APL-9 Series Limit Switch Box
Installation Operation & Maintenance Manual
Doc No. : HumG-APL9-21 Rev0
Page 3 / 10
Valve Automation Leader HKC
1.
General
1.1.
HKC APL series limit switch box is designed to provide accurate and reliable valve position signaling and
indicating of most valves or actuators manufactured.
1.2.
HKC has developed press-formed all stainless steel valve position monitor APL9 series. In recent years the
demand for stainless steel valve position monitor steadily increased for use in a variety of building and
manufacturing plants. This APL9 Series model has a full variety of superb features that include the
lightweight and compact design, cleanliness, high insulation and corrosion resistance, unique to stainless
steel.
1.3.
APL limit switch box consists of a visual position indicator, quick-set cam ass’y, terminal strip, switch ass’y
and easy mounting bracket. Quick-set cam allows for a quick and simple hand operation in the setting of
switches.
2.
Special characteristics
2.1.
Made of press-formed stainless steel to secure long life.
Housing, cover, bracket are made of press-formed and welded stainless steel. (Standard: JIS G4304 SUS304,
Option: JIS G4304 SUS316, SUS316L) Therefore, it is surpassing corrosion resistivity and durability.
2.2.
Excellent design and cleanness, light weight.
APL-9 Series is compact configuration and light weight. It is easy handle and install, about 2/3 of
aluminum limit switch box and about 1/5 of stainless limit switch boxes in weight.
2.3.
High corrosion resistivity
Anticorrosive coating is not necessary
2.4.
Visual Position Indicator
Indicator window was firmly fixed to the six hooks made of metal.(Patent Pending)
2.5.
Quick-set cam
Spring loaded splined cam and special cam for proximity sensor
2.6.
No need to adjust again initial setting.
Easy setting is available without tool.
2.7.
Dual cable entries
Standard: Two NPT 1/2”, Option: Two M20, PG 13.5, PF 1/2”
2.8.
Captive cover bolts
Do not worries to lose cover bolts while cover open.
2.9.
Easy mounting bracket
NAMUR standard stainless steel shaft and bracket set.
3.
Ordering
Information
APL
-
9 1 0
L
S
① ② ③
○
4
① Enclosure type
9 : Stainless steel,
Weather proof [IP 67 (Standard)
Watertight IP68 2m 72 hrs (Option) ----- 17rev1]
② Switch type
Mechanical switch
(Ambient temperature : -20°C to +60 °C)
10 :
2-SPDT (Wonwoo Starion: SZM-V16-5FA-61, or Zippy: VA2-16)
11 :
3-SPDT (Wonwoo Starion: SZM-V16-5FA-61, or Zippy: VA2-16)
12 :
4-SPDT (Wonwoo Starion: SZM-V16-5FA-61, or Zippy: VA2-16)
13 :
2-SPST (Wonwoo Starion: SZM-V16-5FA-61, or Zippy: VA2-16)
Proximity switch
(Ambient temperature : -20°C to +60 °C)
20 :
Proximity Sensor (P&F : NJ2-V3-N)
23 :
Proximity Sensor (P&F : NBB2-V3
)
Reed magnetic switch
(Ambient temperature : -20°C to +60 °C)
30 : Reed type Proximity Sensor (MS-B 301)
③ Enclosure Material
N :
SUS304 Stainless Steel