4 bolt flange normally refers to the flange with 4 bolt holes, when installing, there will be 4 bolts fastening the flange. SAE 4 bolt flange is one of the typical type of these. Our factory Younglee is a professional hydraulic flange manufacturer, 4 bolt hydraulic flange is one of our main product lines. Actually the 4 bolt hydraulic flange is well known as SAE flanges also.
SAE 4 bolt flange Standards
There are many different standards for different types of 4 bolt flanges, here below are the standards of our SAE 4 bolt flanges:
SAE J518 C
ISO 6162
4 bolt flanges according to the above two standards are known as SAE flanges, please go to our introduction of SAE flange for more details.
ISO 6164
CETOP RP 63H
4 bolt flange according to these above two standards are known as square ISO 6164 CETOP flange, please refer to our introduction of Square flange for more details
SAE 4 bolt flange product list
Here below is the list of our 4 bolt hydraulic flanges.