Conversion Kits; Repair Kits; Accessories - Graco 25R487 Instructions - Parts Manual

Conversion Kits

Kit 25T509 converts a 25R647 (Higher Flow
Mechanical) spring-operated back pressure regulator to
a pneumatic-operated regulator. Includes refs. 3, 12, 15
(see page 9).
Kit 25T508 converts a 25R488 (Lower Flow Mechanical)
spring-operated back pressure regulator to a
pneumatic-operated regulator. Includes refs. 1, 3, 12, 15
(see page 9).

Repair Kits

Repair Kits
Diaphragm kit includes refs. 2, 3, 4, 5, 6, 7, 8, 12,
13 (for 25R487 only), 18 (see pages 9 and 11)

Accessories

Fluid Connection
Adapters
19A834 Adapter
17H273 Adapter
17G576 Adapter
17F440 Adapter
17K780 Adapter
19C093 Adapter
Part
118598 Clamp
120351 Gasket
3A7527B
Size
2 in. NPT
1.25 in. NPT
1.5 in. NPT
1.5 in.
sanitary to
1 in. NPT
1 in. NPT
2 in. sanitary
Size
Single pin, heavy duty sanitary clamp
1.5 in.
PTFE envelope with Viton
Conversion Kit Installation
1. Follow the Pressure Relief Procedure on page 6 to
relieve all fluid pressure in the system.
2. See F . 4. Remove the adjustment screw (43), cap
IG
screws (12), and regulator cap (42) from the existing
mechanical BPR.
3. Remove the spring guide (41), spring (40),
diaphragm (2), and seat (10) from the regulator
housing.
4. See F . 3. Install adapter (1) (lower flow BPR only)
IG
and install the air section (15). Follow the lubrication
and torque requirements on page 9.
Higher Flow
(for 25R457 and 25R647)
25R842
Connection
male
male
male
male
female
----
Description
™
insert
Conversion Kits
Lower Flow
(for 25R487 and 25R488)
25T507
Length Quantity
2.13 in. (54 mm)
1.95 in. (50 mm)
2.21 in. (56 mm)
2.12 in. (54 mm)
2.25 in. (57 mm)
1.50 in. (38 mm)
Quantity
1
1
1
13