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  3500 Series Filter Regulators
3550 Series Filter Regulators
3550 Series
Filter Regulators
General Description
A 316 stainless steel combination unit for filtration and pressure regulation of compressed air for the offshore, food, pharmaceutical and allied industries.

316 Stainless steel throughout. Large flow paths minimise pressure drop. Rolling diaphragm design.

Precision adjustment.

Filter Unit


Large 40 micron standard element with manual or automatic drain for the removal of liquids and solids.
(5 micron element 3/4 - 1")

 

Operating Fluids

Gases, air, inert gas, sweet (natural) and sour gases.

Ingress protection Heavy seas / on deck rating,
Non relieving Self relieving

Technical Data

Working Temperature
• Ambient temperature
   -20ºC to +80ºC (-4ºF to +176ºF)
• Low temperature version
   -50ºC ( -58ºF)
Contact Customer Services for details

Ports
• 1/4", 1/2", 3/4" and 1" NPT and BSP

Flow capacity
10bar (145 psi) inlet pressure, 6 bar (87psi) secondary pressure with 1bar (14.5 psi) pressure drop
   1/4" - 62 dmÒ/sec (130 SCFM)
   1/2" - 100 dmÒ/sec (212 SCFM)

Cv (Kv)
• 1/4" - 2.4 (34.0)   3/8" - 3.3 (47.0)
• 1/2" - 4.4 (63.0)   3/4" - 5.0 (71.0)
• 3/4" - 10.0 (145) High Flow version
• 1" - 15.0 (217) High Flow version

Max Inlet Pressure
• Manual drain - 20 bar (290 psi)
• Automatic drain - 17 bar (247 psi)

Regulated pressure
• 0.50 to 2 bar (7.2 to 29 psi)
• 0.50 to 4 bar (7.2 to 58 psi)
• 0.50 to 8 bar (7.2 to 116 psi)
• 0.50 to 12 bar (7.2 to 174 psi)

Drain Types
• Manual or Automatic

Gauge ports
1/8" NPT
(1/4" NPT and BSP options available)

Relief /vent port
1/8"NPT (Fitted with bug screen)

Construction Materials
Bod /Bonne /Bowl and Internals 
• Stainless Steel AISI 316L to NACE MR-01-75
Element 
• 40 micron 316 Stainless steel (5 micron option)
Valve spring
• Inconel X750
Diaphragm and valve assembly 
• Fluoroelastomer and 316 Stainless
Steel
Adjustment spring
• 316 Stainless steel

Auto drain
• Acetal resin, stainless
Steel and Buna N
Seals
• Fluoroelastomer
 
Additional Resources

CAD Downloads

PDF Downloads

Literature Order Form

Contact Midland-ACS





 
 
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