efd 725hf ユーザーガイド

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

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.

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.

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