Chemical Back Pressure Valves & Control Valves

Mark 50 Series ⟶

Self Operated, Sliding Gate, 1/4"- 4", Up to 200 Cv | Quick Ship Available

Mark 501/502 Series High Flow Back Pressure Regulator ⟶

Sliding Gate, Cv (Kv): up to 70 (up to 60), Sizes: 1-1/2″ – 2″ (DN40 – DN50)

Mark 50HP Series High Pressure Back Pressure Regulator ⟶

Up to 450 psi (31 bar), 1/4" - 4" (DN8 - DN100) | Quick Ship Available

Mark 51 Series High Sensitivity Back Pressure Regulator

Mark 51 Series High Temperature Back Pressure Regulator ⟶

Large diaphragm, 1/4" - 3/4" size range

Mark 52 Series Pilot Operated Back Pressure Regulator ⟶

Internally Piloted, Lightweight Design, Sizes: 1/2" through 2" (DN15 to DN50)

Mark 53/54 Series Differential Back Pressure Regulator ⟶

Differential, Jorlon Diaphragm, Sizes: MK53: 1/4″ – 2″ (DN8 – DN50); MK54: 1/4″ – 3/4″ (DN8 – DN20)

Mark 55 Series Vacuum Back Pressure Regulator ⟶

Upstream Vacuum, Jorlon Diaphragm, Sizes: 1/4″ – 2″ (DN8 – DN50)

Mark 56/560 Series Air Loaded Back Pressure Regulator ⟶

Dome Loaded, High Accuracy, Sizes: 1/2″ – 6″ (DN15 – DN150)

Mark 57 Series Pilot Operated Back Pressure Regulator ⟶

Externally Piloted, Superior Accuracy, Sizes: 1/2″ – 6″ (DN15 – DN150)

Mark 675 Series - Wafer style pressure regulator

Mark 575 Series Self Operated Back Pressure Regulator ⟶

Wafer Style, Jorlon Diaphragm, Sizes: 3″ – 6″ (DN80 – DN150)

Mark 58FT/A Series Cage Trim Back Pressure Regulator ⟶

Cage Trim, Dual Inlet & Outlet for Through-Flow, Sizes: 1/4″ through 2″ (DN8 through DN50)

Mark 58G Series - Globe Style Back Pressure Regulating Valve

Mark 58G Series Globe Style Back Pressure Regulator ⟶

Tight Shutoff, Sizes: 1/4″ through 2″ (DN8 through DN50), Cv (Kv): up to 20 (up to 17,3)

Mark 586FT/586A Series Dome Loaded Back Pressure Regulator ⟶

Cage Trim, Sizes: 1/4″ - 2″ (DN8 – DN50), Max. Inlet Pressure: 300 psi (20,7 bar)

Mark 508 Series ⟶

Direct Operated Tank De-pad Regulator or
Gas Back Pressure Regulator for low pressures
3/4″ – 2″ (DN20 – DN50)

Mark 518 Series ⟶

Direct Operated Tank De-pad Regulator or
Gas Back Pressure Regulator for low pressures
1", 2", 4" (DN25, DN50, DN100)

Mark 60 Series ⟶

Self-Operated Sliding Gate Pressure Reducing Regulator | Quick Ship Available

Mark 601/602 Series Self Operated Pressure Regulator ⟶

High Flows, Higher Cv (Kv) Rating, Sizes: 1-1/2″ – 2″ (DN40 – DN50)

Mark 60HP Series High Pressure Reducing Regulator ⟶

Up to 450 PSI | ANSI Class 600 Rated | Sizes 1/4″-4″ | Quick Ship Available

Mark 61 Series Self Operated Pressure Regulator ⟶

High Sensitivity, Minimum Offset, Sizes: 1/4" – 3/4" (DN8 – DN20)

Mark 62 Series Internally Piloted Pressure Regulator ⟶

Compact Design, Turndown: up to 100:1, Setpoint Range: 2 - 200 PSI

Mark 63/64 Series Differential Pressure Regulator ⟶

Sliding Gate Seat; Tight Shutoff, Sizes: 1/4″ - 2″ (DN8 – DN50)

Mark 65 Series Vacuum Pressure Regulator ⟶

Vacuum Range: 1–25″ Hg (0.035–0.886 kg/cm²), Sliding Gate Seat; 1/2″ – 2″ (DN15 – DN50)

Mark 66 Air Loaded Pressure Reducing Regulator

Mark 66/660 Series Air Loaded Pressure Regulator ⟶

Approx. rangeability: 40:1, Sliding Gate Seat, High Accuracy, Sizes: 1/2″ - 6″ (DN15 – DN150)

Mark 67/69 Series Pilot-Operated Pressure Regulator ⟶

High Flow, Setpoint: 10 to 200 psi, Sizes: 1/2″ – 6″ (DN15 – DN150)

Mark 675 Series Wafer Style Pressure Regulator ⟶

Sliding Gate Seat, Jorlon Diaphragm, Sizes: 3″ - 6″ (DN80 – DN150)

Mark 68G Series Globe Type Pressure Reducing Valve ⟶

High Capacity, Exceptional Accuracy, Sizes: 1/4″ - 2″ (DN8 - DN50) | Quick Ship Available

Mark 68HP Series High Pressure Steam Regulator ⟶

Shutoff: ANSI Class III, Sizes: 1/2" - 1" (DN15 to DN25)

Mark 686G Series Air Loaded Pressure Regulator ⟶

Globe Trim, ANSI IV or VI, Sizes: 1/4″ - 2″ (DN8 - DN50)

Mark 608 Series ⟶

Direct Operated Tank Padding Regulator or
Gas Pressure Reducing Regulator for Low Pressures
1-1/2" - 2" (DN40 - DN50)

Mark 608BP Series ⟶

Direct Operated Tank Padding Regulator or
Gas Pressure Reducing Regulator for Low Pressures
3/4" - 1" (DN20 - DN25); Balanced Plug - Good for High Inlet Pressures

Mark 608IS Series ⟶

Direct Operated Tank Padding Regulator or
Gas Pressure Reducing Regulator for Low Pressure
3/4" - 1-1/4" (DN20 - DN32); Internal Sensing - Good for Low Inlet Pressure

Mark 627 Series Spring Loaded Pressure Regulator ⟶

Self-Operated, High Inlet Pressure; Sizes: 3/4″ - 2″ (DN20 - DN50)

Mark 630 Series Gas Pressure Reducing Regulator ⟶

Self-Operated, High Inlet Pressure up to 1500 PSI, Sizes: 1″ & 2″ (DN25 & DN50)

Mark 687 Series Piloted Pressure Reducing Regulator ⟶

Critical Low Pressure, High Flow Applications
1-1/2" - 2" (DN40 - DN50); Balanced Plug

Mark 701/702 Series ⟶

Sliding Gate Control Valve for High Flow, Higher Cv's (Kv's)

Mark 78 Series Series Pneumatic Control Valve ⟶

Globe Style, Accurate Performance, Size: 1/2″ - 2″ (DN15 - DN50) | Quick Ship Available

Mark 75 Series ⟶

Wafer Style, Motor Operated, Very Precise

Mark 75HW Series ⟶

Wafer Style, Hand Operated, Precise Adjustment

Mark 75MV Series ⟶

Wafer Style, Motor Operated Control Valve; Sliding Gate; 1″ - 8″ (DN25 - DN200)

Mark 33 Series ⟶

Boiler Feedwater Control Valve; Motor Operated Sliding Gate; 1/4″ – 2″ (DN8 – DN50)

Mark 37 Series ⟶

Motor Operated Control Valve With Electronic Linear Actuator; 1/4″ – 6″ (DN8 – DN150)

Mark DBAQ Series Angle Style Control Valve ⟶

High Pressure, High Temperature, Size: 2″

Mark CFR Series Pressure Reducing Filter Regulators ⟶

Filter Regulators

Mark ED & ET Series (1″ – 6″) ⟶

Globe Style Control Valve

Mark ED & ET Series Globe Style Control Valve ⟶

Top Entry Cage Design, Tight Shutoff, Sizes: 8"

Mark 5108 Series ⟶

Piloted Industrial Back Pressure Regulator, Sizes: 1-1/4″ – 24″

Mark 688 Series ⟶

Piloted Tank Padding Regulator or
Gas Pressure Reducing Regulator for Low Pressures
1" - 2" (DN25 - DN50)

Mark 695 Series (3/4″ – 1″) ⟶

Piloted Tank Padding Regulator
3/4", 1" (DN20, DN25); External Pilot

Mark 695 Series – 2″ ⟶

Piloted Tank Padding Regulator
2" (DN50); Internal Pilot

Mark 695X Series ⟶

Direct Operated Tank Padding Regulator
1/2" - 3/4" (DN15 - DN20)

Mark 608BPM Series Direct Operated Pressure Reducing Valve ⟶

Spring Loaded, Self Actuated, Sizes: 1" up to 10" (DN25 - DN250)

Mark 508MM Series Spring Loaded Back Pressure Valve ⟶

Self-actuated, Direct-operated, Sizes: 1" - 10" (DN25 - DN250)

Mark 608MM Series Spring Loaded Pressure Regulator ⟶

Flow to Open Design, Sizes: 1" through 10" (DN25 through DN250)

Mark 608UBAN Series Direct Operated Pressure Reducing Valve ⟶

High Capacity, Spring Loaded, Sizes: 1/2" to 2" (DN15 to DN50)

Mark 6127 Series Liquid Pressure Regulator ⟶

Pilot-operated, Heavy-duty Diaphragm, Sizes: 1-1/4" - 24"

Y-Type Strainers ⟶

Line Strainers, For Services up to 1480 psi

Mark 82 Series ⟶

Internal Piloted Temperature Regulators | Direct or Reverse Acting | Sliding Gate with Sensing Bulb

Mark 89/89MX ⟶

Three-Way, Diverting or Mixing Service

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Key Features Chemical Pressure Regulating Valves

Chemical-Resistant Materials – Jordan Valve’s chemical process regulators and control valves are available in materials like stainless steel, Hastelloy, and Jorlon diaphragms, ensuring compatibility with aggressive chemicals, acids, solvents, and high-temperature steam.
Precise Pressure and Flow Control – Designed for applications requiring consistent downstream pressure, back-pressure regulation, and vacuum control, these chemical pressure regulating valves help maintain stable process conditions in reactors, distillation columns, and storage tanks.
Globe-Style and Cage-Guided Valves – Providing high flow capacity and tight shutoff, these designs of our chemical control valves prevent leakage and ensure accurate regulation in critical chemical processes.
Sliding Gate Technology – Featured in many Jordan Valve regulators, this innovation offers low friction operation, reduced wear, and longer service life, making it ideal for handling corrosive or high-viscosity fluids.
Differential and Vacuum Regulators – Used in applications requiring precise pressure differentials, such as gas blanketing, chemical dosing, and vacuum distillation.
High-Purity Solutions – Certain models are designed for industries requiring ultra-clean operations, such as pharmaceutical and specialty chemical production.

Jordan Valve’s chemical process valves are trusted across industries like petrochemicals, industrial gas production, fine chemicals, and bulk chemical manufacturing, ensuring process stability, reduced downtime, and enhanced safety.

How Our Local Sales Representatives Can Help

Proper Valve Sizing – Selecting the right chemical processing valve size is critical for achieving accurate pressure control and efficient flow management. Our experts can help calculate the correct valve size based on your process conditions, flow rates, and pressure differentials.
Material Selection for Chemical Compatibility – Given the wide range of corrosive, high-purity, and hazardous chemicals used in processing applications, our representatives can recommend the best valve body, trim, and diaphragm materials to ensure long-term durability and compliance with industry standards.
Application-Specific Solutions – Whether you need a chemical back pressure valves for reactor pressure control, a pressure-reducing valve for steam heating, or a vacuum regulator for distillation processes, our team will help match the right product to your exact needs.
Custom and Specialty Configurations – If your application requires a unique valve configuration, our representatives work closely with Jordan Valve’s engineering team to provide customized solutions that meet your process demands.
On-Site Support and Troubleshooting – Many of our local sales representatives offer on-site evaluations, system audits, and technical troubleshooting to help optimize your valve performance and reduce maintenance costs.

By working with a Jordan Valve local sales representative, you can ensure that you’re selecting the most efficient, cost-effective and reliable valves for chemical processing industry application.