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Just to let you know we’re still open for business as normal but working remotely with reduced warehouse staff.
However please note there may be a delay on some deliveries due to supply chain issues during the COVID-19 Coronavirus crisis.

Just to let you know we’re still open for Business as normal but working remotely with reduced warehouse staff.
However please note there may be a delay on some deliveries due to supply chain issues during the COVID-19 Coronavirus crisis.

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 options for 40bar rated versions, and have 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
• Filter Unit
• 1/4", 1/2", 3/4" NPT (BSP option available)

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 Pressure Regulator, 1/4" NPT Female, Max Inlet Pressure: 207bar, Outlet Range: 0.5 - 2bar, EPDM Diaphragm, Cv: 2.4, Relief/Vent port fitted with bug screen, Fluorosilicone Diaphragm, Temp Range: -50 Deg C to +90 Deg C. HS Code: 8481 1019
Price: £209.32 (ex. vat)
Reduced Price: £167.46 (ex. vat)
Total Price: £200.95 (inc. vat)
£209.32 (ex. vat)
Reduced Price: £167.46
Total Price: £200.95 (inc. vat)
-+
Dispatched Within: 4-6 Weeks
Please select a Quantity
4PRVSV022A Regulator, 1/2"NPT Ports, 316 Stainless Steel Body, Max Inlet: 20bar, Outlet Range: 0.5 - 2bar, Self-Relieving, Cv: 4.4, Relief/Vert Port is fitted with a bug screen.

HS Code: 8481 1019
Price: £279.77 (ex. vat)
Reduced Price: £223.82 (ex. vat)
Total Price: £268.58 (inc. vat)
£279.77 (ex. vat)
Reduced Price: £223.82
Total Price: £268.58 (inc. vat)
2PRVSV022A Midland Stainless Steel Regulator, 1/4"NPT Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 -2bar, Self-Relieving, Stainless Steel Body, Viton diaphragm, Cv: 2.4, Relief/Vent Port fitted with bug screen.
HS Code: 8481 101900
Price: £193.96 (ex. vat)
Reduced Price: £155.17 (ex. vat)
Total Price: £186.20 (inc. vat)
£193.96 (ex. vat)
Reduced Price: £155.17
Total Price: £186.20 (inc. vat)
-+
Next Day Delivery
Please select a Quantity
2PRVSV122A Midland Pressure Regulator, 1/4" NPT Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 12bar, Viton diaphragm, Cv: 2.4, Relief/Vent port fitted with bug screen. HS Code: 8481 1019
Price: £192.64 (ex. vat)
Reduced Price: £154.11 (ex. vat)
Total Price: £184.93 (inc. vat)
£192.64 (ex. vat)
Reduced Price: £154.11
Total Price: £184.93 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
2PRNSV022A Midland Stainless Steel Pressure Regulator, 1/4" NPT Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 2bar, Viton diaphragm, Cv: 2.4, Non-Relieving, Relief/Vent port fitted with bug screen.
Price: £193.96 (ex. vat)
Reduced Price: £155.17 (ex. vat)
Total Price: £186.20 (inc. vat)
£193.96 (ex. vat)
Reduced Price: £155.17
Total Price: £186.20 (inc. vat)
-+
Next Day Delivery
Please select a Quantity
4PRNSV042A Midland Stainless Steel Pressure Regulator, 1/2"NPT Ports, Viton Seals, Non-Relieving, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 4bar, Cv: 4.4, Temperature Range: -20 to +80 Deg C

HS Code: 8481 1019
Price: £281.96 (ex. vat)
Reduced Price: £225.57 (ex. vat)
Total Price: £270.68 (inc. vat)
£281.96 (ex. vat)
Reduced Price: £225.57
Total Price: £270.68 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
4PRNSV082A Midland Stainless Steel Pressure Regulator, 1/2"NPT Female Ports, Viton Seals, Max Pressure: 20bar, Outlet Pressure Range: 0.5 - 8bar, Non-Relieving, Cv: 4.4.

HS Code: 8481 1019
Price: £281.67 (ex. vat)
Reduced Price: £225.34 (ex. vat)
Total Price: £270.40 (inc. vat)
£281.67 (ex. vat)
Reduced Price: £225.34
Total Price: £270.40 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
Can't find the right part? We have 1000's more products in stock
4PRNSV122A Midland Stainless Steel Pressure Regulator, 1/2"NPT Ports, Viton Seals, Non-Relieving, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 12bar, Cv: 4.4, Temperature Range: -20 to +80 Deg C

HS Code: 8481 1019
Price: £281.67 (ex. vat)
Reduced Price: £225.34 (ex. vat)
Total Price: £270.40 (inc. vat)
£281.67 (ex. vat)
Reduced Price: £225.34
Total Price: £270.40 (inc. vat)
4PRVSV082A Midland Stainless Steel Pressure Regulator, 1/2"NPT Ports, Viton Seals,Self-Relieving, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 8bar, Cv: 4.4, Temperature Range: -20 to +80 Deg C

HS Code: 8481 1019
Price: £281.96 (ex. vat)
Reduced Price: £225.57 (ex. vat)
Total Price: £270.68 (inc. vat)
£281.96 (ex. vat)
Reduced Price: £225.57
Total Price: £270.68 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
4PRVSV122A Midland Stainless Steel Pressure Regulator, 1/2"NPT Ports, Viton Seals, Self-Relieving, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 12bar, Cv: 4.4, Temperature Range: -20 to +80 Deg C

HS Code: 8481 1019
Price: £281.67 (ex. vat)
Reduced Price: £225.34 (ex. vat)
Total Price: £270.40 (inc. vat)
£281.67 (ex. vat)
Reduced Price: £225.34
Total Price: £270.40 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
2PRNSV122A Midland Stainless Steel Pressure Regulator, 1/4" NPT Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 12bar, Viton diaphragm, Cv: 2.4, Non-Relieving, Relief/Vent port fitted with bug screen. HS Code: 8481 101900
Price: £193.96 (ex. vat)
Reduced Price: £155.17 (ex. vat)
Total Price: £186.20 (inc. vat)
£193.96 (ex. vat)
Reduced Price: £155.17
Total Price: £186.20 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
2PRNSV021A Midland Pressure Regulator, 1/4" BSP Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 2bar, Viton diaphragm, Cv: 2.4, Relief/Vent port fitted with bug screen. HS Code: 8481 1019
Price: £213.35 (ex. vat)
Reduced Price: £170.68 (ex. vat)
Total Price: £204.82 (inc. vat)
£213.35 (ex. vat)
Reduced Price: £170.68
Total Price: £204.82 (inc. vat)
-+
Dispatched Within: 2-3 Weeks
Please select a Quantity
2PRVSV021A Midland Pressure Regulator, 1/4" NPT Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 2bar, Viton diaphragm, Cv: 2.4, Relief/Vent port fitted with bug screen. HS Code: 8481 1019
Price: £213.35 (ex. vat)
Reduced Price: £170.68 (ex. vat)
Total Price: £204.82 (inc. vat)
£213.35 (ex. vat)
Reduced Price: £170.68
Total Price: £204.82 (inc. vat)
-+
Dispatched Within: 2-3 Weeks
Please select a Quantity
2PRVSV081A Midland Pressure Regulator, 1/4" BSP Female, Max Inlet Pressure: 12bar, Outlet Range: 0.5 - 8bar, Viton diaphragm, Cv: 2.4, Relief/Vent port fitted with bug screen. HS Code: 8481 1019
Price: £213.35 (ex. vat)
Reduced Price: £170.68 (ex. vat)
Total Price: £204.82 (inc. vat)
£213.35 (ex. vat)
Reduced Price: £170.68
Total Price: £204.82 (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 Pressure Regulator, 1/4" BSP Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 12bar, Viton diaphragm, Cv: 2.4, Relief/Vent port fitted with bug screen. HS Code: 8481 1019
Price: £213.35 (ex. vat)
Reduced Price: £170.68 (ex. vat)
Total Price: £204.82 (inc. vat)
£213.35 (ex. vat)
Reduced Price: £170.68
Total Price: £204.82 (inc. vat)
-+
Dispatched Within: 2-3 Weeks
Please select a Quantity
2PRVSF122A Midland Pressure Regulator, 1/4" NPT Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 12bar, Cv: 2.4, Relief/Vent port fitted with bug screen, Fluorosilicone Diaphragm, Temp Range: -50 Deg C to +90 Deg C.
Price: £209.32 (ex. vat)
Reduced Price: £167.46 (ex. vat)
Total Price: £200.95 (inc. vat)
£209.32 (ex. vat)
Reduced Price: £167.46
Total Price: £200.95 (inc. vat)
-+
Dispatched Within: 4-6 Weeks
Please select a Quantity
2PRVSV042A Midland Stainless Steel Regulator, 1/4" NPT Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 4bar, Viton diaphragm, Cv: 2.4, Self-Relieving, Relief/Vent port fitted with bug screen. HS Code: 8481 1019
Price: £193.96 (ex. vat)
Reduced Price: £155.17 (ex. vat)
Total Price: £186.20 (inc. vat)
£193.96 (ex. vat)
Reduced Price: £155.17
Total Price: £186.20 (inc. vat)
-+
Next Day Delivery
Please select a Quantity
2PRVSV082A Midland Pressure Regulator, 1/4" NPT Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 8bar, Viton diaphragm, Cv: 2.4, Relief/Vent port fitted with bug screen. HS Code: 8481 1019
Price: £193.96 (ex. vat)
Reduced Price: £155.17 (ex. vat)
Total Price: £186.20 (inc. vat)
£193.96 (ex. vat)
Reduced Price: £155.17
Total Price: £186.20 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
2PRVSV122AX Midland Stainless Steel Pressure Regulator, 1/4" NPT Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 8bar, Viton diaphragm, Cv: 2.4, Relief/Vent port fitted with bug screen, C/w 1/4"NPT Gauge Port.
Price: £206.25 (ex. vat)
Reduced Price: £165.00 (ex. vat)
Total Price: £198.00 (inc. vat)
£206.25 (ex. vat)
Reduced Price: £165.00
Total Price: £198.00 (inc. vat)
-+
Dispatched Within: 3-4 Weeks
Please select a Quantity
4PRVSV121A-SPEC Max Inlet Pressure: 20bar, Outlet Pressure: 0.5 - 12bar, Self Relieving, Viton Seals, Cv: 4.4

HS Code: 8481 1019
Price: £309.85 (ex. vat)
Reduced Price: £247.88 (ex. vat)
Total Price: £297.46 (inc. vat)
£309.85 (ex. vat)
Reduced Price: £247.88
Total Price: £297.46 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
6PRNSV082A Midland Stainless Steel Pressure Regulator, 3/4"NPT Female Ports, Viton Seals, Max Pressure: 20bar, Outlet Pressure Range: 0.5 - 8bar, Non-Relieving, Cv: 5. HS Code: 8481 101900
Price: £341.48 (ex. vat)
Reduced Price: £273.18 (ex. vat)
Total Price: £327.82 (inc. vat)
£341.48 (ex. vat)
Reduced Price: £273.18
Total Price: £327.82 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
Can't find the right part? We have 1000's more products in stock
2PRNSV082A Midland Stainless Steel Pressure Regulator, 1/4" NPT Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 8bar, Viton diaphragm, Cv: 2.4, Non-Relieving, Relief/Vent port fitted with bug screen. HS Code: 8481 101900
Price: £193.96 (ex. vat)
Reduced Price: £155.17 (ex. vat)
Total Price: £186.20 (inc. vat)
£193.96 (ex. vat)
Reduced Price: £155.17
Total Price: £186.20 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
2PRNSV041A Midland Stainless Steel Pressure Regulator, 1/4" BSP Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 4bar, Viton diaphragm, Cv: 2.4, Non-Relieving, Relief/Vent port fitted with bug screen. HS Code: 8481 1019
Price: £211.90 (ex. vat)
Reduced Price: £169.52 (ex. vat)
Total Price: £203.42 (inc. vat)
£211.90 (ex. vat)
Reduced Price: £169.52
Total Price: £203.42 (inc. vat)
-+
Dispatched Within: 2-3 Weeks
Please select a Quantity
2PRNSV042A Midland Pressure Regulator, 1/4" NPT Female, Max Inlet Pressure: 20bar, Outlet Range: 0.5 - 4bar, Viton diaphragm, Cv: 2.4, Non-Relieving, Relief/Vent port fitted with bug screen.
Price: £193.96 (ex. vat)
Reduced Price: £155.17 (ex. vat)
Total Price: £186.20 (inc. vat)
£193.96 (ex. vat)
Reduced Price: £155.17
Total Price: £186.20 (inc. vat)
-+
Dispatched Within: 2-3 Days
Please select a Quantity
2PRNSV081A Midland Stainless Steel Pressure Regulator, 1/4" BSP Female, Max Inlet Pressure: 20Bar, Outlet Range: 0.5 - 8bar, Viton diaphragm, Cv: 2.4, Non-Relieving, Relief/Vent port fitted with bug screen.
Price: £213.35 (ex. vat)
Reduced Price: £170.68 (ex. vat)
Total Price: £204.82 (inc. vat)
£213.35 (ex. vat)
Reduced Price: £170.68
Total Price: £204.82 (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
Call now: +44 (0) 151 343 9966