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  • Lug Type Butterfly Valve

Lug Type Butterfly Valve

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Lug type butterfly valve rubber lined is available to do the repair in the downstream pipelines and equipment directly, which is mounted between two matching flanges of the piping with bolts & nuts. According to actual piping conditions, lug type butterfly valve can be manufactured according to different flanges standards, such as ASMEB16.1, EN1092, AS2129, DIN2501, BS4504, JIS10K. Lugged type butterfly valve can be mounted onto the piping ends as exhaust valve too. Prosper Flow can manufacture the lugged butterfly valve in accordance with the standards of EN593, API609 and ASME B16.34 with the sizes of 2″~24″ (DN50~600mm).


· Simple and compact construction

· Small in size and light in weight

· Quick 90° on-off operation, low torque

· Good sealing capability, no leakage

· It can be mounted wherever needed

· Lugged ends


· PN10 / PN16 / 125LB / 150LB / JIS10K / 150PSI / 200PSI

· Size: 2″~24″ (DN50~600mm)

· Materials: cast iron A126 B (GG25), ductile iron A536 65-45-12 (GGG40/50)

· Epoxy coating with thickness ≥ 250μm

· Working temperature: 0℃~+80℃


· Design & manufacturing: ASME B16.34, EN593, API609

· Face to face: ANSI B16.10, EN 558-1, API609

· Matching flanges: ANSI B16.1, EN 1092, JIS10K, AS 2129

· Top flange: ISO 5211

· Inspection & testing: API598

1.Water works, water projects
2.Environment protection
3.Public facilities
4.Power plant
5.Real estate
6.Petroleum, chemical industry
7.Steel work, metallurgy
8.Paper plant
9.Food & beverage
10.Water treatment plant