Approved diaphragm safety relief valve for closed heating installations in accordance with DIN EN 12828, with pressure gauge 1/4”, 0 - 4 bar, glycol resistant up to 50 % mixing ratio.
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Normal type diaphragm safety valve. Brass CW617N body. Plastic manual discharge knob. Ni-Cr steel spring. Diaphragm and seals of rubber resistant to 140°C. Female connections with reinforced outlet.

According to Directive PED 97/23/CE. Identification number CE1115.

Models DN 15, 20, 25, 32 with setting pressure 2.5, 3.0, 4.0, 6.0, 8.0, and 10.0 bar are according to TRD721, VdT V  Merkblatt Sicherheitsventil 100 

Type Part no. WII Part no. WID Size Bar
SVM 0215725 10004647 1/2"х3/4" 2.5
SVM 0215730 10004648 1/2"х3/4" 3.0

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