
Type 91 Subminiature Regulator Type 91 Subminiature Regulator from Bellofram PCD is a compact, low-cost unit which operates in pressure ranges up to 100 PSI, with a maximum supply pressure of 250 PSI. It provides dependable reliability and accuracy for […]