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S&RType 440

Safety / Relief Valve · Industrial Valves

Class-certified type (DNV register) · technical data sheet not yet verified

Flanged safety valve for water heating systems up to 120 °C according to DIN 4751 part 2

Specifications

Technical data.from datasheet

Every value below comes from the manufacturer datasheet or class-society record on file for this model.

CertificationsTRD 721🔖
Set pressure (according to CE)1 - 10 bar | 14.5 - 145 psig
Temperature (according to CE)up to 120 °C | up to 248 °F
Connections DIN EN 1092DN 20 - DN 150 | NPS 3/4 - NPS 6
Flange class DIN EN 1092PN 16
Body material0.7043, 1.0619 | gray cast iron, Gr. 60-40-18
Narrowest flow diameter d₀18 - 125 mm | 0.71 - 4.92 in
Narrowest flow area A₀254 - 12272 mm² | 0.27 - 19.02 in²
Bellows materialEPDM
pdf_DIN EN nach/accto DIN PN
pdf_Application rangepage 2/30-33
pdf_Werkstoffbezeichnung Werkstoff-NrEintritt Austritt bar/bar g
pdf_Ansprechdruck angebenset pressure and if necessary, accessories.
pdf_Material Designation Material Noto 15/13 20/17,5
📄
Download datasheet (PDF) (542 KB)
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