Series 81L
Concentric Lug Type Butterfly Valve
This concentric lug-type butterfly valve offers a broad size range from 1-1/2" to 84" with PN10/16 and Class 125/150 ratings, delivering reliable shutoff for water, seawater, air, oil, gas, and more. Available in cast iron, ductile iron, CF8M, or WCB with multiple seat and disc materials, it ensures strong corrosion and pressure resistance. ISO 5752 face-to-face dimensions, ISO 5211 mounting compatibility, and precise lug alignment simplify installation and automation. Backed by ISO 9001 and PED certification, it is a dependable choice for industrial operators.
Specification
Size Range: 1-1/2"- 84" (DN40 ~ DN2100)
Pressure Rating: PN10/16, CLASS 125/150
Body Material: Cast Iron, Ductile Iron, CF8M or WCB
Seat Material: EPDM, NBR, VITON, or PTFE
Disc Material: Ductile Iron, Stainless Steel, Alu-Bronze
Pressure Rating: PN10/16, CLASS 125/150
Body Material: Cast Iron, Ductile Iron, CF8M or WCB
Seat Material: EPDM, NBR, VITON, or PTFE
Disc Material: Ductile Iron, Stainless Steel, Alu-Bronze
Features
Face-to-face dimension complied with ISO 5752 short pattern
Actuator mounting pad flange complied with ISO 5211
Flange requirement: ANSI 125/150, BS Table E, JIS 10K, DIN PN10, DIN PN16
All wafers have locating holes for ease of installation.
Quality Assurance to ISO 9001, PED 97/23/EC
Rating: 1-1/2"~12": 228 PSI (16 BAR)
14" ~ 24": 150 PSI (10 BAR)
Options: Lever, Gear, Pneumatic, Electric Operated
Service Application: Water, Seawater, Air, Oil, Powder, Gas and etc.
Actuator mounting pad flange complied with ISO 5211
Flange requirement: ANSI 125/150, BS Table E, JIS 10K, DIN PN10, DIN PN16
All wafers have locating holes for ease of installation.
Quality Assurance to ISO 9001, PED 97/23/EC
Rating: 1-1/2"~12": 228 PSI (16 BAR)
14" ~ 24": 150 PSI (10 BAR)
Options: Lever, Gear, Pneumatic, Electric Operated
Service Application: Water, Seawater, Air, Oil, Powder, Gas and etc.
Safety/Quality Approvals
ISO 9001; PED 2014/68/EU
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