Shaft
locking
screw
#72531
Air piston with O-ring
and shaft locking screw
#72532
Nye gel lubricant, 1 gram
foil packet (not shown)
O-ring only #72532A
Spring #72528
Air cylinder
body assembly
#72535
Thrust washer
#72533
Air cylinder cap
with O-ring
#72530
O-ring only
#72530A
Push-in fitting
1/8 NPT x 1/4 OD
#2184
4
6
7
9
10
General Maintenance Kit
#725HF-RK for 725HF-SS valve
#725HF-A-RK for 725HF-A
valve
†
Includes air cylinder and body cap
O-rings, diaphragm, sealing head
with screw and lubricant.
†
Repair kit for 725HF-A valve also
includes Teflon
®
-coated sealing-
head screws.
Maintenance Tools:
1/8" hex wrench
1/4" flat-tip screwdriver
3/8" box wrench
7/8" open-end wrench
8" adjustable wrench
1/4" NPT male pipe or rod
step
part
newton meters
(inch pounds)
3
Sealing head screw
1.69 Nm
(15 inch pounds)
5
Stainless steel fluid body
10.8 - 13.6 Nm
(8 - 10 foot pounds)
5
Acetal fluid body
.033 Nm
(.30 inch pounds)
7
Shaft locking screw
2.82 Nm
(25 inch pounds)
8
Shaft
1.69 Nm
(15 inch pounds)
9
Air cylinder cap
10.8 Nm
(8 foot pounds)
*
Parts that require a specific torque when reassembling the valve.
725HF-SS assembly of piston,
diaphragm and shaft.
www.efd-inc.com [email protected]
USA 800-556-3484 44 (0) 1582 666334 Asia +86 (21) 5854 2345
Sales and service of EFD dispensing systems are available worldwide.
