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    9 Products

    Square-Head Expansion Plugs

    Image of Product. Front orientation. Exploded view. Expansion Plugs. Square-Head Expansion Plugs.
    Turn the square head of the plug into the sealing ring to close off pipe openings.
    Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.
    Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.
    For
    Pipe
    Max. Back
    Pressure
    Size
    ID
    Air,
    psi
    Water, ft.
    of head
    Overall
    Ht.
    Temp. Range,
    ° F
    Seal Material
    Each
    Plastic Head
    1 1/2
    		1.61" to 1.71"21502"35 to 210PVC
    		25655K7100000
    2
    		2.07" to 2.16"21502"35 to 210PVC
    		25655K720000
    3
    		3.07" to 3.16"21502"35 to 210PVC
    		25655K730000
    4
    		4.03" to 4.12"21502"35 to 210Polyurethane Rubber
    		25655K7400000
    6
    		6.07" to 6.16"13302"35 to 210Polyurethane Rubber
    		25655K7500000
     

    Expansion Plugs with Bypass

    Image of Product. Bottom orientation. Expansion Plugs. Expansion Plugs with Bypass, Style L.

    Style L

    Use the bypass tube on these plugs to add air, water, and other fluid to your pipeline or to relieve pressure while testing. The seal expands to temporarily close off pipe openings.
    Style L—For Style L, twist the wing nut to expand the seal. They have a GHT bypass that connects to standard garden hoses. Ideal for pipe cleanout, they allow for easy, controlled drainage.
    Maximum Air Back Pressure—Maximum air back pressure is the amount of pressure a plug can withstand without moving.
    Maximum Water Back Pressure—Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.
    For
    Pipe
    Max. Back
    Pressure
    Material
    Bypass
    Size
    ID
    Air,
    psi
    Water, ft.
    of head
    Overall
    Ht.
    Seal
    Bypass
    Cap
    Hose
    Size
    Thread
    Type
    Gender
    Each
    Style L
     
    Plastic Stem
    1 1/2
    		1.50" to 1.71"40923 3/4"PVC
    		Plastic3/4GHT
    		Male2566K5100000
    2
    		1.86" to 2.06"30693 3/4"PVC
    		Plastic3/4GHT
    		Male2566K520000
    3
    		2.84" to 3.09"20463 3/4"PVC
    		Plastic3/4GHT
    		Male2566K530000
    4
    		3.89" to 4.15"10233 3/4"PVC
    		Plastic3/4GHT
    		Male2566K540000
     
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