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Low Pressure Regulators – Installation & Maintenance Manuals

Before installing or doing any maintenance on any of our low pressure regulators, please carefully read the installation and maintenance manual for the regulator you are working with. Failure to read the proper installation and maintenance manual for your low pressure regulator could lead to equipment malfunction, equipment damage, or personal injury.

FR95 Series Airpak Filter Regulators

Wednesday, March 29, 2017

Rev. C

 Download      [312 kb]
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GFH25 IEEE Qualified Airpak

Sunday, July 1, 2012

Rev. D

 GFH25 IEEE Qualified Airpak     [145k]
 Open Link

GFH45 Series Airpak Filter Regulators

Saturday, December 1, 2018

Rev. 0

 Download      [121k]
 Open Link

GFX02 Air Filters Regulators

Sunday, July 1, 2012

Rev. 0

 Download      [106k]
 Open Link

GFX04 Air Filters Reguators

Sunday, July 1, 2012

Rev. 0

 Download      [106k]
 Open Link

GH04 Series Cushion Loading Regulators

Monday, November 27, 2017

Rev. 0

 Download      [138 kb]
 Open Link

GH10 Series Manual Loading Regulators

Friday, June 1, 2012

Rev. 0

 Download      [68k]
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GH20/40 Series Service Regulators

Tuesday, October 1, 1991

Rev. C

 Download      [310k]
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GH20VT Series Vacuum Regulators

Wednesday, October 31, 2018

Rev. 0

 Download      [83 kb]
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GH21/41 Series Fixed Differential Regulators

Tuesday, October 1, 1985

Rev. 0

 Download      [252k]
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GH21AT Series Adjustable Differential Regulators

Tuesday, October 1, 1991

Rev. C

 Download      [273k]
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GH21F Series Fixed Differential Regulators

Tuesday, October 1, 1991

Rev. B

 Download      [235k]
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GH22 Series Ratio Relays

Friday, March 1, 1991

Rev. C

 Download      [237k]
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GH24/25 Series Pressure Reducing Regulators

Tuesday, October 1, 1991

Rev. B

 Download      [275k]
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GH26/27 Series Fixed Differential Regulators

Tuesday, October 1, 1991

Rev. A

 Download      [228k]
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GH28VT Vacuum Regulators

Wednesday, October 31, 2018

Rev. 0

 Download      [243k]
 Open Link

GH30 Series Back Pressure Regulators

Tuesday, October 1, 1991

Rev. B

 Download      [255k]
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GH31 Series Fixed Differential Regulators

Tuesday, October 1, 1991

Rev B

 Download      [235k]
 Open Link