4×3 Shear Elbow – 90 Degree

Shear elbows are designed to satisfy the sacrificial shear section requirements of 49CFR §178.345-8 as tested and verified per TTMA RP84.  They are Ideal to be used with a Internal Hydraulic Valve.

Elbows are constructed of 316 stainless with a 4” sump inlet flanges and outlet piping flanges as shown in table below.  Steam jacket versions are available for temperature sensitive product and have ¾” NPT inlet/outlet ports.

Shear Elbow MAWP: 50 psi [3.4 bar]
Minimum bursting pressure: 200 psi [13.8 bar]
Fb-max per TTMA RP 86:  20,200 lbs [9,163 kg]

* When comparing “A” dimension of Shear Elbows to External or Quick Clean Valve, remember to add thickness of Internal Valve flange and mounting gasket to Shear Elbow for true comparison.

Product Details

Part #DescriptionIntlet
(4" Sump TTMA)
Outlet
(Flange 3" TTMA)
DimensionsWeight
CH26165SS4x3 Shear ElbowB.C.: 7.25 " [184 mm]
8 Holes: 0.563" [14.3 mm]
B.C.: 4.88 " [124 mm]
8 Holes: 0.438" [11.1 mm]
A: 4.75" [121 mm]
B: 4.50" [114 mm]
9.4 lbs. [4.3 kg]
CH26166SS4x3 Shear Elbow with JacketB.C.: 7.25 " [184 mm]
8 Holes: 0.563" [14.3 mm]
B.C.: 4.88 " [124 mm]
8 Holes: 0.438" [11.1 mm]
A: 4.75" [121 mm]
B: 4.50" [114 mm]
13.7 lbs. [6.2 kg]
Shear Elbow Dimensions

Shear Elbow Dimensions