Fig. 970 Butterfly Valve Fully Lugged
Verified by manufacturer 4 days ago
DN50: Fig. 970
DN50: Fig. 970
A fully-lugged, lever (Fig. 970) or gearbox (Fig. 970G) operated gas butterfly valve.
Application
- Suitable for gas applications.
- Valves may be used for flow regulation.
Description
A fully-lugged, lever (Fig. 970) or gearbox (Fig. 970G) operated gas butterfly valve.
Features and benefits:
- Robust ductile iron valve body for long service life.
- Integrated notch plate for a more compact design.
- The anti blow-out stem design provides a safe and secure operation.
- Fully bonded epoxy paint system for superior corrosion resistance.
- Suitable for applications where Level 3 C3 (medium) corrosion protection is required.
- Maintenance free valve design, reducing downtime.
- Valves DN250 and larger supplied as standard with a fully enclosed gear operator.
General information
Color | Blue Guidance for specification option: Epoxy paint on body and lever. Yellow Guidance for specification option: Aluminium bronze disc. Silver Guidance for specification option: Stainless steel shaft and taper pin. Black Guidance for specification option: Buna-N O-ring. |
Material | Cast iron Guidance for specification option: Gearbox. |
Uniclass |
Specification data - Butterfly valves
Standard | To BS EN 593 and BS EN 558. |
DN rating | DN50.Manufacturer guidanceNominal. |
PN rating | Temperature: -10 to +90°C: PN16.Manufacturer guidanceEach valve is individually hydrostatically tested to BS EN 12266-1 at the following test pressures: Shell (24 bar) and Seat (17.6 bar). |
Working conditions | |
Type of fluid | Gaseous. |
Maximum working pressure | 10 to 16 bar. |
Materials | |
Body | Ductile iron (epoxy paint).Guidance for specification option: To ASTM A536 64-45-12. |
Shaft | Stainless steel type 410.Guidance for specification option: To ASTM A276 410 and stainless steel taper pin. |
Disc | Aluminium bronze.Guidance for specification option: To ASTM A276 410. |
Seat | Guidance for specification option:
|
Operation | |
Manual | Lever.Guidance for specification option: Fig. 970: Aluminium alloy (epoxy paint) lever. |
Dimensions | 109 x 246 x 72 x 43 x 32 x 212.5 x 52.9 x 125 mm. Manufacturer guidance
|
Weight | 3.6 kg. |
Flow capacity | 98 Kv. |
Thread size | 4 x M16. Manufacturer guidanceNumber x thread size. |
Sustainability data
Material | Cast iron Guidance for specification option: Gearbox. |
Recyclability | Recycle locally |
Expected Life | 20 year |
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