4500 SZ Series Flow Regulators

4500 SZ Series
Flow Regulators

General Description

Uni-directional
316 Stainless Steel or Brass in-line flow regulators for uni-directional operation (free flow return).

Bi-directional
316 Stainless Steel or Brass in-line flow regulators for bi-directional operation (separate flow control in each direction).

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases.
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

Uni-directional
• 1/4"    1000 (35)    - 1.0 (15.5)
• 3/8"    1680 (59)    - 1.7 (26.0)
• 1/2"    2520 (89)    - 2.5 (39.0)
• 3/4"    5428 (192) - 5.4 (84.0)
• 1"       9820 (347)   - 9.8 (152)

Bi-directional
• 1/4"      620 (22)    - 0.6 ( 9.6)
• 3/8"    1290 (45)    - 1.3 (20.0)
• 1/2"    2000 (71)    - 2.0 (31.0)

Maximum flow
at 6 bar (87 psi), 1 bar (14.5 psi) differential
• 3/2 valves - 480 L/min (17 SCFM)
• 5/2 valves - 680 L/min (24 SCFM)

Working pressure (gases)
• 12 bar (174 psi)

Working temperature
• -50ºC to +90ºC (-58ºF to +194ºF)

Construction Materials

Body • Stainless steel AISI 316L to NACE MR-0175	Seals • EPDM
Spring • 316 Stainless steel	Internal parts • Stainless steel AISI 316L to NACE MR-0175

Additional Resources

CAD Downloads

PDF Downloads

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