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Components for central heating systems
Diaphragm safety relief valves
Diaphragm safety relief valve. F-F connections.
527
Diaphragm safety relief valve. F-F connections.
Description:
Diaphragm safety relief valve. F-F connections.
Discharge overpressure: 10%.
Closing differential: 20%.
PN 10.
Working temperature range: 5–110°C.
Factory set: 2,25 - 2,5 - 2,7 - 3 - 3,5 - 4 - 4,5 - 5 - 5,4 - 6 bar.


International approvals:

Istituto Superiore Prevenzione e Sicurezza LavoroConformità alla direttiva 97/23/CE (PED)
Articles:
codeconnectionsset P (bar)packpackage
5274221/2" x 3/4"2,25125
5274251/2" x 3/4"2,5125
5274271/2" x 3/4"2,7125
5274301/2" x 3/4"3125
5274351/2" x 3/4"3,5125
5274401/2" x 3/4"4125
5274451/2" x 3/4"4,5125
5274501/2" x 3/4"5125
5274541/2" x 3/4"5,4125
5274601/2" x 3/4"6125
5275223/4" x 1"2,25120
5275253/4" x 1"2,5120
5275273/4" x 1"2,7120
5275303/4" x 1"3120
5275353/4" x 1"3,5120
5275403/4" x 1"4120
5275453/4" x 1"4,5120
5275503/4" x 1"5120
5275543/4" x 1"5,4120
5275603/4" x 1"6120
5276221" x 1 1/4"2,2515
5276251" x 1 1/4"2,515
5276271" x 1 1/4"2,715
5276301" x 1 1/4"315
5276351" x 1 1/4"3,515
5276401" x 1 1/4"415
5276451" x 1 1/4"4,515
5276501" x 1 1/4"515
5276541" x 1 1/4"5,415
5276601" x 1 1/4"615
5277221 1/4" x 1 1/2"2,2515
5277251 1/4" x 1 1/2"2,515
5277271 1/4" x 1 1/2"2,715
5277301 1/4" x 1 1/2"315
5277351 1/4" x 1 1/2"3,515
5277401 1/4" x 1 1/2"415
5277451 1/4" x 1 1/2"4,515
5277501 1/4" x 1 1/2"515
5277541 1/4" x 1 1/2"5,415
5277601 1/4" x 1 1/2"615

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Components for central heating systems Air separation and venting devices Valves and accessories for radiators Distribution manifolds, zone valves, boxes and accessories Underfloor heating system control Plumbing components Backflow prevention devices Automatic flow regulators and balancing valves Fittings Gas safety Expansion vessels, actuated mixing valves, thermostats
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