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Weco Wing Union Home

WECO Wing Unions - Figure 211

Insulating Union

2,000 psi (138 bar) cold working pressure

Weco Model 211 Wing Union

Recommended Service

   For production systems with electrolytic corrosion problems

Features
bulletLaminated insulating rings eliminate all metal-to-metal contact; insulating rings provide 35 million ohms resistance across the union
bulletO-ring in male sub provides a positive primary seal
bulletSeal ring in female sub provides a positive secondary seal
bulletInsulating rings, O-ring, and seal ring can be replaced to extend union life.
bulletSizes: 1-,1-,1-,2-,2-,3-,4-inches

 

Nominal Pipe Size (in) 1 1 1 2 2 3 4
(mm) 25 32 40 50 65 80 100
A) Clearance Radius (in) 21/8 25/8 25/8 31/8 311/16 4 45/8
(mm) 54 67 67 79 94 102 117
B) Outside diameter (in) 19/16 27/32 27/32 27/8 33/8 43/32 51/8
(mm) 40 56 56 73 86 104 130
C) End-to-end threaded (in) 2 31/32 31/32 315/32 43/16 4 47/8
(mm) 70 77 77 88 106 114 124
D) Inside Diameter (in) 11/8 115/32 111/16 25/32 29/16 33/16 43/16
(mm) 28 37 43 55 65 81 106
ACME threads/inch   6 6 6 4 4 4 3
Standard Standard Standard Standard Standard Standard Modified
Weight (lb) 2 3 3 6 9 16 18
(kg) .9 1.6 1.4 2.7 4.3 7.3 8.2
Material (Sub) CS CS CS SF CS SF SF
(Nut) DI DI DI DI DI SF SF
CS - Carbon Steel
SF - Steel Forging
DI - Ductile Iron Casting

 

 

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