Burkert 2671 Pneumatic Butterfly Valve from GermanyStructural Features:

? Pinless design, simple maintenance.
? Self-lubricating bushing design, lifespan up to 50,000 cycles without jamming.
? For top-mounted shafts, no special tools required for disassembly with "Q" type design, available up to size INCH 14 (DN 350).
? Disc position indicator marked on shaft end for clear visibility of opening status.
? Splined shaft enhances strength without drilling for taper pins.
? Anti-condensation: Available upon request
? Non-standard materials provided as per requirements
Design Specifications:
? End Connections: Wafer, Lug, Flange
? Wall Thickness: AWWA C504, ASME B 16.34
? Mounting Flange: ISO 5211
? Design: ISO 5208, AWWA C504, ASME B16.34,
? Face-to-Face: API 609, ISO 5752, AWWA C504 (54” -72”)
? Pressure Testing: ISO 5208, AWWA C504 (54”-72”)
? Marking: MSS-SP-25
? EX Certificate: ATEX 94/9/EC Group II Category 2 GD
? ABS Certificate: ABS Rules for Steel Vessels 1-1-7/7, 4-6-2/5.11
Applications:
Suitable for HVAC, shipbuilding, petrochemicals, fire protection, seawater, flue gas, desulfurization.