- Reduce downstream pressure and keep it constant, even when inlet pressure or flows fluctuate
- Minimize droop in conditions with flow and pressure fluctuation
- Are suitable for gas or liquid and high-purity or high-flow applications
- Are offered in bottom-mounting, self-venting, tamper-free designs, as well as panel-mounting, convoluted and non-perforated diaphragm, metal or polymer seats, and two-stage configurations
Available models include:
Compact, General-Purpose, Spring-Loaded, Pressure-Reducing Regulators
(RS[H]2 Series)
- Non-venting
- No filter
- NACE MR0175/ISO 15156 (non-venting models only)
- Special cleaning to ASTM G93 Level C
- Panel mounting kit - no disassembly required
Compact, Piston-Sensing, Pressure-Reducing Regulators
(KCP Series)
Features
- Low internal volume
- Fully contained piston
- High-flow, dual-gauze type filter in inlet ports
General-Purpose Diaphragm-Sensing, Pressure-Reducing Regulators
(KPR Series)
The KPR series is a compact regulator with excellent accuracy, sensitivity, and setpoint pressure stability.
Features
- Convoluted, nonperforated diaphragm
- Metal-to-metal diaphragm seal
- Low internal volume
- Two-piece cap design provides linear load on the diaphragm seal
- High-flow, dual-gauze type filter in inlet ports
Two-Stage Diaphragm-Sensing, Pressure-Reducing Regulators
(KCY Series)
The KCY series is designed for use in applications requiring constant outlet pressure even with wide variations in inlet pressure. This two-stage regulator is comparable to two single-stage regulators connected in series.
This two-stage arrangement minimizes the supply-pressure effect caused by fluctuating inlet pressure, such as with a depleting gas cylinder. As inlet pressure drops below the setting of the first stage, the regulator then functions as a single-stage regulator. The first-stage pressure setting can be reduced while monitoring the pressure at the interstage port, but lower flow may result.
Features
- Convoluted, nonperforated diaphragm
- Metal-to-metal diaphragm seal
- Excellent set-point stability
- High-flow, dual-gauze type filter in inlet ports
High-Flow, High-Sensitivity Diaphragm-Sensing, Pressure-Reducing Regulators
(KHF Series)
The KHF series combines the high-flow capabilities of a bulk distribution regulator with the high sensitivity and accuracy of a point-of-use regulator.
- Large-diameter convoluted, nonperforated diaphragm for increased pressure sensitivity
- Metal-to-metal diaphragm seal
- High-flow dual-gauze type filter in inlet ports
High-Flow Piston-Sensing, Pressure-Reducing Regulators
(KPF Series)
The KPF series provides minimum droop across the flow range with high accuracy of outlet pressure.
Features
- Balanced poppet for minimal supply pressure effect
- High-flow, dual-gauze type filter in inlet ports
General-Purpose, Spring-Loaded, Pressure-Reducing Regulators
(RS[H]10, RS[H]15, and RS[H]20 Series)5
- NACE MR0175/ISO 15156-compliant models
- Special cleaning to ASTM G93 Level C
High-Pressure Piston-Sensing, Pressure-Reducing Regulators
(KHP Series)
The KHP series self-venting capability enables downstream pressure reduction in closed-loop systems.
Features
- Thrust roller bearing eases operation
- Panel-mounting configuration available
- High-flow, dual-gauze type filter in inlet ports
High-Pressure Piston-Sensing, Hydraulic Pressure-Reducing Regulators
(KHR Series)
The KHR series provides control for both liquid and gas applications. Metal or polymer seats are available.
Features
- Self-venting
- Captured vent port in bottom of body
- Panel-mounting configuration available
- Thrust roller bearing eases operation
- High-flow, dual-gauze type filter in inlet ports
High-Purity, High-Flow Gas Regulators
(HF Series)
The Swagelok® HF series manual gas pressure regulator features a load spring which interacts with a unique pressure-sensing assembly to precisely control outlet pressure. Outlet pressure is easily adjusted by turning the handle.
Features
- Compact, high-flow design allows close spacing of system components and process lines
- Innovative, pressure-sensing assembly with welded diaphragm results in low droop, which eliminates the need for adjustment in many systems
- 316L VIM-VAR stainless steel body for ultrahigh-purity applications
- 1/4 in. VCR® metal face seal; 1/4 in. tube butt weld; 1.5 in. and 1.125 in. modular surface-mount end connections
High-Sensitivity Diaphragm-Sensing, Pressure-Reducing Regulators
(KLF Series)
The KLF series provides high-sensitivity pressure control of gases or liquids with minimum droop in both low-flow and low-pressure applications.
Features
- Large-diameter convoluted, nonperforated diaphragm for increased pressure sensitivity
- Metal-to-metal diaphragm seal
- High-flow, dual-gauze type filter in inlet ports
High-Sensitivity, Spring-Loaded, Pressure-Reducing Regulators
(LRS[H]4 Series)
Features
- Diaphragm sensing
- Large diaphragm for higher accuracy
- Diaphragm materials
- Bottom mounting
- Low torque minimizes stem wear
- Nonventing
- Cartridge poppet assembly in LRSH4 for ease of service
Options
- Panel mounting - no disassembly required
- External feedback
- Filter, 25 µm
- NACE MR0175/ISO 15156-compliant models
- Self venting
- Special cleaning to ASTM G93 Level C
High-Sensitivity, Spring-Loaded, Pressure-Reducing Regulators
(LPRS4, LPRS6, and LPRS8 Series)
Features
- Balanced poppet design
- Diaphragm sensing
- Large diaphragm for higher accuracy
- Suction tube for reduced droop
- Ideal as second-stage regulator
Options
- Anti-tamper
- NACE MR0175/ISO 15156-compliant models
- Special cleaning to ASTM G93 Level C
- Gauge connections-choice of 4 configurations
High-Sensitivity, Spring-Loaded, Pressure-Reducing Regulators
(LPRS10 and LPRS15 Series)
Features
- Balanced poppet design
- Diaphragm sensing
- High flow and high accuracy
- Suction tube for reduced droop
- Ideal as second-stage regulator
Options
- NACE MR0175/ISO 15156-compliant models
- Special cleaning to ASTM G93 Level C
Medium- to High-Pressure Piston-Sensing, Pressure-Reducing Regulators
(KPP Series)
The KPP series meets the demands of a wide range of gas or liquid applications in a lightweight, compact installation footprint. These features make the KPP pressure regulator an ideal pressure control solution within high-density OEM equipment.
Features
- Lightweight, compact design
- Live-loaded body seals
- Low internal volume
- High-flow, dual-gauze type filter in inlet ports
CAD Files and Sales Drawings
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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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