Back-Pressure, Spring-Loaded
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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"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.
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