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    Safety Extension Couplings & Adapters with Integral Shear Check-Lock

    Improve safety with these unique extension couplings and adapters for NH3. When the extension coupling is disconnected from the adapter, the built-in check valve in the adapter snaps shut so that NH3 flow stops from the nurse tank valve. The adapter also includes a weakened shear plane that is designed to shear off between 400-600 lbs. of force which also closes the built-in check valve. The Bell Adapter reduces 1-1/4" to 1" MPT for use with 1" FPT valves.

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    Picture of Safety Extension Coupling with Check, 1" MPT x 1-3/4" ACME
    Safety Extension Coupling with Check, 1" MPT x 1-3/4" ACME
    Extension Coupling with Check-Lock, 1IN MPT X 1-3/4IN Female ACME
    SKU: STA2231FS
    VIEW CATALOG PAGE E1103
    $176.00 / EA
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    Picture of Safety Extension Coupling with Check, 1-1/4" MPT x 2-1/4" ACME
    Safety Extension Coupling with Check, 1-1/4" MPT x 2-1/4" ACME
    Extension Coupling with Check-Lock, 1-1/4IN MPT X 2-1/4IN Female ACME
    SKU: STA2232FS
    VIEW CATALOG PAGE E1103
    $388.00 / EA
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    DELAY MY SHIPMENT until all in-stock items AND backordered items are available in one warehouse before shipping. (You will receive only one freight bill if you choose this option).

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    Picture of Safety Bell Adapter, 1-1/4" FPT x 1" MPT
    Safety Bell Adapter, 1-1/4" FPT x 1" MPT
    Bell Adapter, 1IN MPT X 1-1/4IN FPT
    SKU: STA2240S
    VIEW CATALOG PAGE E1103
    $35.50 / EA
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    DELAY MY SHIPMENT until all in-stock items AND backordered items are available in one warehouse before shipping. (You will receive only one freight bill if you choose this option).

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    Picture of Safety Adapter With Check/Shear, 1-1/4" MPT x 1-3/4" ACME
    Safety Adapter With Check/Shear, 1-1/4" MPT x 1-3/4" ACME
    Adapter with Check/Shear, 1-1/4IN MPT X 1-3/4IN Female ACME with ACME O-Ring
    SKU: STA2241S
    VIEW CATALOG PAGE E1103
    $104.00 / EA
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    Ship my in-stock items now, ship my backordered items when they become available. (You will be billed for each shipment).

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    Picture of Safety Adapter With Check/Shear, 1-1/4" MPT x 2-1/4" ACME
    Safety Adapter With Check/Shear, 1-1/4" MPT x 2-1/4" ACME
    Adapter with Check/Shear, 1-1/4IN MPT X 2-1/4IN Female ACME with ACME O-Ring
    SKU: STA2242S
    VIEW CATALOG PAGE E1103
    $297.00 / EA
    i h
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    DELAY MY SHIPMENT until all in-stock items AND backordered items are available in one warehouse before shipping. (You will receive only one freight bill if you choose this option).

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    Ship my in-stock items now, ship my backordered items when they become available. (You will be billed for each shipment).

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