3550 SZ Series Filter Regulators

3550 SZ 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 -50ºC to +90ºC (-58ºF to +194ºF)	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) 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 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 • Fluorosilicone and 316 Stainless steel
Adjustment spring • 316 Stainless steel	Seals • Fluorosilicone

Additional Resources

CAD Downloads

PDF Downloads

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