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New chart :
Size | Inch | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | 11/4 |
mm | 6 | 8 | 10 | 15 | 20 | 25 | 32 | |
Dim. (mm) | A | 24.2 | 26.9 | 29.5 | 34.0 | 38.6 | 42.4 | 49.0 |
Size | Inch | 11/2 | 2 | 21/2 | 3 | 4 | 5 | 6 |
mm | 40 | 50 | 65 | 80 | 100 | 125 | 150 | |
Dim. (mm) | A | 54.6 | 64.3 | 73.2 | 80.8 | 93.7 | 95 | 105 |
About the process of production :
Smelting: Adopting electric stove and blast furnace double smelting, can control the ingredient and temperature well .
Testing : We test the molten iron by examples , spectrometer spectrometry and manual inspection.
Mixed sand: Use DISA Denmark system
Annealing: The temperature is controlled by computer exactly
Pickled: automatic pickling system
Packing: Use high quality double woven bag , packing few and easy to transport .
Some informations about the black equal sockets:
Measurement chart of black reducing sockets
Material | Malleable iron |
Standard | Thread: ISO 7/1 |
Dimension | ISO 49, DIN 2950,EN10242 |
Chemical property | (C %2.4-2.9), (Si %1.4-1.9), (Mn %0.4-0.65), (P% <0.1), (S% <0.2%) |
Physical property | Tensile strength>=350Mpa,Elongation>=10% Hardness<=150HB |
Testing pressure | 2.5Mpa |
Working pressure | 1.6Mpa |
Type | Beaded with ribs or banded with ribs |
Beaded without ribs or banded without ribs | |
Round/square | |
Surface | Galvanized/ no galvanized |
Color | White/black |
Model | Elbow, Tees, Crosses, Bends, Unions, Bushings, Lateral Braches, Sockets, Nipples, Hexagon/Round, Caps, Plugs, Locknuts, Flanges ,Side Outlet Tees, Side Outlet Elbows and etc |
Connection | Male, Female |
Shape | Equal, Reducing |
Certificate | BSI,ANAB,ISO9001,FM,UL |
Application | Suitable for pipe connect of steam, air, gas, oil and so on |
Buyer’s drawings or designs are available | |
Package | Cartons without pallet |
Cartons with pallet | |
Double woven bags | |
Or as buyer’s requirements | |
Delivery details | According to the quantities and specifications of each order |
Normal delivery time is from 30 to 45 days after receiving the deposit |
A&Q
A: Which parts it is controled strictly ?
Q: Black equal sockets outlet dimension is from 1/8 "~6".
A: Which part of thread will be regulated ?
Q: Thread diameter, parallelism, angle, tooth type, every part on thread will be regulated strictly .even each black equal sockets must be sorted by plug gauge.