Armstrong offers several different models of pressure regulating valves to lower pressure for safety and efficiency, and to match the requirements of the application.

Category Products

  • SKU: AN1640
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 1/2" NPT connection. This valve features a reduced pressure range of 3-15 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $580.80
Regular Price: $605.00

  • SKU: AN1640A
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 1/2" NPT connection. This valve features a reduced pressure range of 7-80 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $580.80
Regular Price: $605.00

  • SKU: AN1640C
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 1/2" NPT connection. This valve features a reduced pressure range of 50-140 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $580.80
Regular Price: $605.00

  • SKU: AN1640E
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 3/4" NPT connection. This valve features a reduced pressure range of 3-15 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $625.92
Regular Price: $652.00

  • SKU: AN1640G
  • 1 in stock
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 3/4" NPT connection. This valve features a reduced pressure range of 7-80 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $625.92
Regular Price: $652.00

  • SKU: AN1640H
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 3/4" NPT connection. This valve features a reduced pressure range of 50-140 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $625.92
Regular Price: $652.00

  • SKU: AN1640K
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 1" NPT connection. This valve features a reduced pressure range of 3-15 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $636.48
Regular Price: $663.00

  • SKU: AN1640M
  • 2 in stock
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 1" NPT connection. This valve features a reduced pressure range of 7-80 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $636.48
Regular Price: $663.00

  • SKU: AN1640N
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 1" NPT connection. This valve features a reduced pressure range of 50-140 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $636.48
Regular Price: $663.00

  • SKU: AN1640P
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 1-1/2" NPT connection. This valve features a reduced pressure range of 3-15 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $1,603.56
Regular Price: $1,745.81

  • SKU: AN1640R
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 1-1/2" NPT connection. This valve features a reduced pressure range of 7-80 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $1,603.56
Regular Price: $1,745.81

  • SKU: AN1640T
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 1-1/2" NPT connection. This valve features a reduced pressure range of 50-140 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $1,603.56
Regular Price: $1,745.81

  • SKU: AN1640V
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 2" NPT connection. This valve features a reduced pressure range of 3-15 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $1,905.78
Regular Price: $2,074.84

  • SKU: AN1640X
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 2" NPT connection. This valve features a reduced pressure range of 7-80 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $1,905.78
Regular Price: $2,074.84

  • SKU: AN1640Y
  • Ships within 10 business days

Armstrong model GD-30 direct acting pressure regulating valve with a 2" NPT connection. This valve features a reduced pressure range of 50-140 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 410°F.

Online Price: $1,905.78
Regular Price: $2,074.84

  • SKU: AN1643
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 1/2" NPT connection. This valve features a reduced pressure range of 7-125 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $998.40
Regular Price: $1,040.00

  • SKU: AN1643A
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 3/4" NPT connection. This valve features a reduced pressure range of 7-125 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $1,084.80
Regular Price: $1,130.00

  • SKU: AN1643C
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 1" NPT connection. This valve features a reduced pressure range of 7-125 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $1,045.34
Regular Price: $1,138.07

  • SKU: AN1643E
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 1-1/4" NPT connection. This valve features a reduced pressure range of 7-125 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $1,128.89
Regular Price: $1,229.04

  • SKU: AN1643G
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 1-1/2" NPT connection. This valve features a reduced pressure range of 7-125 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $1,272.89
Regular Price: $1,385.81

  • SKU: AN1643H
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 2" NPT connection. This valve features a reduced pressure range of 7-125 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $1,575.12
Regular Price: $1,714.84

  • SKU: AN1643K
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 1/2" NPT connection. This valve features a reduced pressure range of 125-200 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $998.40
Regular Price: $1,040.00

  • SKU: AN1643M
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 3/4" NPT connection. This valve features a reduced pressure range of 125-200 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $1,084.80
Regular Price: $1,130.00

  • SKU: AN1643N
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 1" NPT connection. This valve features a reduced pressure range of 125-200 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $1,045.34
Regular Price: $1,138.07

  • SKU: AN1643P
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 1-1/4" NPT connection. This valve features a reduced pressure range of 125-200 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $1,128.89
Regular Price: $1,229.04

  • SKU: AN1643R
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 1-1/2" NPT connection. This valve features a reduced pressure range of 125-200 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $1,272.89
Regular Price: $1,385.81

  • SKU: AN1643T
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 2" NPT connection. This valve features a reduced pressure range of 125-200 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $1,575.12
Regular Price: $1,714.84

  • SKU: AN1643V
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 2" flanged connection. This valve features a reduced pressure range of 7-125 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $1,680.00
Regular Price: $1,829.04

  • SKU: AN1643W
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 2-1/2" flanged connection. This valve features a reduced pressure range of 7-125 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $2,170.67
Regular Price: $2,363.23

  • SKU: AN1643X
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 3" flanged connection. This valve features a reduced pressure range of 7-125 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $2,845.34
Regular Price: $3,097.75

  • SKU: AN1643Y
  • Ships within 10 business days

Armstrong model GP-1000 pilot-controlled pressure regulating valve with a 4" flanged connection. This valve features a reduced pressure range of 7-125 psi, an inlet pressure of 15-250 psi, and a maximum temperature of 450°F. The GP-1000 features a stainless steel diaphragm and working parts, and a removable strainer.

Online Price: $4,416.89
Regular Price: $4,808.71

  • SKU: AN1646
  • Ships within 10 business days

Armstrong model GP-2000L pressure regulating valve with an external pilot and 1/2" NPT connection. This valve features a reduced pressure range of 2-12 psi, an inlet pressure of 5-15 psi, and a maximum temperature of 450°F. The GP-2000L is single seated for dead-end service.

Online Price: $1,222.23
Regular Price: $1,330.65

  • SKU: AN1646A
  • Ships within 10 business days

Armstrong model GP-2000L pressure regulating valve with an external pilot and 3/4" NPT connection. This valve features a reduced pressure range of 2-12 psi, an inlet pressure of 5-15 psi, and a maximum temperature of 450°F. The GP-2000L is single seated for dead-end service.

Online Price: $1,250.67
Regular Price: $1,361.62

  • SKU: AN1646C
  • Ships within 10 business days

Armstrong model GP-2000L pressure regulating valve with an external pilot and 1" NPT connection. This valve features a reduced pressure range of 2-12 psi, an inlet pressure of 5-15 psi, and a maximum temperature of 450°F. The GP-2000L is single seated for dead-end service.

Online Price: $1,322.67
Regular Price: $1,440.00

  • SKU: AN1646E
  • Ships within 10 business days

Armstrong model GP-2000L pressure regulating valve with an external pilot and 1-1/4" NPT connection. This valve features a reduced pressure range of 2-12 psi, an inlet pressure of 5-15 psi, and a maximum temperature of 450°F. The GP-2000L is single seated for dead-end service.

Online Price: $1,524.45
Regular Price: $1,659.68

  • SKU: AN1646H
  • Ships within 10 business days

Armstrong model GP-2000L pressure regulating valve with an external pilot and 1-1/2" NPT connection. This valve features a reduced pressure range of 2-12 psi, an inlet pressure of 5-15 psi, and a maximum temperature of 450°F. The GP-2000L is single seated for dead-end service.

Online Price: $1,750.23
Regular Price: $1,905.49

  • SKU: AN1646M
  • Ships within 10 business days

Armstrong model GP-2000L pressure regulating valve with an external pilot and 2" NPT connection. This valve features a reduced pressure range of 2-12 psi, an inlet pressure of 5-15 psi, and a maximum temperature of 450°F. The GP-2000L is single seated for dead-end service.

Online Price: $2,169.78
Regular Price: $2,362.26

  • SKU: AN1646N
  • Ships within 10 business days

Armstrong model GP-2000L pressure regulating valve with an external pilot and 2" flanged connection. This valve features a reduced pressure range of 2-12 psi, an inlet pressure of 5-15 psi, and a maximum temperature of 450°F. The GP-2000L is single seated for dead-end service.

Online Price: $2,422.23
Regular Price: $2,637.10

  • SKU: AN1646P
  • Ships within 10 business days

Armstrong model GP-2000L pressure regulating valve with an external pilot and 2-1/2" flanged connection. This valve features a reduced pressure range of 2-12 psi, an inlet pressure of 5-15 psi, and a maximum temperature of 450°F. The GP-2000L is single seated for dead-end service.

Online Price: $2,680.00
Regular Price: $2,917.75

  • SKU: AN1646T
  • Ships within 10 business days

Armstrong model GP-2000L pressure regulating valve with an external pilot and 3" flanged connection. This valve features a reduced pressure range of 2-12 psi, an inlet pressure of 5-15 psi, and a maximum temperature of 450°F. The GP-2000L is single seated for dead-end service.

Online Price: $3,313.78
Regular Price: $3,607.75

  • SKU: AN1646X
  • Ships within 10 business days

Armstrong model GP-2000L pressure regulating valve with an external pilot and 4" flanged connection. This valve features a reduced pressure range of 2-12 psi, an inlet pressure of 5-15 psi, and a maximum temperature of 450°F. The GP-2000L is single seated for dead-end service.

Online Price: $4,992.00
Regular Price: $5,434.84

  • SKU: AN1684
  • Ships within 10 business days

Armstrong 1/2" NPT, direct acting, ductile iron body Model GD-45 pressure reducing valve for use with steam, air, and non-corrosive gases. This valve has a 300 psi maximum inlet pressure, and a 3-15 psi (yellow spring) adjustable outlet range.

Online Price: $320.89
Regular Price: $349.36

  • SKU: AN1684A
  • Ships within 10 business days

Armstrong 3/4" NPT, direct acting, ductile iron body Model GD-45 pressure reducing valve for use with steam, air, and non-corrosive gases. This valve has a 300 psi maximum inlet pressure, and a 3-15 psi (yellow spring) adjustable outlet range.

Online Price: $364.45
Regular Price: $396.78

  • SKU: AN1684C
  • Ships within 10 business days

Armstrong 1" NPT, direct acting, ductile iron body Model GD-45 pressure reducing valve for use with steam, air, and non-corrosive gases. This valve has a 300 psi maximum inlet pressure, and a 3-15 psi (yellow spring) adjustable outlet range.

Online Price: $440.00
Regular Price: $479.04

  • SKU: AN1684E
  • Ships within 10 business days

Armstrong 1/2" NPT, direct acting, ductile iron body Model GD-45 pressure reducing valve for use with steam, air, and non-corrosive gases. This valve has a 300 psi maximum inlet pressure, and a 7-80 psi (blue spring) adjustable outlet range.

Online Price: $320.89
Regular Price: $349.36

  • SKU: AN1684H
  • Ships within 10 business days

Armstrong 3/4" NPT, direct acting, ductile iron body Model GD-45 pressure reducing valve for use with steam, air, and non-corrosive gases. This valve has a 300 psi maximum inlet pressure, and a 7-80 psi (blue spring) adjustable outlet range.

Online Price: $364.45
Regular Price: $396.78

  • SKU: AN1684K
  • Ships within 10 business days

Armstrong 1" NPT, direct acting, ductile iron body Model GD-45 pressure reducing valve for use with steam, air, and non-corrosive gases. This valve has a 300 psi maximum inlet pressure, and a 7-80 psi (blue spring) adjustable outlet range.

Online Price: $440.00
Regular Price: $479.04

  • SKU: AN1684M
  • Ships within 10 business days

Armstrong 1/2" NPT, direct acting, ductile iron body Model GD-45 pressure reducing valve for use with steam, air, and non-corrosive gases. This valve has a 300 psi maximum inlet pressure, and a 50-140 psi (green spring) adjustable outlet range.

Online Price: $320.89
Regular Price: $349.36

  • SKU: AN1684N
  • Ships within 10 business days

Armstrong 3/4" NPT, direct acting, ductile iron body Model GD-45 pressure reducing valve for use with steam, air, and non-corrosive gases. This valve has a 300 psi maximum inlet pressure, and a 50-140 psi (green spring) adjustable outlet range.

Online Price: $364.45
Regular Price: $396.78

  • SKU: AN1684P
  • Ships within 10 business days

Armstrong 1" NPT, direct acting, ductile iron body Model GD-45 pressure reducing valve for use with steam, air, and non-corrosive gases. This valve has a 300 psi maximum inlet pressure, and a 50-140 psi (green spring) adjustable outlet range.

Online Price: $440.00
Regular Price: $479.04

Page 1 of 2

Category Information

Category Videos

Armstrong: Guidelines for Steam System Efficiency

Armstrong: Guidelines for Steam System Efficiency

This educational video covers basic considerations in the design, piping, and trapping of steam systems. Topics include correct sizing and installation of steam supply and condensate return lines; steam velocities in the system; proper steam trap installation; trap safety factors; the use of air vents, vacuum breakers and safety drains; and how non-condensables affect the performance and service life of heat exchanger equipment.

Armstrong: What is Steam?

Armstrong: What is Steam?

This is the basics-of-steam primer… the "Steam 101" short course on the principles of steam that leads to a thorough understanding of the concepts outlined in the many Armstrong training courses and materials. Both live action video and clear, simple animation are used to illustrate steam properties and behavior. Everyday demonstrations and a straight-forward style help make this an informative and entertaining video, whether used as an introduction or as a refresher.