Donkin Model 226
- A range of low pressure, direct-acting, diaphragm operated, spring-loaded regulators
- For natural gas and all non-corrosive gaseous media
- Various options for speciality applications
Applications
Designed primarily for control of fuel gases to industrial burners, heater units, boilers and other items of equipment where an accurate, safe and reliable controlled pressure supply is required.
Features
- Quick response to rapid load changes
- Installation at any angle
- Wide operational pressure range
Temperature Rating
-20° to 60° Celsius
Installation
Any orientation, but moisture or debris must not ingress the vent hole
Screwed Body Sizes & Connection Types
- ¾"
- 1"
- 1 ¼"
- 1 ½"
- 2"

Body Size | A | B | C | D | E | F |
---|---|---|---|---|---|---|
¾" SC | 4.0" (103mm) |
1.4" (35mm) |
3.5" (90mm) |
4.2" (108mm) |
3.1" (80mm) |
5.5" (140mm) |
1" SC | 4.0" (103mm) |
1.4" (35mm) |
3.5" (90mm) |
4.2" (108mm) |
3.1" (80mm) |
5.5" (140mm) |
1¼" SC | 6.4" (163mm) |
2.2" (55mm) |
5.4" (137mm) |
4.8" (170mm) |
3.1" (80mm) |
8.3" (210mm) |
1½" SC | 6.4" (163mm) |
2.2" (55mm) |
5.4" (137mm) |
4.8" (170mm) |
3.1" (80mm) |
8.3" (210mm) |
2" SC | 8.3" (210mm) |
2.4" (61mm) |
6.8" (172mm) |
9.1" (230mm) |
3.5" (90mm) |
10.6" (270mm) |