Area of application
Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems
Properties of Lug type Butterfly valve
| TYPE: | Lugged & Tapped |
|---|---|
| SIZE & CONNECTIONS: | DN50 to D1200 |
| MEDIUM: | Air, Inert Gas, Oil, Seawater, Waste water, Water |
| MATERIALS: | Cast Iron / Ductile Iron/ Carbon Steel / Stainless Steel / Alu Bronze |
| PRESSURE RATING: | PN10, PN16, PN25 |
| TEMPERATURE: | -30°C to 200°C |
| SEAT/LINING: | Replaceable Liner / Bonded Liner NBR/EPDM/VITON, PTFE/PFA lining |
| CERTIFICATES & APPROVALS: | DNV-GL, Lloyds, DNV, ABS, BV Type Approval 3.1 & 3.2 Cert (on request) |
Standards
Design and Manufacture Conform to EN 593、 API609
Flange dimensions Conform to EN 1092-2 PN10
Face to Face dimensions Conform to EN558 series
Topwork’s dimensions Conform to ISO5211
Testing Conform to API598、EN12266-1
Material of Parts
| PART NAME | Material |
|---|---|
| BODY | ASTM A536 65-45-12/ASTM A126 B EN-JL 1040 (GG-25) EN-JS 1030 (GGG-40) EN-JS 1049 (GGG 40.3) Stainless steel (1.4408) Alu-Bronze |
| DISC / PLATE | DI+NI,CF8/CF8M,C954/C958 EN-JS 1030 (GGG-40) Stainless steel (1.4408) Alu-Bronze |
| SHAFT / STEM | SS431/SS420/SS410/SS304 |
| SEAT / LINING | NBR /EPDM/ VITON /PTFE/PFA |
| TAPER PINS | SS416/SS316 |
| BUSHING | BRASS/PTFE |
| O-RING | NBR/EPDM/VITON |
| KEY | STEEL |
Actuation
Hand lever
Worm-gear/hand-wheel
Electric-actuator
Pneumatic-actuator
Hydraulic-actuator
Lug type butterfly valve features
Simple structure and easy operation
Easy installation and good sealing
Long service life and high reliability
Good interchangeability of parts and cost saving
Lug type butterfly valve with concentric design
Using backless structure, Rubber fusion bonded on valve body
Replaceable, resilient seat
Streamlined disc, one-piece stem
Approved and registered by VdS, DVGW
See the structure and application fields of the lug type butterfly valve
Related types of butterfly valves:
We have other types of butterfly valves: wafer butterfly vlave, U flange butterfly valve, double flange butterfly valve, fluorine lined PTFE butterfly valve, double eccentric butterfly valve and triple eccentric butterfly valves used in Marine industry, Water supply and drainage, fire fighting, shipbuilding, water treatment and other systems, with Nominal Diameter of DN50 to DN1200, NBR/EPDM/VITON, Certificates & Approvals: DNV-GL, Lloyds, DNV, BV, API, ABS, CCS. Standards: EN 593, API609, API6D
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