Parker Veriflo Pressure Regulators
NPR4100
The NPR4100 Series regulator offers negative delivery pressures with the use of low pressure gas sources. This regulator is specifically designed to regulate negative pressures down to -26 in. Hg vacuum (100 Torr). |
IR4000 Series
The IR4000 Series regulator offers high pressure capability with an inlet pressure up to 4,000 psig. The large convoluted Hastelloy C-22® diaphragm provides stable pressure control over the operational range of the regulator. |
HFR900
The HFR900 Series regulator is designed and engineered for high flow rate applications requiring a compact pressure regulator for control. The HFR900 Series regulator can be used with corrosive and noncorrosive gases and meets most high flow requirements with less than 500 psig supply pressure. |
HF1200
The HF1200 and HFT1200 regulators offer high flow capability with an inlet pressure up to 1,250 psig. The large convoluted Hastelloy C-22® diaphragm provides stable pressure control over the operational range of the regulator. |
IR5000
The IR5000 Series regulator offers high pressure capability with an inlet pressure up to 3,500 psig. The larger convoluted Hastelloy C-22® diaphragm provides greater sensitivity over the operational range making this regulator ideal for precise outlet pressure control. 
Stainless Steel FRLs Air Preparation Units
Parker Stainless Steel FRL range of “PR/PB/PF” series Pneumatic Regulators, Lubricators Filters and Filter regulators for air (relieving) and gas (non-relieving). Sizes ¼” & ½” with NPT and BSP threaded connection options. Ideal for Food, Pharma, Power Gen, Transport and Petrochemical Industries. |
IR6000 Series
The IR6000 Series regulator offers high pressure capability with an inlet pressure up to 4,000 psig. The large convoluted Hastelloy C-22® diaphragm provides stable pressure control over the operational range of the regulator. 
Pressure Regulator Selection Guide
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APR66
The APR66 Series is a high pressure reducing, single-stage regulator designed to operate at inlet pressures up to 6000 psig. The APR66 offers a full range of pressure sensing without time consuming spring and piston change outs. |
959 Series
The 959 Series Regulator is a high pressure, tied diaphragm regulator. It provides shut off of corrosive or hazardous gases if a leak across the seat occurs. The added unique compression member loading eliminates threads in the wetted area, thus reducing particle entrapment. |
