Gresswell Stainless Steel Safety Relief Valve 1" x 1½" 0.4 Bar Model 21223-0.004

Genuine Gresswell industrial safety relief valve, designed to protect compatible pressurised systems from excessive pressure. The valve is labelled with a factory set pressure of 0.4 bar and has a 1-inch inlet / 1½-inch outlet nominal size.

The valve retains its green security label and protective end cap, as shown in the photographs.

Technical Specifications

• Manufacturer: Gresswell Valves

• Model number: 21223-0.004-1

• Serial number: 24/2780

• Sales order number: 50053805

• Set pressure: 0.4 bar

• Spring range: 0.3–0.6 bar

• Nominal connection size: 1" × 1½"

• Temperature range shown on label: 10°C to 220°C

• Flow area: 415.5 mm²

• Minimum lift information: 2.6 mm at 100%, as marked on the label

Condition

Appears unused, with the manufacturer's security label and protective end cap still present. There may be minor cosmetic marks from storage and handling.

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