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Pipe Plug, Low Pressure Bypass, 141 Series

Low-pressure bypass pipe plugs from Petersen Products' 141-0 Series offer reliable sealing and isolation in low-pressure systems, and include a bypass feature which enables venting or filling during pressure control.

Plugs are ideal for applications requiring precise pressure regulation without disrupting the system, helping isolate sections of pipe while still controlling pressure levels.

Hand Tightening Low Pressure Aluminum Body By-Pass Plugs Sizes: 1 1/2" to 36", 141 Series

Low Pressure Bypass Plug

  • Lightweight aluminum pipe plugs, up to 70% lighter than similar steel plugs.
  • By Pass fill or vent threaded with removable cap.
  • Durable cast aluminum body
  • Plated steel wing nut or tee handle seal expansion
  • Natural Rubber Seal is most effective at mid-range of expansion
  • Other configurations available for most sizes, pressure, chemical, and temperature requirements

141-Series Mechanical Hand Tightening Test Plugs Operation & Maintenance Instructions
Mechanical Pipe Plugs Without Integral Restraint Generic Operating Instructions

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Pipe Plug, Low Pressure Bypass, 141 Series

Click an Item Number for More Information and to Order

    Image Pipe Size, Nominal Dia. Max Dia. Min By-Pass Shipping Wt. Item Number Price Qty Action
    36" (914.4mm) 36.8" (934.72mm) 34.5" (876.3mm) 2.0 BSPP 96 Lb (43.55 Kg) 141-0360-
    $2,315.41
    32" (812.8mm) 32" (812.8mm) 31.125" (790.57mm) 2.0 BSPP 61 Lb (27.67 Kg) 141-0320-
    $2,065.08
    30" (762mm) 31" (787.4mm) 29.25" (742.95mm) 2.0 BSPP 60 Lb (27.22 Kg) 141-0300-
    $2,013.52
    27" (685.8mm) 27.7" (703.58mm) 26.25" (666.75mm) 2.0 BSPP 44 Lb (19.96 Kg) 141-0270-
    $1,545.85
    24" (609.6mm) 25.5" (647.7mm) 23.55" (598.17mm) 2.0 BSPP 38 Lb (17.24 Kg) 141-0240-
    $1,105.66
    21" (533.4mm) 22.1" (561.34mm) 20.65" (524.51mm) 2.0 BSPP 32 Lb (14.52 Kg) 141-0210-
    $850.67
    20" (508mm) 20.65" (524.51mm) 19.15" (486.41mm) 2.0 BSPP 30 Lb (13.61 kg) 141-0200-
    $862.96
    18" (457.2mm) 19.25" (488.95mm) 17.45" (443.23mm) 1.0 BSPP 18 Lb (8.16 Kg) 141-0180-
    $671.18
    16" (406.4mm) 17" (431.8mm) 15.6" (396.24mm) 1.0 BSPP 14 Lb (6.35 Kg) 141-0160-
    $590.44
    15" (381mm) 15.8" (401.32mm) 14.35" (364.49mm) 1.0 BSPP 14 Lb (6.35 Kg) 141-0150-
    $522.28
    14" (355.6mm) 15.1" (384.54mm) 13.8" (350.52mm) 1.0 BSPP 11.5 Lb (5.22 Kg) 141-0140-
    $470.24
    12" (304.8mm) 12.45" (316.23mm) 11.35" (288.29mm) 1.0 BSPP 8 Lb (3.63 Kg) 141-0120-
    $378.39
    11" (279.4mm) 11.2" (284.48mm) 10.3" (261.62mm) 1.0 BSPP 8 Lb (3.63 Kg) 141-0110-
    $292.18
    10" (254mm) 10.25" (260.35mm) 9.2" (233.68mm) 1.0 BSPP 5 Lb (2.27 Kg) 141-0100-
    $219.87
    9" (228.6mm) 9.1" (231.14mm) 8.2" (208.28mm) 1.0 BSPP 4.5 Lb (2.04 Kg) 141-0090-
    $205.82
    8" (203.2mm) 8.55" (217.17mm) 7.7" (195.58mm) 1.0 BSPP 3.5 Lb (1.59 Kg) 141-0080-
    $187.39
    7" (177.8mm) 7.3" (185.42mm) 6.55" (166.37mm) 1.0 BSPP 3.5 Lb (1.59 Kg) 141-0070-
    $183.91
    6" (152.4mm) 6.55" (166.37mm) 5.9" (149.86mm) 0.5 BSPP 1.5 Lb (0.68 Kg) 141-0060-
    $80.31
    5" (127mm) 5.393" (136.98mm) 4.842" (122.98mm) 0.5 BSPP 2 Lb (0.91 Kg) 141-0050-
    $74.95
    4.5" (114.3mm) 4.724" (119.99mm) 4.4" (111.76mm) 0.5 BSPP 1 Lb (0.45 Kg) 141-0045-
    $57.30
    4" (101.6mm) 4.133" (104.97mm) 3.779" (95.98mm) 0.5 BSPP 1 Lb (0.45 Kg) 141-0040-
    $56.88
    3.5" (88.9mm) 3.7" (93.98mm) 3.503" (88.97mm) 0.5 BSPP 1 Lb (0.45 Kg) 141-0035-
    $56.23
    3" (76.2mm) 3.425" (86.99mm) 2.795" (70.99mm) 0.5 BSPP 1 Lb (0.45 Kg) 141-0030-
    $52.21
    2.5" (63.5mm) 2.775" (70.48mm) 2.44" (61.97mm) 0.5 BSPP 1 Lb (0.45 Kg) 141-0025-
    $45.52
    2" (50.8mm) 2.44" (61.97mm) 1.889" (47.98mm) 0.5 BSPP 1 Lb (0.45 Kg) 141-0020-
    $38.02
    1.5" (38.1mm) 1.889" (47.98mm) 1.456" (36.98mm) 0.5 BSPP 1 Lb (0.45 Kg) 141-0015-
    $41.35
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Key Features of 141-0 Series Low Pressure Bypass Pipe Plugs

The 141-0 Series Low Pressure Bypass Pipe Plugs provide reliable sealing, ease-of-use and adaptability for various applications. Their key features make them an excellent option for low-pressure systems:

  • Ultralight aluminum construction - The 141-0 Series pipe plugs are constructed of cast aluminum, making them up to 70% lighter than traditional steel plugs for easier and quicker handling and installation. Their lightweight design also facilitates easier transport and delivery processes.
  • Bypass Functionality - These pipe plugs feature threaded fill/vents and removable caps, enabling controlled pressure bypassing within pipelines for improved pressure management, as well as providing flexibility when dealing with sudden fluctuations during maintenance or testing. This enables controlled pressure bypassing without risk to pipeline integrity or maintenance efforts.
  • Robust Design - The cast aluminum body of this plug has been constructed to withstand long-term use without showing signs of wear, while still remaining reliable during extreme circumstances like pipeline maintenance or pressure testing. This robust construction guarantees reliable operation even under tough circumstances like maintenance testing or pressure verification.
  • Seal Expansion Mechanism - The 141-0 Series pipe plugs use a plated steel wing nut or tee handle for expanding their seal, which maintains a tight and secure fit during isolation or bypass operations to avoid leaks in your pipeline system. This mechanism ensures an uninterrupted pipeline experience with no leakage!

Applications of Low-Pressure Bypass Pipe Plugs

Low-Pressure Aluminum Bypass Plugs can help manage low-pressure systems, isolate pipeline sections and control pressure effectively - making them perfect for many different tasks. Below are some key applications of these pipe plugs.

  • Plumbing and Sewer Maintenance - The 141-0 Series is ideal for maintaining plumbing systems, providing efficient maintenance, isolation, pressure testing and bypass mechanism support to minimize disturbance of pipelines while managing pressure during repairs.
  • Industrial and Testing Applications - Pipe plugs provide reliable low-pressure isolation and bypassing for pressure testing purposes in industrial pipelines, making them perfect for frequent or demanding testing processes. Their durability also makes them suitable for routine or challenging testing procedures.
  • General Isolation Tasks - The 141-0 Series plugs are ideal for quickly isolating sections in low-pressure systems for maintenance purposes, sealing quickly and reliably with minimal interruption to service delivery.

Why choose Petersen Products for Low Pressure Bypass Pipe Plugs? 

Petersen Products manufactures low-pressure bypass pipe plugs that offer superior performance and ease of use, such as our 141-0 Series of bypass pipe plugs which boast multiple essential advantages that make them the ideal solution for pipeline maintenance, testing, and isolation needs. They come with features that help facilitate:

  • Easy to Use - Our mechanical hand-tightening mechanism makes installation quick and effortless, without needing additional tools or assistance for tightening. This saves both time and effort when installing or removing, saving both effort and time when dealing with each task.
  • Lightweight and Portable - Due to their aluminum construction, these pipe plugs are lightweight and portable, reducing physical strain for easier setup and faster overall efficiency.
  • Dependable Performance - Our low-pressure bypass pipe plugs feature consistent seal expansion for reliable isolation and bypassing without leaks even under fluctuating pressure conditions, providing consistent high-quality performance every time. 

Get Low-Pressure Bypass Plugs by Petersen Products

Petersen Products' 141-0 Series Low Pressure Bypass Pipe Plugs are lightweight yet sturdy plugs designed for ease of use, offering reliable performance during pipeline maintenance and testing. As an economical and effective choice for isolation and bypass needs. Explore our complete line of low-pressure pipe plugs. Questions? Simply email Petersen Products or call 262-692-3100 for help with product selection.

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