Repair Manuals
Note: Midland denotes "through" with "/"
Ex: If one were looking for an IOM for the A-14379, they would refer to the A-14150/14499 IOM because it refers to models A-14150 through A-14499.
PRESSURE RELIEF VALVES - Internal Style
A-1000 Series Internal Style IOM
A-1000, Rev. 3.7 Issue Date: May, 19, 2025 Supersedes: A-1000, Rev. 3.6
| PDF | 3.92 MB |
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A-1076/A-1281 Internal-Style PRV IOM
A-1076/A-1281, Rev. 2.1
Issue Date: April 10, 2018
Supersedes: A-1076/A-1281, Rev. 2
| PDF | 2.09 MB |
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A-2000 Series Internal Style IOM
Doc. No. A-2000, Rev. 1.6, 05/21
Replaces: A-2000, Rev. 1.5, 01/21
| PDF | 8.95 MB |
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A-22075/22076 High-Flow Internal-Style PRV IOM
A-22075/6, Rev. 1.2
Issue Date: November, 2021
Supersedes: A-22075/6, Rev. 1.1
| PDF | 6.50 MB |
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A-3000 Series Internal Style IOM
A-3000-M, Rev. 4.5
Issue Date: June 5, 2025
Supersedes: A-3000-M, Rev. 4.4
| PDF | 3.72 MB |
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A-3100 Series Internal Style IOM
A-3000-M, Rev. 4.5
Issue Date: June 5, 2025
Supersedes: A-3000-M, Rev. 4.4
| PDF | 3.72 MB |
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A-3200 Series Internal Style IOM
A-3000-M, Rev. 4.5
Issue Date: June 5, 2025
Supersedes: A-3000-M, Rev. 4.4
| PDF | 3.72 MB |
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A-3400 Series Internal Style IOM
A-3000-M, Rev. 4.5
Issue Date: June 5, 2025
Supersedes: A-3000-M, Rev. 4.4
| PDF | 3.72 MB |
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A-35000 Series Internal Style IOM
A-3000-M, Rev. 4.5
Issue Date: June 5, 2025
Supersedes: A-3000-M, Rev. 4.4
| PDF | 3.72 MB |
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A-37000 Series Internal Style IOM
A-3000-M, Rev. 4.5
Issue Date: June 5, 2025
Supersedes: A-3000-M, Rev. 4.4
| PDF | 3.72 MB |
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PRESSURE RELIEF VALVES - External Style
A-1400 Series External Style IOM
Doc. No. A-1400/A-15000, Rev. 3.2, 03/25 Supersedes: Rev. 3.1, 07/16
| PDF | 2.14 MB |
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A-1402C Series External-Style PRV IOM
A-1402C, Rev. 1.6
Issue Date: Feb. 10, 2025
Supersedes: A-1402C, Rev. 1.5
| PDF | 1.12 MB |
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A-14150/14499 External-Style PRV IOM
A-14150/A-14499, Rev. 1.1 04/03 Supersedes: Rev. 1, 02/08
| PDF | 1.71 MB |
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A-14378 External Style PRV IOM
Doc. No. A-14378, Rev. 1.1, 07/16
Supersedes: Rev. 1.0, 02/16
| PDF | 1.74 MB |
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A-1477/A-14167 External-Style PRV IOM
A-14167-KY & A-14167-3KY, Rev. 1.3
Issue Date: June 2, 2025
Supersedes: A-1477/A-14167, Rev. 1.2
| PDF | 3.25 MB |
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A-15000 Series External Style IOM
Doc. No. A-1400/A-15000, Rev. 3.1, 07/16
Supersedes: Rev. 3.0, 02/16
| PDF | 1.87 MB |
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A-1600 Series External Style IOM
Doc. No. A-1400/A-15000, Rev. 3.1, 07/16
Supersedes: Rev. 3.0, 02/16
| PDF | 1.87 MB |
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A-1700 Series External Style IOM
Doc. No. A-1400/A-15000, Rev. 3.1, 07/16
Supersedes: Rev. 3.0, 02/16
| PDF | 1.87 MB |
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A-1900 Series External Style IOM
Doc. No. A-1400/A-15000, Rev. 3.1, 07/16
Supersedes: Rev. 3.0, 02/16
| PDF | 1.87 MB |
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A-19075 Smart-Flow External-Style PRV IOM
A-19075, Rev. 2.3
Issue Date: February 19, 2020
Supersedes: A-19075, Rev. 2.2
| PDF | 11.04 MB |
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BOTTOM EQUIPMENT
A-520/A-522 4" Bottom Outlet Ball Valve IOM
A-520/A-522/A-522A, Rev. 3.0
Issue Date: April 1, 2021
Supersedes: A-520/522, Rev. 2.2
| PDF | 2.01 MB |
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A-536/A-567 Bottom Outlet Plug IOM
A-536/A-567, Rev. 1.9
Issue Date: October 10, 2022
Supersedes: Rev. 1.8, 9/18
| PDF | 4.85 MB |
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A-541 Bottom Outlet Plug Valve IOM
A-541, Rev. 1
Issue Date: January 12, 2018
Supersedes: A-541, Rev. 0
| PDF | 5.00 MB |
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A-547PL Bottom Outlet Plug Valve IOM
A-547PL, Rev. 1
Issue Date: January 12, 2021
Supersedes: A-547PL, Rev 0
| PDF | 3.39 MB |
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B-375/B-376 Bottom Outlet Shield IOM
Rev. 1.0, March, 2006
| PDF | 151.56 KB |
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B-50-MO-VB Bottom Equipment Washout IOM
B-50, Rev. 0
Issue Date: February 20, 2017
Supersedes: N/A
| PDF | 3.34 MB |
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Bottom Outlet Valve O-Ring Kit Instructions
Rev. 2.1, August, 2016
| PDF | 180.42 KB |
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VALVE ACTUATOR SYSTEMS
B-3715/B-3715-SW Valve Actuator IOM
February 13, 2006
| PDF | 490.83 KB |
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B-3715-80M CS Adaptor IOM
March 15, 2005
| PDF | 268.63 KB |
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B-3724 Remote Valve Actuator Controller IOM
September, 2005
| PDF | 48.03 KB |
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B-3724M Actuator Manifold IOM
May, 2004
| PDF | 204.90 KB |
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TOP TRANSFER VALVES
A/720/A-721/A-721-B/A-724/A-725 2” Angle Valve IOM
A-720/A-721/A-721-B/A-724/A-725, Rev. 2.0
Issue Date: Dec 11, 2024
Supersedes: A-720/A-721/A-721-B/A-724, Rev. 1.9
| PDF | 4.71 MB |
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A-713 1" Angle Valve Repair Kit Instructions
Issue Date: May 5, 2017, Rev. 2.1
Supersedes: November 2000, Rev. 2.0
| PDF | 419.67 KB |
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A-713/A-715 1" Angle Valve IOM
A-713/A-715, 1.8
Issue Date: August 24, 2023
Supersedes: Rev. 1.7, May 14, 2017
| PDF | 2.10 MB |
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A-718D 1" Angle Valve IOM
A-718D, Rev 1.1
Issue Date: February 7, 2025
Supersedes: Rev. 1.0, February 2020
| PDF | 4.31 MB |
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A-720 2" Angle Valve Repair Kit Instructions
A-720 Repair Kit, Rev. 0
Issue Date: June 26, 2018
| PDF | 686.14 KB |
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A-7200/A-7300 Top Transfer Ball Valve IOM
A-7200/A-7300, Rev. 1.0
Issue Date: April 27, 2020
Supersedes: Rev. 0
| PDF | 1.40 MB |
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A-728 2" Next Gen Angle Valve IOM
Issue Date: February 2017
Supersedes: February 2011
| PDF | 332.86 KB |
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A-730 3" Angle Valve Repair Kit Instructions
A-730/A-734 Repair Kit, Rev. 1.1 Issue
Date: April 25, 2024 Supersedes: A-7330/A-734 Kits, Rev. 0
| PDF | 688.92 KB |
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A-730/A-734 3" Angle Valves IOM
A-730/A-734, Rev. 1.2 Issue Date: April 25, 2024
Supersedes: A-730/A-734, Rev. 1.1
| PDF | 1.93 MB |
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VACUUM RELIEF VALVES
A-205/A-209 Vacuum Relief Valves IOM
A-205/A-209-M, Rev. 1.3, 5/18
Supersedes: Rev. 1.2, 6/05
| PDF | 1.28 MB |
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A-210/A-212 Vacuum Relief Valve IOM
A-210/A-212, Rev. 2.1
Issue Date: July 5, 2017
Supersedes: A-210/A-212, Rev. 2
| PDF | 2.54 MB |
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A-220/A-222 Vacuum Relief Valve IOM
A-220/A-222, Rev. 2
Issue Date: April 28, 2017
Supersedes: A-220/A-222, Rev. 1
| PDF | 1.32 MB |
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GAGING DEVICES
B-612 Magnetic Gaging Device IOM
Part No.: B-612, Rev. 1.
Issue Date: Jan 14, 2022.
Supersedes: B-612, 20190129 (January 29, 2019)
| PDF | 3.72 MB |
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NEEDLE VALVES
A-243/A-277 Needle Valve IOM
Rev. 1.1, April, 2004
| PDF | 95.98 KB |
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RUPTURE DISC DEVICES
A-424/A-460 Rupture Disc Device IOM
A-424/A-460, Rev. 1.3
Issue Date: June 29, 2018
Supersedes: Rev. 1.2, September 2011
| PDF | 645.20 KB |
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A-430/A-432/A-434 Rupture Disc Device IOM
A-430/A-432/A-434, Rev. 1.1
Issue Date: October 18, 2021
Supersedes: A-430-S/A-432-S/A-434-S, Rev. 1.0
| PDF | 1.35 MB |
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CHECK VALVES
A-120/A-177 Check Valve IOM
Rev. 1.2, September, 2010
| PDF | 241.16 KB |
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A-180 Check Valve IOM
A-180/A-183, Rev. 6.2
Issue Date: January 12, 2018
Supersedes: A-180/A-183, Rev 6.1
| PDF | 609.28 KB |
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A-183 Check Valve IOM
A-180/A-183, Rev. 6.2
Issue Date: January 12, 2018
Supersedes: A-180/A-183, Rev 6.1
| PDF | 609.28 KB |
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REGULATORS
A-1800 Series Assembly Testing Procedure
March 15, 2002
| PDF | 4.19 MB |
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PRESSURE VACUUM VALVES
Pressure Vacuum Valves IOM
| PDF | 615.21 KB |
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LIFT ASSISTERS
B-302/B-303 Lift Assister Assembly Procedure
January 14, 2015
| PDF | 1.35 MB |
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Lifter Assister Form
| PDF | 179.65 KB |
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EMERGENCY RESPONSE KIT
B-240/B-243 Emergency Response Kit (ERK) Manual
B-240/B-243, Rev. 0
Issue Date: March 27, 2017
| PDF | 508.87 KB |
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