PGR-1 Pilot Operated Pressure Reducing Regulator Pressure Loaded Diaphragm
PGR-1 is high performance, pressure loaded diaphragm type, flow-to-open pressure reducing regulator. Design includes an internal pressure balancing piston-cylinder that provides high flow capacity.
The internal trim design allows the same basic unit to cover a broad range of pressure settings. Performance meets or exceeds that of competitive pressure loaded or pilot-operated designs.
The PGR-1 regulator is applied primarily in clean natural gaseous service and fuel gas – sweet or sour.
Highest capacity in the industry. Allows smaller body sizes than competitors in majority of applications.
Highly accurate outlet pressure control, due to absence of range spring in main valve design, provides almost zero “droop effect”. FTO – pressure balanced trim results in unmatched sensitivity and stability.
Internals are cage-contained within easily removable quick change trim. Heavy-Duty guiding both top and bottom guided to maintain stability and increased diaphragm life.
Fails closed on loss of loading pressure. Fails open on loss of P1 or P2 pressures with loading pressure yet applied.
Spring Chambers on the pilot and the stabilizer include FNPT connection for remote venting of hazardous or explosive gaseous service.
Sizes: 1″ – 4″ (DN25 – 100)
- Specifications
- Technical Data
- Advantages
- Industries
- Applications
- Contact
Specifications
Operating Parameters:
- Flows to 565 m³/h (2500 gpm)
- Heads to 110 m (350 ft)
- Pressures to 17 bar (250 psi)
- Temperatures from -30°C (-20°F) to 90°C (200°F)
Shaft Metallurgy Options:
- 316 SS
- Alloy 20
- Hastelloy
- Titanium
Features:
- Full basket strainer
- NEMA in-line motor
- Fiberglass mounting plate
- Tapered “Polygon” impeller drive
- “Pull-out” bearing retainers
- Level controls
Options:
- Simplex and duplex pit covers
- Float switches
- Particulate separators
- Non-metallic lubrication lines
- Tailpipe
Technical Data
- Engineered Polymer Composite Construction offers cost-effective corrosion-resistance, is lightweight, non-galling, non-sparking, and non-conductive.
- Unitized Case with Integrally Molded Flanges at the suction and discharge nozzles, fully gusseted for structural soundness.
- Externally Adjustable, Semi-Open Impeller provides consistently high efficiencies and minimizes maintenance.
- Shaft/Bearing System operates below the first critical speed for less shaft whip and longer bearing life.
- Bearings can be lubricated by external flush or self-lubricated by the pump fluid.
- Single-Piece Column is lightweight, filament-wound, reinforced fiberglass composite for strength and rigidity.
Advantages
- Lightweight and corrosion-resistant due to engineered polymer composite construction.
- High efficiency and minimal maintenance with externally adjustable impeller.
- Long bearing life with low shaft whip and flexible lubrication options.
- Robust construction with unitized case and reinforced single-piece column.
Industries
- Leaching Acid
- Chemical and Liquor
- Caustic and Chlor-Alkali
- Bleach Chemicals
- Auxiliary
- Acid Transfer
- OEM
- Water Treatment
- Water Supply and Distribution
- Wastewater Collection and Treatment
- Polymers
- Plating, Galvanizing and Other Coatings
- Pharmaceuticals
- Automotive and Aircraft
Applications
- Corrosive Services
- General Purpose
- Water Treatment
- Pulp and Paper
- Chemical Processing
- Utility
- Metal and Steel Industry
- Pollution Control
- Plating
Contact our Pump Specialist Team
- Phil Soltan (External) – mob: 086 185 3782
- Adrian McSweeney – tel: 021 461 7212
- Paul-Fox Morris – tel: 021 461 7231
- Una Long (Pump & Service Support) – tel: 021 431 7200
- Tel: 021 461 7200
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