Definition of SAE 4 Bolt Flange Female Thread, SAE 4-bolt Flange Port end is according to SAE J518 Standard, Female thread has Female BSPP thread (ISO 1179-1), Female NPT thread (SAE 476), Female metric thread for O-ring (ISO 6149-1), Female UN/UNF thread for O-ring (ISO 11926-1). It is a connection from Flange Port to Thread Port.
1. Definition of SAE 4 Bolt Flange Female Thread, SAE 4-bolt Flange Port end is according to SAE J518 Standard, Female thread has Female BSPP thread (ISO 1179-1), Female NPT thread (SAE 476), Female metric thread for O-ring (ISO 6149-1), Female UN/UNF thread for O-ring (ISO 11926-1). It is a connection from Flange Port to Thread Port. There are Code 61 for 3000 to 5000 psi max, depending on size; High Pressure Code 62 for 6000 psi max., regardless of size.
2. Methods of SAE 4 blot flange female, it is normal flange connections by Flange with O-ring groove to counter flange O-ring seal, female thread port as DIN Fittings Port Styles link
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3. The O-ring dimension are according to ISO 3601- (SAE J515) the following table:
4. Dimension of SAE 4 Bolt Flange Port:
Code 61 – SAE – 3000 psi
Code 62 – SAE – 6000 psi
5. Product Types of SAE 4 Bolt Flange Female Thread
A. BSPP Female thread: Counter 4 blot Flange Straight to Elbow
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| 1GCFL-W | 1GFL-W | 1GFL9-W |
B. Female metric and UN/UNF thread:
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| 1OFL-W | 1HFL-W |
C. Female NPT thread
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| 1NCFL-W | 1NFL-W | 1NFL9-W |
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