high pressure fittings

High Pressure Socket Welding Fittings

High pressure fittings include forge fabricated carbon and stainless alloyed fittings, with pipe thread and welding joints, and with pressure to 2.000, 3.000, 6.000 and 9.000 LBs, designed in compliance with ASME B16.11 and MSS-SP.

Socket welding fittings include forged carbon-alloy made Elbow 45° and 90°, Tee, Cross, Union, Coupling and Half Coupling, Cap, Boss, Outlet and Welding Outlet, and Insert fittings.

Reference Table — Weight List for Socket Welding Fittings 3.000 & 6.000LBS

Unit: KG

Socket Welding Fittings to Pressure 3.000 LBS
Item 1/8" 1/4" 3/8" 1/2" 3/4" 1" 1¼" 1½" 2" 2½" 3" 4"
90° Elbow 0.09 0.08 0.12 0.22 0.33 0.53 0.84 1.08 1.68 3.20 5.38 10.95
45° Elbow 0.16 0.14 0.12 0.20 0.28 0.42 0.69 0.80 1.35 2.53 5.10 9.41
Tee 0.13 0.09 0.15 0.29 0.42 0.65 1.04 1.35 2.04 3.98 5.90 17.91
Cross 0.57 0.53 0.46 0.39 0.48 0.75 1.19 1.61 2.35      
Union 0.28 0.28 0.25 0.35 0.49 0.81 1.10 1.61 2.16 3.50 5.15 11.59
Coupling 0.04 0.05 0.07 0.13 0.17 0.29 0.45 0.59 0.86 1.40 1.78 2.85
Half Coupling 0.04 0.05 0.07 0.13 0.21 0.30 0.34 0.66 1.09 1.63 2.10 3.71
Cap 0.03 0.04 0.07 0.10 0.16 0.25 0.45 0.59 0.96 1.43 2.74 4.24
Socket Welding Fittings to Pressure 6.000 LBS
Item 1/8" 1/4" 3/8" 1/2" 3/4" 1" 1¼" 1½" 2" 2½" 3" 4"
90° Elbow     0.29 0.40 0.73 1.17 1.48 2.79 3.28      
45° Elbow       0.36 0.57 0.92 1.11 2.01 2.09      
Tee 0.14 0.20 0.43 0.56 0.94 1.49 1.93 3.37 3.95      
Cross       0.69                
Coupling 0.05   0.14 0.24 0.27 0.44 0.60 1.11 1.62      
Half Coupling   0.11   0.21 0.31 0.51 0.75 1.25 1.92      
Cap       0.16 0.23 0.36 0.64 0.94 1.41      

Reference Table — Dimensional Tolerance of Forged Socket Welding Fitting

Dimensions in Millimeters

Description Type ND 6~8 10~20 25~50 65~100
NPS 1/8~1/4 3/8~3/4 1~2 2½~4
Bore Dia. of Socket (B) All
Types
of
Pipe
Fittings
+0.3
-0
+0.4
-0
Bore Dia. of Fitting (D) ±0.4 ±0.8
Centrioity of Bore (X) ±0.8
Coin Cadence of Axes (Y) ±0.8
Center to Bottom of Socket (A) 45°, 90° Elbow, Tee ±0.3 ±1.5 ±2.0 ±2.5
Bottom to Bottom of Socket (E) Full Coupling ±1.5 ±3.0 ±4.0 ±5.0
Bottom of Socket to Opposite Face (F) Half Coupling ±0.8 ±1.5 ±2.0 ±2.5