N.C. Normally Closed bidirectional. With the flow coming from below the plug you avoid water hammering.


With the flow from below the plug


CODE AISI 316 CLAMP Bore mm. KV m3/H ø Control head P control bar P operating Weight Kg. AISI 316
Min Max ΔP max. bar
J4SPG16U4 1/2" 9,5(*) 3,4 50 4 10 16 1
J4SPG16U5 3/4" 15 5,7 50 4 10 16 1,1
J4SPG16U6 1" 20 10,5 50 4 10 10 1,2
J4SPG18U6 1" 20 10,5 63 4 10 16 1,4
J4SPG21U8 11/2" 32 29 90 4 8 14 3
J4SPG23U8 11/2" 32 29,5 110 4 8 16 3,3
J4SPG21U9 2" 40 46 90 4 8 11 3,4
J4SPG23U9 2" 40 46,5 110 4 8 16 4

(*) The valve bore is 15 mm, reduction to 9,5 mm is due to clamp bore



With the flow from above the plug see diagrams below

pag_clamp1ing.gif

Diagram 1
Head ø50

pag_clamp2ing2.gif

Diagram 2
Head ø63

pag_67

Diagram 3
Head ø90

pag_70

Diagram 4
Head ø110


In the diagrams, the dash lines indicate versions available on request

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Reg. Imp. BS N. 1661640175 - R.E.A. BS N. 258271 - Cod. Mecc. BS006939 - Capitale sociale € 500.000 i.v.