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Back-Pressure, Spring-Loaded Regulators

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Back-Pressure Spring-Loaded Regulators

  • Maintain upstream pressure control in analytical or process systems
  • Protect sensitive equipment from costly damage
  • Have low internal volume
  • Are offered in various styles to adapt to any setting or requirement including:

Compact Piston-Sensing Back-Pressure Regulators (KCB Series)

Specifications

Maximum Inlet Pressure Equal to pressure control range
Pressure Control Ranges 0 to 10 psig (0.68 bar) through 0 to 375 psig (25.8 bar)
Flow Coefficient (Cv) 0.2
Maximum Operating Temperature 176°F (80°C) with PCTFE retainer seal
392°F (200°C) with PEEK retainer seal
Weight 1.0 lb (0.5 kg)
Ports 1/8 in. female NPT inlet and outlet(s)
MPC platform

Compact General Purpose Back-Pressure Regulators (BS2 and BSH2 Series)

Specifications

Maximum Inlet Pressure 507 to 10150 psig (35 to 700 bar)
Pressure Control Ranges 0 to 10150 psig (0 to 700 bar)
Material 316L SS materials of construction for corrosion assistance

General-Purpose Diaphragm-Sensing Back-Pressure Regulators (KBP Series)

Specifications

Maximum Inlet Pressure Equal to pressure control range
Pressure Control Ranges 0 to 10 psig (0.68 bar) through 0 to 500 psig (34.4 bar)
Flow Coefficient (Cv) 0.2
Maximum Operating Temperature 176°F (80°C) with PCTFE retainer seal
392°F (200°C) with PEEK retainer seal
Weight 2.4 lb (1.1 kg)
Ports 1/4 in. female NPT inlet, outlet, and gauge ports (all body materials)
1/4 in. tube stub inlet, outlet, and gauge ports (316 SS body material only)

General Purpose Back-Pressure Regulators (BS[H]4, BS[H]6, and BS[H]8 Series)

Specifications

Pressure Control Ranges Diaphragm sensing: 0 to 406 psig (28 bar)
Piston sensing: 0 to 5220 psig (360 bar)
Options Anti-tamper
NACE MR0175/ISA 15156-compliant models
Special cleaning to ASTM G93 Level C
Gauge connections - choice of 4 configurations

General Purpose Back-Pressure Regulators (BS[H]10 and BS[H]15 Series)

Specifications

Pressure Control Ranges Diaphragm sensing: 0 to 290 psig (20 bar)
Piston sensing: 0 to 3628 psig (0 to 250 bar)
Options NACE MR0175/ISO 15156-compliant models
Special cleaning to ASTM G93 Level C

High-Pressure Piston-Sensing Back-Pressure Regulators (KHB Series)

Specifications

Maximum Inlet Pressure Equal to pressure control range
Pressure Control Ranges 0 to 500 psig (34.4 bar) through 100 to 10000 psig (6.8 to 689 bar)
Flow Coefficient (Cv) 0.06 and 0.25
Maximum Operating Temperature 212°F (100°C)
Weight 5.7 lb (2.6 kg)
Ports 1/4 in. female NPT inlet, outlet, and gauge ports

Spring-Loaded, High-Sensitivity Back-Pressure Regulators (LBS4 Series)

Options:

  • NACE MR0175/ISO 15156-compliant models
  • Special cleaning to ASTM G93 Level C

High-Flow, High-Sensitivity Diaphragm-Sensing Back-Pressure Regulators (KFB Series)

Specifications

Maximum Inlet Pressure Equal to pressure control range
Pressure Control Ranges 0 to 10 psig (0.68 bar) through 0 to 250 psig (17.2 bar)
Flow Coefficient (Cv) 1
Maximum Operating Temperature 176°F (80°C) with PCTFE retainer seal
392°F (200°C) with PEEK retainer seal
Weight 4.4 lb (2.0 kg)
Ports 1/2 in. female NPT inlet and outlet, ¼ in. female NPT gauge port


Medium- to High-Pressure Piston-Sensing Back-Pressure Regulators (KPB Series)

Specifications

Maximum Inlet Pressure Equal to pressure control range
Pressure Control Ranges 0 to 1000 psig (68.9 bar) through 0 to 4000 psig (275 bar)
Flow Coefficient (Cv) 0.06 and 0.2
Maximum Operating Temperature 176°F (80°C) with PCTFE retainer seal
392°F (200°C) with PEEK retainer seal
Weight 2.5 lb (1.2 kg)
Ports 1/4 in. female NPT inlet, outlet, and gauge ports

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Discover more about how Swagelok products can work for you. Browse our catalogs or locate a sales and service center.

"Safe Product Selection: The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.

Caution:
Do not mix or interchange product components with those of other manufacturers."

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