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Zhejiang Dunyun Industrial Co.,Ltd
Address: No. 58th Yanbei East Road, Diankou Town, Zhuji, Zhejiang Province
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Press Fitting

Press Fitting Wall-plate Female Elbow

Product Name: Press fitting Wall-plated Female Elbow
Type: Elbow
Material: Brass
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Product Name: Press fitting Wall-plated Female Elbow

Type: Elbow

Material: Brass

Connection: Press + Female Thread

Technics: Forged

Size: 16 × 1/2”F; 20 × 1/2”F

Surface Treatment: Natural; Nickel Plated


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Additional information:

Warranty time: 5 years

Offer sample: Available

MOQ: 3000pcs

OEM: Acceptable

FOB Price(Ningbo): USD 0.3 - USD 4.5

Delivery time: in 20 days after down payment

Port: Ningbo Port or Shanghai Port

Packing:Plastic bag+Inner box+ Export Carton+4 Packing Belts



A union, similar to a coupling, allows the convenient future disconnection of pipes for maintenance or fixture replacement. In contrast to a coupling requiring 

A union, similar to a coupling, allows the convenient future disconnection of pipes for maintenance or fixture replacement. In contrast to a coupling requiring solvent welding, soldering, or rotation (for threaded couplings), a union allows easy connection and disconnection, multiple times if needed. It consists of three parts: a nut, a female end and a male end. When the female and male ends are joined, the nut seals the joint by pressing the two ends tightly together. Unions are a type of very compact flange connector.

Dielectric unions, with dielectric insulation, separate dissimilar metals (such as copper and galvanized steel) to prevent galvanic corrosion. When two dissimilar metals are in contact with an electrically conductive solution (ordinary tap water is conductive), they form an electrochemical couple which generates a voltage by electrolysis. When the metals are in direct contact with each other, the electric current from one to the other also moves metallic ions from one to the other; this dissolves one metal, depositing it on the other. A dielectric union breaks the electrical path with a plastic liner between its halves, limiting galvanic corrosion.

Rotary unions allow mechanical rotation of one of the joined parts, while resisting leakage.


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