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MIDLAND ACS MODEL 3550 - STAINLESS STEEL GAS & LIQUID PRESSURE REGULATORS

Model Number: 3550

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)

Items held in stock are available for next day delivery if ordered by 2pm. Items not in stock will state expected delivery time for each individual part number.

Any products not availale for online purchase are generally on a 2-3 week delivery, please call our sales office on +44 (0) 800 328 8511 for price and delivery.

If you wish to return a product for repair, exchange or upgrade please call our sales office on +44 (0) 800 328 8511 to obtain a Returns Note Authorisation (RN) form and a member of staff will instruct you further.

Any products returned without an RN will not be processed.

Can't find the right part? We have 1000's more products in stock
Part Number
Part Number / Description
Price Ex. VAT
Reduced Price Ex. VAT
Total Inc. VAT
Quantity
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
Price: £271.94 (ex. vat)
Reduced Price: £217.55 (ex. vat)
Total Price: £261.06 (inc. vat)
£271.94 (ex. vat)
Reduced Price: £217.55
Total Price: £261.06 (inc. vat)
-+
Dispatched Within: 4-6 Weeks
Please select a Quantity
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
Price: - (ex. vat)
Reduced Price: - (ex. vat)
Total Price: - (inc. vat)
- (ex. vat)
Reduced Price: -
Total Price: - (inc. vat)
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
Price: £251.99 (ex. vat)
Reduced Price: £201.59 (ex. vat)
Total Price: £241.91 (inc. vat)
£251.99 (ex. vat)
Reduced Price: £201.59
Total Price: £241.91 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
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
Price: £251.99 (ex. vat)
Reduced Price: £201.59 (ex. vat)
Total Price: £241.91 (inc. vat)
£251.99 (ex. vat)
Reduced Price: £201.59
Total Price: £241.91 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
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
Price: £251.99 (ex. vat)
Reduced Price: £201.59 (ex. vat)
Total Price: £241.91 (inc. vat)
£251.99 (ex. vat)
Reduced Price: £201.59
Total Price: £241.91 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
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
Price: £365.95 (ex. vat)
Reduced Price: £292.76 (ex. vat)
Total Price: £351.31 (inc. vat)
£365.95 (ex. vat)
Reduced Price: £292.76
Total Price: £351.31 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
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
Price: £365.95 (ex. vat)
Reduced Price: £292.76 (ex. vat)
Total Price: £351.31 (inc. vat)
£365.95 (ex. vat)
Reduced Price: £292.76
Total Price: £351.31 (inc. vat)
-+
Next Day Delivery
Please select a Quantity
Can't find the right part? We have 1000's more products in stock
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
Price: £365.95 (ex. vat)
Reduced Price: £292.76 (ex. vat)
Total Price: £351.31 (inc. vat)
£365.95 (ex. vat)
Reduced Price: £292.76
Total Price: £351.31 (inc. vat)
-+
Next Day Delivery
Please select a Quantity
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
Price: £365.95 (ex. vat)
Reduced Price: £292.76 (ex. vat)
Total Price: £351.31 (inc. vat)
£365.95 (ex. vat)
Reduced Price: £292.76
Total Price: £351.31 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
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
Price: £365.95 (ex. vat)
Reduced Price: £292.76 (ex. vat)
Total Price: £351.31 (inc. vat)
£365.95 (ex. vat)
Reduced Price: £292.76
Total Price: £351.31 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
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
Price: £251.99 (ex. vat)
Reduced Price: £201.59 (ex. vat)
Total Price: £241.91 (inc. vat)
£251.99 (ex. vat)
Reduced Price: £201.59
Total Price: £241.91 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
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
Price: £286.03 (ex. vat)
Reduced Price: £228.82 (ex. vat)
Total Price: £274.59 (inc. vat)
£286.03 (ex. vat)
Reduced Price: £228.82
Total Price: £274.59 (inc. vat)
-+
Dispatched Within: 2-3 Weeks
Please select a Quantity
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
Price: £286.03 (ex. vat)
Reduced Price: £228.82 (ex. vat)
Total Price: £274.59 (inc. vat)
£286.03 (ex. vat)
Reduced Price: £228.82
Total Price: £274.59 (inc. vat)
-+
Dispatched Within: 2-3 Weeks
Please select a Quantity
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
Price: £277.19 (ex. vat)
Reduced Price: £221.75 (ex. vat)
Total Price: £266.10 (inc. vat)
£277.19 (ex. vat)
Reduced Price: £221.75
Total Price: £266.10 (inc. vat)
-+
Dispatched Within: 2-3 Weeks
Please select a Quantity
Can't find the right part? We have 1000's more products in stock
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
Price: £286.03 (ex. vat)
Reduced Price: £228.82 (ex. vat)
Total Price: £274.59 (inc. vat)
£286.03 (ex. vat)
Reduced Price: £228.82
Total Price: £274.59 (inc. vat)
-+
Dispatched Within: 2-3 Weeks
Please select a Quantity
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
Price: £271.94 (ex. vat)
Reduced Price: £217.55 (ex. vat)
Total Price: £261.06 (inc. vat)
£271.94 (ex. vat)
Reduced Price: £217.55
Total Price: £261.06 (inc. vat)
-+
Dispatched Within: 4-6 Weeks
Please select a Quantity
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
Price: £251.99 (ex. vat)
Reduced Price: £201.59 (ex. vat)
Total Price: £241.91 (inc. vat)
£251.99 (ex. vat)
Reduced Price: £201.59
Total Price: £241.91 (inc. vat)
-+
Next Day Delivery
Please select a Quantity
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
Price: £251.99 (ex. vat)
Reduced Price: £201.59 (ex. vat)
Total Price: £241.91 (inc. vat)
£251.99 (ex. vat)
Reduced Price: £201.59
Total Price: £241.91 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
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
Price: £276.54 (ex. vat)
Reduced Price: £221.23 (ex. vat)
Total Price: £265.48 (inc. vat)
£276.54 (ex. vat)
Reduced Price: £221.23
Total Price: £265.48 (inc. vat)
-+
Dispatched Within: 3-4 Weeks
Please select a Quantity
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
Price: £443.63 (ex. vat)
Reduced Price: £354.90 (ex. vat)
Total Price: £425.88 (inc. vat)
£443.63 (ex. vat)
Reduced Price: £354.90
Total Price: £425.88 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
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
Price: £251.99 (ex. vat)
Reduced Price: £201.59 (ex. vat)
Total Price: £241.91 (inc. vat)
£251.99 (ex. vat)
Reduced Price: £201.59
Total Price: £241.91 (inc. vat)
-+
Next Day Delivery
Please select a Quantity
Can't find the right part? We have 1000's more products in stock
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
Price: £284.11 (ex. vat)
Reduced Price: £227.29 (ex. vat)
Total Price: £272.75 (inc. vat)
£284.11 (ex. vat)
Reduced Price: £227.29
Total Price: £272.75 (inc. vat)
-+
Dispatched Within: 2-3 Weeks
Please select a Quantity
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
Price: £251.99 (ex. vat)
Reduced Price: £201.59 (ex. vat)
Total Price: £241.91 (inc. vat)
£251.99 (ex. vat)
Reduced Price: £201.59
Total Price: £241.91 (inc. vat)
-+
Next Day Delivery
Please select a Quantity
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
Price: £286.03 (ex. vat)
Reduced Price: £228.82 (ex. vat)
Total Price: £274.59 (inc. vat)
£286.03 (ex. vat)
Reduced Price: £228.82
Total Price: £274.59 (inc. vat)
-+
Dispatched Within: 2-3 Weeks
Please select a Quantity
Add to Cart
Can't find the right part? We have 1000's more products in stock
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