ABB AP300 User Manual page 6

Dimensions in mm (in.)
Rear Extension
Sensor Shaft
27.9 (1.10)
Replacement Sensor
Sensor Shaft
and Junction Box
3
/ in. Conduit Port
4
Sensor Shaft
and Hand Fitting
Ball Valve Insertion
and Hand Fitting –
Installation Detail
Sensor Shaft
Wrench Fitting –
Installation Detail
Ball Valve Insertion
Wrench Fitting –
Installation Detail
Fig. 1.5 AP304/5 Sensors and Overall Dimensions
6 IM/AP300 Rev. J | AP300 | Combination pH/Redox (ORP) sensors
Stainless
Viton O-Rings
Steel Sheath
210.5 (8.29) or 312.1 (12.29)
95.0 (3.74)
3
/ in. NPT
4
71.1
(2.80)
120.0 (4.73)
Optional Compression Fitting (Hand) 316 Stainless Steel
1
1 / in. NPT Full Port Ball Valve
4
25.4
(1.00)
PVDF Back Piece
26.7
(1.05)
1
1 / in. NPT Full Port Ball Valve
4
Reducing Bushing
Compression Fitting
Sensor Screws into
Rear Extension
189.0 (7.44)
No. 019 Viton O-Rings
Replacement AP305 Sensor Detail
316 Stainless Steel Sheath No. 019 Viton O-Rings
25.4
PVDF Back Piece Anti-Blowout Lip
Dia.
(1.00)
406.4 (16) or 508.0 (20)
1
1 / in. NPT
4
97.8 (3.85)
Compression Fitting
69.9
Optional Compression Fitting
(2.75)
(Wrench) 316 Stainless Steel
Dia.
3
/ in.
1 in. NPT
4
NPT
28.6
(1.13)
Replaceable
AP305 Sensor
21.0 (0.83)
Electrode
Sensor Body
1
1 / in. 316 Stainless Steel
4
Close Nipple
AP304 Flush Sensor
1
1 / in. Close Nipple
4
AP305 Sensor
22.9 (0.90)
Dia.
26.7 (1.05)
Dia.
Protection
Tips