01
Overview
The GF Type 578 is a lug-style PVC-C butterfly valve supplied with gearbox for metric PN10 flange systems. The PP-GF30 housing uses stainless-steel lug inserts and supports optional valve-integrated position feedback.
02
Key characteristics
- 01DN50 to DN300 range
- 02PP-GF30 housing with SS316 lug inserts
- 03EN 558 / ISO 5752 face-to-face dimensions
- 04Optional integrated position feedback
03
Technical specifications
- Nominal sizes
- DN50 to DN300
- Pressure rating
- PN10
- Flow coefficient
- Kv 740 to 50,000 L/min, size dependent
- Housing
- PP-GF30 with stainless-steel 316 lug inserts
- Seal options
- EPDM or FKM
- Flange standards
- ISO 7005 PN10, EN 1092 PN10 and DIN 2501 PN10
- Face-to-face
- EN 558 / ISO 5752; line 25 to DN200 and line 10 for DN250–300
04
Applications
- Chemical processing
- Water infrastructure
- Industrial utilities
05
Selection notes
- 01
Check the pipe material and flange-adapter geometry, especially at DN300.
- 02
Confirm elastomer compatibility, operating temperature and end-of-line duty.
- 03
Specify position indication and automation requirements during valve selection.
