lug type rubber lined butterfly valve


lug type rubber lined butterfly valve
lug type rubber lined butterfly valve


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lug type rubber lined butterfly valve Product introduction

lug type rubber lined butterfly valve is used in on-off and control flow of media in varied pipelines such as foodstuff,beverage,medicine,chemical engineering,industrial enviromental proction,water treatment and building etc.

lug type rubber lined butterfly valve structure :Wafer, Lug, Flanged Type.
butterfly valve Manufacturing standards: API, ANSI, BS, DIN, JIS
 butterfly valve Sealing: metal-seated, resilience-seated
Valve Size range: from 1-1/2inch to 24 inch (DN40mm - DN600mm)
Pressure: from PN0.6MPa to PN1.6MPa
Applicable tempt.: from -40 degrees C to 230 degrees C
Connection: wafer, flanged (lug type included)
lug type rubber lined butterfly valve materials: cast iron, ductile iron, aluminum bronze, carbon steel, stainless steel, etc.

lug type rubber lined butterfly valve Technical parameters

Description Standard
Design and manufacture EN593
Face to face ISO5752 series14, EN558-1 series 14, DIN3202 F4
Flange and drilling ISO7005-2, EN1092,
Pressure test EN12266
Top flange of bare shaft valve ISO5211
Top flange on worm gearbox for e-actuator ISO5210

lug type rubber lined butterfly valve Main connection dimensions

Name Material
Body ductile cast iron, WCB, stainless steel
Disc ductile cast iron, WCB, stainless steel, Al-bronze
Stem SS420, SS431
Disc seat ring EPDM,NBR,VITON
Body seat ring SS304
Retainer SS304, SS316
Shaft bearing Al-bronze, self-lubricating bearing
Bolt & nuts 8.8 grade galvanized, SS304
Coating epoxy coating, thickness: min. 250 microns, color code: RAl5015, 5017, 5010, and etc.