D-3/4"-4-31-BRZ/DI/B5/70-150psi, BSP thread

EUR 2,540
In stock
Article number
530-234-1354

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. 

Comes with BSP threaded End connections and Ductile Iron spring Chamber

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 70-150 psig (4.8-10.3 Barg).

Comes with various options to choose from, Locking lever, Special cleaning for Non-oxygen Service, Gauge ports, Atex and PED Certificates"               

Do you have questions? Contact us >>
Add product to comparison list >>
More Information
Product Name D-3/4"-4-31-BRZ/DI/B5/70-150psi, BSP thread
Country of Manufacture United States
Service Gas
Size [DN] DN20
Set pressure range [Bar] 4.8-10.34 bar
Material body Cast Bronze ASTM B62 C83600
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 PTFE
Sealing PTFE
Diaphragm Type Metal
Diaphragm Material Phosphor Bronze
Trim no B5
Trim Material Brass
Connection BSPT
Max pressure 51 Bar
Max Temperature [°C] +93
Min Temperature [°C] -198
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
Operation Method Spring Operated
O2 Cleaned Yes
Application For air and similar gases
Certificate On Request - ATEX II 2 G Ex h IIB T6...T1 Gb 1000ATEXR1 X
Length [mm] 171
Height [mm] 244
Width [mm] 171
Net Weight [kg] 6.9
Statistics code 84811019
Applications Combustible gases, Inert gases

MODEL D REV D

PRESSURE REDUCING REGULATOR FOR GENERAL SERVICE;

DN20 (3/4") LINE SIZE;

BRONZE BODY WITH DUCTILE IRON SPRING CHAMBER;

B5 TRIM: BRASS WITH PTFE SEAT AND PHOSPHOR BRONZE DIAPHRAGM;

OPT-31: BRITISH STANDARD PIPE TAPER THREADED END CONNECTIONS;

4.8-10.3 BAR (70-150 Psig) RANGE SPRING;

OPT-4: PISTON STABILIZER FOR GASEOUS SERVICE;

POLYETHYLENE VENTED SPRING CHAMBER PLUG

  • Excellent for atmospheric industrial gases:
  • Nitrogen (GN2), oxygen (GOX), Argon (Ar), helium (He), Hydrogen (H2), Carbon Dioxide(CO2), also for use with Natural gas, Biogas, Propane and LPG systems.
  • Corrosive and non-corrosive chemical gas services are possible with broad materials range.
  • Utilities main air pressure reducing regulator.
  • Industrial Gasses Customer Supply Regulator.
  • HVAC Expansion Valve

Not all of these applications are suitable for all product variants. Consult with one of our technical specialists to ensure that the selected variant is suitable for your application.