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7 Technical data and pressure drop characteristics
16
99473903xNA – V02
2011/11
7
Technical data and pressure drop characteristics
K33 - 1"
Dimensions
Width insulation (1)
~9.8" (250 mm)
Center distance (2)
~4.9" (125 mm)
Height insulation (3)
~18.2" (462 mm)
Mounting length (4)
~15" (382 mm)
Connections
Upper connections (A-1, A-2)
2" female, flat sealing
Lower connections (D-1, C-1)
1¼" female NPT
Technical Data
Maximum pressure
87 psi (6 bar)
Maximum temperature
230 °F (110 °C)
Opening temperature
Zone modules 4739035
122 °F (50 °C)
Zone modules 4739036
131 °F (55 °C)
Zone modules 4739037
140 °F (60 °C)
CV value
28.3
Opening pressure flow check valve (D-1)
7.9 inch head
Materials
Valves and fittings
Brass
Gaskets
EPDM / NBR
Insulation
EPP