Pilot Operated Pressure Regulators

Pilot Operated Pressure Regulators

Like direct acting pressure reducing valves, these valves are self-powered. Pilot operation provides accurate control under large load change conditions. Available in iron, cast steel and stainless steel in sizes 1/2" to 8".

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Find further information on Pilot Operated Pressure Regulators in the sections below, or get in touch for further assistance.

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Sales Brochures

Our brochures typically contain the concept, customer benefits and key features of the product.

Title Reference Number Issue File Size
PDF Pressure Regulators - - 2.39 MB
PDF Pressure reducing and surplussing valves for steam and industrial fluids SB-GCH- 29 4 5.39 MB
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Technical Information

Use our technical information sheets for a full technical specification of the product. They typically include:

  • Pressure/temperature limits
  • Materials
  • Sizes & connections
  • Dimensions & weights
  • Capacity charts
  • Ordering information
Title Reference Number Issue File Size
PDF Capacities for the Stainless Steel Pilot Operated Pressure Regulators DP 163 - - 79 KB
PDF Pilot Operated Back Pressure Regulator 1/2" to 4" 25BP - - 638 KB
PDF Pilot Operated Back Pressure Regulator 6" 25BP - - 592 KB
PDF Pilot Operated Pressure Regulators 1/2" to 4" 25P - - 544 KB
PDF Pilot Operated Pressure Regulators 6" 25P - - 521 KB
PDF Pilot Operated Pressure Regulators w/ elec override 1/2" to 4" 25PE - - 610 KB
PDF Pilot Operated Pressure Regulators w/elec override 6" 25PE - - 510 KB
PDF Pressure Regulator w/ Air Loaded Pilot 1/2" to 4" 25PA - - 120 KB
PDF Sizing and Selection Chart 25BP - - 66 KB
PDF Sizing and Selection Chart- 25P, 25PE, 25PA, and all Combinations - - 43 KB
PDF Spare Parts Stainless Steel Pilot Operated Pressure Regulator DP 163 - - 93 KB
PDF Stainless Steel Pilot Operated Pressure Regulators DP163 - - 267 KB
PDF BRV2, BRV2S5 and SRV2 Pressure Reducing Valve Capacities TI-P045- 13 4 128 KB
PDF BRV2S and BRV2B SG Iron Pressure Reducing Valves TI-P045- 14 5 211 KB
PDF BRV2S5 and BRV2B5 Gunmetal Pressure Reducing Valves TI-P045- 09 6 196 KB
PDF BRV71 and BRV73 SG Iron Pressure Reducing Valves TI-P210- 01 4 275 KB
PDF DEP4 Cast Steel Excess Pressure Valve TI-P206- 01 12 828 KB
PDF DEP7 SG Iron Excess Pressure Valve TI-P205- 01 10 741 KB
PDF DEP7 SG Iron Excess Pressure Valve Materials of Construction TI-P205- 02 2 104 KB
PDF DLV7 SG Iron Pressure Reducing Valve TI-P204- 04 6 554 KB
PDF DP143, DP143G and DP143H Pilot Operated Pressure Reducing Valves with Cast Steel Bodies TI-P006- 01 11 325 KB
PDF DP163, DP163G and DP163Y Pilot Operated Pressure Reducing Valves with Stainless Steel Bodies TI-P107- 01 10 346 KB
PDF DP27, DP27E, DP27G, DP27GY, DP27R and DP27Y Pilot Operated Pressure Reducing Valves with SG Iron Bodies TI-P470- 01 8 0.98 MB
PDF DP27T and DP27TE Pilot Operated Pressure/Temperature Control Valves with SG Iron Bodies TI-P470- 08 2 3.36 MB
PDF DPP17E and DPP17EE Pilot Operated Pressure Reducing Valves with SG Iron Bodies TI-P208- 01 3 161 KB
PDF DPS17 Combined Pressure Reducing and Surplussing Valve TI-P100- 14 2 157 KB
PDF DPT17T and DPT17TE Pilot Operated Pressure/Temperature Control Valves with SG Iron Bodies TI-P101- 01 4 285 KB
PDF DRV4 and DRV4G Cast Steel Pressure Reducing Valves TI-P203- 01 16 673 KB
PDF DRV7 and DRV7G SG Iron Pressure Reducing Valves TI-P204- 01 14 629 KB
PDF LRV2 Pressure Reducing Valve Capacities TI-P001- 09 2 42 KB
PDF LRV2B and LRV2S Gunmetal Pressure Reducing Valves TI-P001- 07 4 123 KB
PDF SDP143 Pilot Operated Pressure Surplussing Valve with Cast Steel Body TI-P004- 01 6 407 KB
PDF SRV2S Stainless Steel Pressure Reducing Valve TI-P186- 05 7 191 KB
PDF SRV461S and SRV463S Stainless Steel Direct Acting Pressure Reducing Valves TI-P186- 01 9 381 KB
PDF WS4 Water Seal Pot TI-S12- 03 5 117 KB
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Installation & Maintenance Instructions

Clear & accurate guidelines on installation & maintenance. They typically include:

  • General safety information
  • General product information
  • Installation
  • Commissioning
  • Operation
  • Maintenance
  • Spare parts
Title Reference Number Issue File Size
PDF 2"Class 300 25 Series Pressure Regulator - - 151 KB
PDF Type 25BP Back Pressure Control Valve Type 25P or 25BP Combo Regulators - - 41 KB
PDF Type 25P & 25PA Pressure Reducing Valves - - 794 KB
PDF Balance Pipe Assembly for the DP Type Valve IM-S10- 21 2 86 KB
PDF Body Gasket and Studs and Nuts Set for DP Pilot Operated Pressure Reducing Valves IM-S10- 28 2 148 KB
PDF Bolts and Nuts Set for Diaphragm Chamber Securing on the DP Type Valve IM-S10- 27 2 85 KB
PDF BRV2 Range of Pressure Reducing Valves IM-P045- 10 9 449 KB
PDF BRV2 SP and BRV2 BP Products supplied with external pressure sensing connection for units screwed ½", ¾" & 1" BSP (BS21 Rp) or flanged BS 4504 PN25. IM-P045- 08 2 37 KB
PDF BRV71 and BRV73 Pressure Reducing Valves IM-P210- 04 4 359 KB
PDF Control Pipe Assembly for the DP Type Valve IM-S10- 20 2 42 KB
PDF DEP Excess Pressure Valve IM-S12- 10 11 1.67 MB
PDF DLV7 SG Iron Pressure Reducing Valve IM-P204- 03 6 1.08 MB
PDF DP Pilot Operated Pressure Reducing Valves IM-S10- 25 3 198 KB
PDF DP143 and DP163 Pressure Reducing Valve Spares IM-P006- 08 2 89 KB
PDF DP143, DP143G, DP143H and DP163, DP163G, DP163Y Pilot Operated Pressure Reducing Valves IM-P006- 07 11 762 KB
PDF DP17 to DP27 Pilot Valve Assembly Upgrade Kit Fitting Instructions IM-P100- 16 3 184 KB
PDF DP17, DP143 and DP163 Pressure Reducing Valves Supplementary Safety Information IM-S10- 30 1 28 KB
PDF DP17, DP17E, DP17G, DP17R, DP17Y and DP27G Pilot Operated Pressure Reducing Valves IM-P100- 05 16 1.07 MB
PDF DP17T and DP17TE Pilot Operated Pressure/Temperature Control Valves IM-P101- 04 7 1.45 MB
PDF DP27, DP27E, DP27R and DP27Y Pilot Operated Pressure Reducing Valves IM-P470- 03 6 1.6 MB
PDF DP27T and DP27TE Pilot Operated Pressure/Temperature Control Valves IM-P470- 09 3 5.71 MB
PDF DPP17E and DPP17EE Pressure Reducing Valves IM-P208- 02 1 64 KB
PDF DPS17 Combined Pressure Reducing Valve and Surplussing Valve IM-P100- 13 1 68 KB
PDF DRV and DRVG Pressure Reducing Valves IM-S12- 04 12 1.63 MB
PDF DRV, DRVG and DEP Pressure Controls Supplementary Safety Information IM-S12- 13 1 42 KB
PDF HP10 Pressure Reducing Valve IM-P210- 02 4 367 KB
PDF Internal Strainer for the DP17, DP27 and 37D Pilot Operated Pressure Reducing Valves IM-S10- 26 2 557 KB
PDF Main Diaphragm Set for the DP Type Valve IM-S10- 22 2 56 KB
PDF Pilot Valve Assembly and Pilot Filter for DP27 Pilot Operated Pressure Reducing Valves IM-P470- 06 2 334 KB
PDF Pilot Valve Diaphragm Set for the DP17 and DP27 plus Pilot Valve Chamber Assembly for the DP17 IM-S10- 24 4 592 KB
PDF Pressure Control Spring for the DP and SDP Pilot Operated Pressure Reducing Valves IM-S10- 23 3 510 KB
PDF SDP143 Pilot Operated Pressure Surplussing Valve IM-P004- 05 5 643 KB
PDF SRV2S Pressure Reducing Valve IM-P186- 03 4 335 KB
PDF SRV461S and SRV463S Stainless Steel Direct Acting Pressure Reducing Valves IM-P186- 02 5 287 KB
PDF SRV66 Sanitary Pressure Reducing Valve IM-P186- 09 4 254 KB
PDF SRV66HC High Capacity Sanitary Pressure Reducing Valve IM-P186- 11 1 727 KB
PDF Type LRV2 Pressure Reducing Valve for Liquids IM-P001- 08 3 97 KB
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CAD Drawings

CAD drawings enabling you to see exactly how the product is constructed. You can also drop these into your own schematics.

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Contact us for advice from our engineers

  • Help on sizing and selection
  • Arrange a visit
  • Answers & advice on products/applications
  • Obtaining quotes & placing orders