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Insert stiffeners support the bore of polyethylene pipe inside Dresser Style 711 and Style 700 couplings. Dresser color-codes them by SDR.
Application: PE pipe connections with Style 711 and 700 couplings.
Included: one insert stiffener.
Covered for 12 months from the date of purchase under Dresser’s published warranty terms.
Used inside the coupling; the coupling rating applies.
Source: Dresser Style 711 Bolted Coupling Brochure (2021). The rating on the product label is the actual rating of each part.
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