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4403W-S4

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The 4403 series regulators provide very sensitive control of a variety of gases at low pressures. The large molded diaphragm assures responsive regulation with inlet pressures up to 250 psig.

Markets
Applications
Adjustment Range (mbar) 0.07 to 0.34
Adjustment Range (PSIG) 1 to 5
Factory Delivery Pressure (imperial) 5 PSIG @ 50 PSIG Inlet
Factory Delivery Pressure (metric) 0.34 BARG @ 3.4 BARG Inlet
Height [Closed] (in.) 4.7
Height [Closed] (mm) 118.5
Inlet Connection (in.) 1/2"
Inlet Connection (mm) 12.7
Length (in.) 7-1/8"
Length (mm) 181
Maximum Allowable Working Pressure (BARG) 17
Maximum Allowable Working Pressure (PSIG) 250
Maximum Temperature Rating (°C) 74
Maximum Temperature Rating (°F) 165
Minimum Temperature Rating (°C) -40
Minimum Temperature Rating (°F) -40
Nominal Size (in.) 1/2"
Outlet Connection (in.) 1/2"
Outlet Connection (mm) 12.7
Pressure Relief Valve Setting (BARG) None
Pressure Relief Valve Setting (PSIG) None
Connection Type F. NPT x F. NPT
Inlet Connection (DN) 15
Material Details {'Body & Bonnet':'Zinc', 'Diaphragm': 'T4403J,4403W, S4, T4, U4 Teflon Faced Buna N': '4403WP4, R4': 'Buna N', 'Nozzle (T4403J)':'Stainless Steel', 'LV4403C':'Integrated Fabric and Synthetic Rubber','Spring': 'Steel', 'Seat (T4403J)': 'PTFE','(4403W) (LV4403C)': 'Buna N', '(4403W, LV4403C)', 'Brass'}
Nominal Size (DN) 15
Outlet Connection (DN) 15
1494-1
1/2" M. NPT x 1/2" F. NPT Pressure Gauge Adapter
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