4610, 4615, 4620P, 5610, 5610D, 5610L, 5610P, 5610Q, 5610VL,
5610VQ, 5611, 5611L, 5611Q, 5615, 5615L, 5615Q, 5620, 5620D, 5620P,
5620VP, 5620V, 5625, 5625P, EZ-1, FFET, SB1, SB1A, SB2, SB2A, SBW
STANDARD CARTRIDGE SEALS
Installation, Operation & Maintenance Instructions
7
TYPE
Series Gland Installation Guide
Piping connections
A cast gland plate is normally used up to shaft sizes 3.000 inch/75 mm.
A letter identifying the function may be marked on the blank pads as
follows:
All standard pipework connections are tapped 3/8 inch NPT.
Special 5610 and 5615 seals may use a dual seal gland plate with a single
seal, for conical seal chambers. All ports are plugged. Use no flush. A
quench bush allows a quench by piping ports 1 and 3 as shown for “Single
Seal with Quench”.
Seal sizes above 75 mm/3.000 inch use a fully machined gland plate
with radial drillings that allow bi-directional shaft rotation. Pipework
connections are tapped 1/2 inch NPT.
ATTENTION Some gland plates will have unused connections sealed
with metal plugs.
As supplied, these gland plates have metal plugs fitted as follows:
Inch sizes – see relevant clockwise ANSI pump illustrations
mm sizes – see relevant clockwise DIN pump illustrations
Remaining connections are fitted with temporary plastic blanking
plugs that cannot hold pressure. All plugs should be left in place until
connection of the pipework. Plastic plugs must be replaced with metal
plugs or appropriate fittings.
NOTE Ensure the seal is correctly piped and plugged as shown in the
relevant illustration for the particular application. Due to the
wide variety of design of pumps and other machines the piping
illustrations may not be valid in all cases. Consult John Crane
if an alternative piping arrangement is required.
Sizes to 75 mm/3.000 inch DIN Pumps Clockwise Rotation
Dual seal preferred arrangement Dual seal optional arrangement
NO OPTION
AVAILABLE
Sizes to 75 mm/3.000 inch ANSI Pumps Clockwise Rotation
Single seal with flush Single seal with quench
Dual seal preferred arrangement Dual seal optional arrangement
Sizes to 75 mm/3.000 inch DIN Pumps Counter Clockwise Rotation
Sizes to 75 mm/3.000 inch ANSI Pumps Counter Clockwise Rotation
Single seal with flush Single seal with quench Dual seal
Sizes Over 75 mm/3.000 inch ANSI Pumps Bi-directional Rotation
D
– Drain
F – Flush
Q – Quench
I – Buffer/barrier inlent
O – Buffer/barrier outlet
V – Vent
Single seal with flush Single seal with quench
Single seal with flush Single seal with quench Dual seal
Single seal with flush Single seal with quench Dual seal
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