Contact us

Midland Acs Model 3550 - Stainless Steel Gas & Liquid Pressure Regulators

Download Specification

Model Number: 3550

Contact to order Prices

These high-quality MIDLAND ACS MODEL 3550 Stainless Steel pressure regulators are suitable for the pressure control of gases, air, sweet and sour gases and compatible liquids. With a rolling diaphragm for precise control and high flow characteristics the 3550 and 3500 series accept a 20bar inlet pressure, with a wide choice of spring outlet ranges.

  • 316 Stainless steel throughout
  • Large flow characteristics
  • Rolling diaphragm design
  • High relief flow
  • Precision adjustment
  • Integral mounting holes
  • Port sizes available 1/4", 1/2", 3/4" NPT (BSP option available)
  • Low temperature version available (-50 to +80 degC)
2PRNSV021A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-2.0 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" BSP.
Relief Function: Non-relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£286.03 (ex VAT)

£343.24 (inc VAT)

Call to order Contact to order
2PRNSV022A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-2 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" NPT.
Relief Function: Non-relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£251.99 (ex VAT)

£302.39 (inc VAT)

Call to order Contact to order
2PRNSV041A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 4 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" BSP.
Relief Function: Non-relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£284.11 (ex VAT)

£340.93 (inc VAT)

Call to order Contact to order
2PRNSV042A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 4 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" NPT.
Relief Function: Non-relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£251.99 (ex VAT)

£302.39 (inc VAT)

In stock
Only 1 in stock
2-3 Days
2PRNSV081A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 8 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" BSP.
Relief Function: Non-relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£286.03 (ex VAT)

£343.24 (inc VAT)

Call to order Contact to order
2PRNSV082A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 8 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" NPT.
Relief Function: Non-relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£251.99 (ex VAT)

£302.39 (inc VAT)

Call to order Contact to order
2PRNSV122A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-12 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" NPT.
Relief Function: Non-relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481 101990
Country of Origin: United Kingdom
Net Weight: 1.65kg

£251.99 (ex VAT)

£302.39 (inc VAT)

Call to order Contact to order
2PRVSF022A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-2 bar.
Material: 316 Stainless steel body, EPDM seals.
Port Size: 1/4" NPT.
Relief Function: Self relieving.
Media & Ambient Temp Range: -50 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£271.94 (ex VAT)

£326.33 (inc VAT)

Call to order Contact to order
2PRVSF122A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 12 bar.
Material: 316 Stainless steel body, EPDM seals.
Port Size: 1/4" NPT.
Relief Function: Self relieving.
Media & Ambient Temp Range: -50 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£271.94 (ex VAT)

£326.33 (inc VAT)

Call to order Contact to order
2PRVSV021A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-2 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" BSP.
Relief Function: Self relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£286.03 (ex VAT)

£343.24 (inc VAT)

Call to order Contact to order
2PRVSV022A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 2 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" NPT.
Relief Function: Self relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£251.99 (ex VAT)

£302.39 (inc VAT)

Call to order Contact to order
2PRVSV042A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 4 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" NPT.
Relief Function: Self relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£251.99 (ex VAT)

£302.39 (inc VAT)

In stock
Only 1 in stock
2-3 Days
2PRVSV081A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 8 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" BSP.
Relief Function: Self relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£277.19 (ex VAT)

£332.63 (inc VAT)

Call to order Contact to order
2PRVSV082A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 8 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" NPT.
Relief Function: Self relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£251.99 (ex VAT)

£302.39 (inc VAT)

In stock
2-3 Days
2PRVSV121A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-12 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" BSP.
Relief Function: Self relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£286.03 (ex VAT)

£343.24 (inc VAT)

Call to order Contact to order
2PRVSV122A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-12 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" NPT.
Relief Function: Self relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£251.99 (ex VAT)

£302.39 (inc VAT)

In stock
2-3 Days
2PRVSV122AX
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 12 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/4" NPT.
Relief Function: Self relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 2.4
Available Option: 1/4" NPT Gauge Port.

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.65kg

£276.54 (ex VAT)

£331.85 (inc VAT)

Call to order Contact to order
4PRNSV042A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-4 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/2" NPT.
Relief Function: Non-relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 4.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.70kg

£365.95 (ex VAT)

£439.14 (inc VAT)

Call to order Contact to order
4PRNSV082A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-8 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/2" NPT.
Relief Function: Non-relieving
Media & Ambient Temp Range: -20 to +80 degC
CV: 4.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.70kg

£365.95 (ex VAT)

£439.14 (inc VAT)

In stock
Only 1 in stock
2-3 Days
4PRNSV122A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-12bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/2" NPT.
Relief Function: Non-relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 4.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.70kg

£365.95 (ex VAT)

£439.14 (inc VAT)

In stock
1-2 Days
4PRVSV022A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 2 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/2" NPT.
Relief Function: Self relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 4.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.70kg

£365.95 (ex VAT)

£439.14 (inc VAT)

Call to order Contact to order
4PRVSV082A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-8 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/2" NPT.
Relief Function: Self relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 4.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.70kg

£365.95 (ex VAT)

£439.14 (inc VAT)

In stock
2-3 Days
4PRVSV121A-SPEC
Max Inlet Pressure: 20bar, Outlet Pressure: 0.5 - 12bar, Self Relieving, Viton Seals, Cv: 4.4

HS Code: 8481 1019

£402.55 (ex VAT)

£483.06 (inc VAT)

Call to order Contact to order
4PRVSV122A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5-12 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 1/2" NPT.
Relief Function: Self relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 4.4

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.70kg

£365.95 (ex VAT)

£439.14 (inc VAT)

In stock
2-3 Days
6PRNSV082A
Midland 3550 Series Pressure Regulator.
Maximum Supply Pressure: 20 bar.
Output Pressure Range: 0.5 - 8 bar.
Material: 316 Stainless steel body, Fluoroelastomer seals.
Port Size: 3/4" NPT.
Relief Function: Non-relieving.
Media & Ambient Temp Range: -20 to +80 degC
CV: 5.0

HS Code: 8481.10.19.90
Country of Origin: United Kingdom
Net Weight: 1.80kg

£443.63 (ex VAT)

£532.36 (inc VAT)

Call to order Contact to order

Not sure which product you need?

Contact our technical sales advisors here.

Need a bespoke part?

Our team of engineers are fully equipped to provide bespoke system design and manufacture.

This process involves specifying, procuring, calibrating and maintaining instrumentation and control systems for industrial and commercial process control applications.

Call our technical sales team for advice

+44 (0) 151 343 9966
sales@finecontrols.com
helpdesk technician

Latest news

View all news
unnamed_3 890x400w

Ask the Expert

How to choose the right process control valve and why it is important.
unnamed_11 890x400w

General News

Accurate Control Solutions for the Chemical Dosing industry.
fine_control 890x400w

General News

The role of flowmeters in the pharmaceutical industry
industry_4 0 890x400w

General News

Industry 4.0 and future AI developments for the process industry.

This site uses cookies to monitor site performance and provide a more responsive and personalised experience. You must agree to our use of certain cookies. For more information on how we use and manage cookies, please read our Privacy Policy.

Close Accept all & close