Model D

Description

One of the most versatile regulators on the market, the Model D can be used for steam, air, water, chemicals and more. Some of the most used applications include steam, air, ink, O2 (ambient), O2 (cryogenic), and NACE service. 

Inlet Design Pressure

• Up to 740 psig (51 Barg)

Outlet Pressure

• Standard: 2-150 psig (0.14 - 10.3 Barg)
  in four range springs. 
• Opt-80: 100-250 psi (6.9-17.2 Bar)
  spring range. Bronze spring chamber
  material only.
• Opt-20: Dome loaded - up to 210 psi
  (14.5 Bar).

Line Sizes

• 3/8" (DN10)
• 1/2" (DN15)
• 3/4" (DN20)
• 1" (DN25)

See the Model DL for larger sizes.

End Connections

• NPT: Female Pipe Threads
• Flanged: Steel and stainless steel body materials only. Mates with ASME 150, ASME 300, or PN40 flanged end
  connections. 14” (356 mm) face to face dimension only. Not available in 3/8” (DN10) line size.
• Opt-31: BSPT - Taper Thread.
• Opt-31P: BSPP - Parallel Thread. Not
  available in 1" (DN25) size.
• Opt-32: Extended Pipe Nipples.

Material Combinations: Body / Spring Chamber

• DI/DI
• BRZ/DI
• BRZ/BRZ
• CS/DI
• CS/CS
• SST/DI
• SST/CS
• SST/SST
• BRZ/BRZ (Opt-80)
• CS/BRZ (Opt-80)
• DI/BRZ (Opt-80)
• SST/BRZ (Opt-80)

DI = Cast Ductile Iron ASTM A395 60-40-18
CS = Cast Carbon Steel ASTM A216 WCB or ASTM A352 LCC
SST = Cast Stainless Steel ASTM A351 CF8M
BRZ = Cast Bronze ASTM B62 C83600

Features

• Configurations: Available in four different product configurations – general, dome loaded
  (Opt.-20), cryogenic service, food and pharmaceutical (Opt. -37).
• Versatile: Four body materials and thirty-one trim material combinations to select from.
• Tight Shutoff: Composition seats of PTFE, NBR, EPR, or FKM.
• Capacity: Handles mid-range flow rates on a line size basis.
• Pressure Drop: Handles mid-range pressure drops while maintaining good stability. Optional piston stabilizer provides up to 350 psid (24.1 Bard) capability for gaseous service.
• Flow-to-Close Plug: Incorporates the typical reducing regulator internal design. Plug is guided through its travel by the cylinder.
• Overpressure Travel Stop: In the event of downstream overpressurization, diaphragm over-travel is restricted by mechanical stops.