Supplier Belgas P289 Relief Valve/Back Pressure Regulator
WWW.DISTRIBUTORALATINDUSTRI.COM | The BelGAS P289 back pressure regulator functions as a high flow relief valve with an adjustable setpoint. It can be used in place of a standard relief valve to provide protection against over-pressurization in the downstream system. With its large diaphragm area and integral pitot tube booster, the P289 is designed for quick and smooth response to excessive pressure relief requirements, particularly within low-pressure settings. Optional regulator rebuild kits are also available.
Supplier Belgas P289 Relief Valve/Back Pressure Regulator
Features:
- Throttling Type Relief
- Compact
- Tight Shutoff
- High Flow Rates
- Reliability Due to Simplicity
Applications:
- Higher Pressure Applications
- Fuel Gas Relief
- Gas Gathering Relief
| Parameter | Specification |
|---|
| Model | P289 |
| Series | Type 289 Series |
| Body Sizes | 3/4″ × 2″ NPT, 1″ × 2″ NPT, 2″ × 2″ NPT |
| Rebuild Kits | Yes |
| Spring Range (1″) | 1–4.5 PSIG (0.07–0.3 bar) 4–15 PSIG (0.3–1.0 bar) 10–20 PSIG (0.69–1.4 bar) 15–50 PSIG (1.0–3.4 bar) 45–75 PSIG (3.1–5.2 bar) |
| Spring Range (2″) | 7–18″ W.C. (0.02–0.05 bar) 0.5–2.25 PSIG (0.04–0.16 bar) 1.75–7 PSIG (0.12–0.48 bar) 4–10 PSIG (0.28–0.7 bar) |
| Applications | Industrial, Commercial, Pressure Protection |
| Pilot Operated | No |
| Connection | NPT |
| Product Description | Type P289 Back Pressure Regulator |
| Temperature Range (1″) | -20°F to 150°F (-29°C to 66°C) with Nitrile and Neoprene 0°F to 300°F (-18°C to 149°C) with Fluoroelastomer |
| Temperature Range (2″) | -20°F to 150°F (-29°C to 66°C) with Nitrile and Neoprene Elastomers 0°F to 300°F (-18°C to 149°C) with Fluoroelastomer |
| Body Materials (1″) | Body: Aluminum Bonnet: Aluminum Diaphragm: Nitrile or Fluoroelastomer Gaskets: Neoprene O-rings: Nitrile or Fluoroelastomer O-ring Piston & Spacer: Aluminum Pitot Tube: Aluminum Spring: Zinc-Plated Steel Diaphragm Piston: Zinc-Plated Steel |
| Body Materials (2″) | Body: Cast Iron Bonnet: Aluminum Diaphragm: Nitrile or Fluoroelastomer Gaskets: Neoprene/Composite O-rings: Nitrile or Fluoroelastomer Seat Washer: Stainless Steel Pitot Tube: Brass or Stainless Steel Main Seat: Brass or Stainless Steel Spring: Zinc-Plated Steel Diaphragm Piston: Zinc-Plated Steel |
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