Page 40 Page 40 Pressure Connections offers Split Flange Adapters to convert Code 61 or Code 62 flange ports to JIC or O-ring Face Seal (OFS) connections. Ranging in sizes from 1/2” up to 2”, these adapters are a convenient and cost effective way to replace expensive hose fittings. They not only make hose alignment easy, but once in place the hose assembly can be replaced with standard hose swivel ends. This eliminates the need for special part numbers and extra inventory. Hydraulic equipment can then be quickly interconnected while maintaining an unbroken split flange O-ring connection. The 4-Bolt Flange Design is used world-wide for connecting pumps and motors in hydraulic systems. Split flange halves work by clamping down on the port surface thereby compressing the O-ring into a metal groove in the flange head. The flange head makes metal-to-metal contact with the port surface, leaving no place for the O-ring to extrude or deform under pressure. There are no spiral leak paths, sealing compounds, or gasket misalignments to contaminate the system or get in the way of a leak-free connection in a 4-Bolt Flange Design. The components that make up the Code 61 and Code 62 flange design are standardized by SAE under J518. Those components are: the flange head adapter, a pair of 2-bolt split flange halves (clamps), four Grade 5 bolts and washers, and a 90 durometer O-ring. The flange port design divides the load into four bolts, which require less torque than other port designs of comparable size. The flange head hose assembly can be removed quickly by pivoting one of the split flange halves out of the way. Simply remove one of the split flange bolts and loosen the others. Assembly is easy. Standard bolts are used (Grade 5 or better), so no special tools are required. First, make sure that the port surface and the flange head, including the O-ring groove, are free of nicks, dings, dirt, grit, or other foreign matter. Next, lubricate the O-ring with 10W hydraulic oil and insert it into the groove of the flange head. Then insert the four bolts with washers through the bolt holes of the split flange halves and thread them in to the port finger tight - the flange head should be centered in-between. Partially tighten each bolt according to the rotation diagram shown above until the specified torque values are obtained in the chart on page 41. This method will reduce the chance of pinching the O-ring and/or over flexing the flange. It should be noted that the split flange halves never actually touch the port surface. A clearance of 0.010” to 0.030” should always be measured after the torque values are reached. Only the flange head makes a metal-to-metal contact. Code 61 and Code 62 have different bolt patterns and are not interchangeable, except for the O-ring. Other brands also have similar dimensions to the SAE J518 flange design, but they are NOT interchangeable either. Split Flange Adapters
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Page 40Page 40
Pressure Connections offers Split Flange Adapters to convert Code 61 or Code 62 flange ports to JIC or O-ring Face Seal (OFS) connections. Ranging in sizes from 1/2” up to 2”, these adapters are a convenient and cost effective way to replace expensive hose fittings. They not only make hose alignment easy, but once in place the hose assembly can be replaced with standard hose swivel ends. This eliminates the need for special part numbers and extra inventory. Hydraulic equipment can then be quickly interconnected while maintaining an unbroken split flange O-ring connection.
The 4-Bolt Flange Design is used world-wide for connecting pumps and motors in hydraulic systems. Split flange halves work by clamping down on the port surface thereby compressing the O-ring into a metal groove in the flange head. The flange head makes metal-to-metal contact with the port surface, leaving no place for the O-ring to extrude or deform under pressure. There are no spiral leak paths, sealing compounds, or gasket misalignments to contaminate the system or get in the way of a leak-free connection in a 4-Bolt Flange Design. The components that make up the Code 61 and Code 62 flange design are standardized by SAE under J518. Those components are: the flange head adapter, a pair of 2-bolt split flange halves (clamps), four Grade 5 bolts and washers, and a 90 durometer O-ring. The flange port design divides the load into four bolts, which require less torque than other port designs of comparable size. The flange head hose assembly can be removed quickly by pivoting one of the split flange halves out of the way. Simply remove one of the split flange bolts and loosen the others.
Assembly is easy. Standard bolts are used (Grade 5 or better), so no special tools are required. First, make sure that the port surface and the flange head, including the O-ring groove, are free of nicks, dings, dirt, grit, or other foreign matter. Next, lubricate the O-ring with 10W hydraulic oil and insert it into the groove of the flange head. Then insert the four bolts with washers through the bolt holes of the split flange halves and thread them in to the port finger tight - the flange head should be centered in-between. Partially tighten each bolt according to the rotation diagram shown above until the specified torque values are obtained in the chart on page 41. This method will reduce the chance of pinching the O-ring and/or over flexing the flange. It should be noted that the split flange halves never actually touch the port surface. A clearance of 0.010” to 0.030” should always be measured after the torque values are reached. Only the flange head makes a metal-to-metal contact. Code 61 and Code 62 have different bolt patterns and are not interchangeable, except for the O-ring. Other brands also have similar dimensions to the SAE J518 flange design, but they are NOT interchangeable either.
Split Flange Adapters
Page 41
1700
Pg. 42 Code 61JIC Split Flange Adapter
1-MJ 2-FH61
1703
Pg. 43 Code 61JIC Split Flange Elbow
1-MJ 2-FH61
1704
Pg. 44 Code 61JIC Split Flange Elbow
1-MJ 2-FH61
61SF
Pg. 47 Split Flange Half
Code 61
610
Pg. 47 Flange O-RingCode 61 & 62
1 21
1
22
1804
Pg. 46 Code 62JIC Split Flange Elbow
1-MJ 2-FH62
1
2
1800
Pg. 45 Code 62JIC Split Flange Adapter
1-MJ 2-FH62
1 2
1803
Pg. 45 Code 62JIC Split Flange Elbow
1-MJ 2-FH62
2
1
FS-1700
Pg. 178 Code 61OFS Split Flange Adapter
1-OFS 2-FH61
FS-1703
Pg. 178 Code 61OFS Split Flange Elbow
1-OFS 2-FH61
2
2
11
1
FS-1704
Pg. 179 Code 61OFS Split Flange Elbow
1-OFS 2-FH61
2
FS-1804
Pg. 181 Code 62OFS Split Flange Elbow
1-OFS 2-FH62
1
2
FS-1800
Pg. 180 Code 62OFS Split Flange Adapter
1-OFS 2-FH62
FS-1803
Pg. 180 Code 62OFS Split Flange Elbow
1-OFS 2-FH62
1 2
2
1
61SF-KIT
Pg. 47 Split Flange Kit
Code 61
62SF
Pg. 47 Split Flange Half
Code 62
62SF-KIT
Pg. 47 Split Flange Kit
Code 62
4815
Pg. 90 100R4 Hose Barb x Code 61 Flange
1-HS 2-FH61
1 2
4817
Pg. 91 100R4Hose Barb x Code 61 Flange
1-HS 2-FH61
1
2
4819
Pg. 91 100R4 Hose Barb x Code 61 Flange
1-HS 2-FH61
1
2
1
Split Flange Adapters
Flange Bolt Torque ValuesCode 61 Code 62
lb.-ft. Bolts Size lb.-ft. Bolts
–08 – –
21–29 3/8 - 16 –12 26–34 3/8 - 16
26–35 3/8 - 16 –16 26–50 7/16 - 14
36–46 7/16 - 14 –20 63–75 1/2 - 13
46–58 1/2 - 13 –24 117–153 5/8 - 11
56–66 1/2 - 13 –32 – –
Page 41
� Split Flange Kits include the Flange O-Ring (610), which is also sold separately.
��
Split Flange Halves, Kits, and Flange O-Rings are on page 47.
Please Note
Split
Fla
nges
Page 42
Split Flange Adaptors Split Flange Adaptor information is on pages 40–41
1700-�--4 Tube � Code 61 A B C Split Flange Operating�-MJ -FH61 O.D. Male JIC Flange Head Length Diameter Flats Kit No. Pressure1700-08-08-4 1/2 3/4 - 16 1/2 2.60 1.188 13/16 61SF-KIT-08 5,000