D-3/4"-4-DI/DI/B2/30-80psi

In stock
Article number
530-136-1343
List price: EUR 1,280

The Model D is primary a general service, self-contained, pressure reducing regulator. One of the most versatile regulators on the market, this Model D is excellent for atmospheric industrial gases – GN2, Ar, He, H2, CO2 – as well as natural gas. 

Also pressure reducing applications where the temperature is greater -29 Deg C.  Can be used as a utilities air regulator. Also for use in corrosive and non-corrosive chemical gas services are possible depeding on material compatibility.

This unit handles inlet pressures up to 51 Barg and outlet pressure is adjustable from 30-80 psig (2.1-5.5 Barg). 

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More Information
Product Name D-3/4"-4-DI/DI/B2/30-80psi
Country of Manufacture United States
Service Gas
Size [DN] DN20
Set pressure range [Bar] 2.1-5.5 bar
Material Body Cast Ductile Iron ASTM A395 60-40-18
Spring Chamber Material Cast Ductile Iron ASTM A395-60-40-18
Temperature range [°C] -29 to +93
Model D
Valve Type Pressure Reducing Regulator
Size [Inch] 3/4"
Seat Soft Seat
Seat Material Buna-N (NBR)
Sealing Material PTFE
Diaphragm Type Composition
Diaphragm Material Neoprene (BC)
Trim Number B2
Trim Material Brass
Connection NPT
Max pressure 51 Bar
Max Temperature [°C] +93
Min Temperature [°C] -29
Max Differential Pressure [Bar] 24.2
Leakage Class ANSI /FCI 70-2 Class VI
Kvs [m3/h] 3.2
Cv [gpm] 3.7
Face to Face [mm] 121
Configuration Spring Operated
O2 Cleaned Yes
Application Liquid (Hot water)
Certificate On Request - ATEX II 2 G Ex h IIB T6...T1 Gb 1000ATEXR1 X
Process media Oil, Industrial wastewater, Drinking water (potable water), Chemicals
MODEL D REV D PRESSURE REDUCING REGULATOR FOR GENERAL SERVICE; DN20 (3/4") LINE SIZE; DUCTILE IRON BODY AND SPRING CHAMBER; B2 TRIM: BRASS WITH BUNA-N (NBR) SEAT AND NEOPRENE (BC) DIAPHRAGM; NPT THREADED END CONNECTIONS; 2.1-5.5 BAR (30-80 Psig) RANGE SPRING; OPT-4: PISTON STABILIZER FOR GASEOUS SERVICE; POLYETHYLENE VENTED SPRING CHAMBER PLUG
More Information
Length [mm] 171
Height [mm] 214
Width [mm] 171
Net Weight [kg] 6.0
Statistics code 84811019