![valve_OPG41](http://www.svenskbakelitind.com/files/valve-opg41.jpg)
- Suitable for 44.3 mm inside dia. electrical conduit E 14000 60.
- Same design as OPG 63 but without colours
- Colour : Pale grey, white
- Material : Polypropylene
- Cross-sectional area of opening : 11 cm²
![valve_OPG41_2](http://www.svenskbakelitind.com/files/valve-opg41-2.jpg)
Capacity Chart for Exhaust Air Valve – OPF 80
![OPF80](http://www.svenskbakelitind.com/files/opf80.jpg)
Capacity Chart for Exhaust Air Valve – OPF 100
![OPF100](http://www.svenskbakelitind.com/files/opf100.jpg)
Capacity Chart for Exhaust Air Valve – OPF 125 & 125K
![OPF125 OPF125K](http://www.svenskbakelitind.com/files/opf125-opf125k.jpg)
Capacity Chart for Exhaust Air Valve – OPF 150 & OPF 160
![OPF160](http://www.svenskbakelitind.com/files/opf160.jpg)
Capacity Chart for Exhaust Air Valve – OPK 100 & 100K
![OPK100 OPK100K](http://www.svenskbakelitind.com/files/opk100-opk100k.jpg)
Capacity Chart for Exhaust Air Valve – OPK 160 & 160K
![OPK160 OPK160K](http://www.svenskbakelitind.com/files/opk160-opk160k.jpg)
Capacity Chart for Exhaust Air Valve – OPK 200df
![OPK 200df](http://www.svenskbakelitind.com/files/opk-200df.jpg)
Capacity Chart for Supply Air Valve – OPT63
![OPT63](http://www.svenskbakelitind.com/files/opt63.jpg)
Capacity Chart for Supply Air Valve – OPT100E
![OPT100E](http://www.svenskbakelitind.com/files/opt100e.jpg)
Capacity Chart for Supply Air Valve – OPT125
![OPT125](http://www.svenskbakelitind.com/files/opt125.jpg)
Capacity Chart for Supply Air Valve – OPT150 & OPT160
![OPT160](http://www.svenskbakelitind.com/files/opt160-433x1024.png)
Capacity Chart for Supply Air Valve – OPT200
![OPT200](http://www.svenskbakelitind.com/files/opt200-438x1024.png)
Capacity Chart for Supply Air Valve – OPTS 100E
![OPTS100E](http://www.svenskbakelitind.com/files/opts100e.jpg)
Capacity Chart for Supply Air Valve – OPTR 100
![OPTR100](http://www.svenskbakelitind.com/files/optr100.jpg)
Capacity Table – OPG 41
![OPG41](http://www.svenskbakelitind.com/files/opg41.jpg)