Taiwan Jie-Liu VALUE VP0035DA Pneumatic Butterfly Valve features a replaceable seat that completely isolates the valve body and shaft from the medium. Its heavy-duty structure can withstand pressures from vacuum to 285 psi, making this series an optimal choice for applications in food and beverage processing, vacuum desulfurization, marine, HVAC, desalination, air separation, and water treatment.

Design Specifications:

Connection Standard Wafer Type
Nominal Diameter DN40-DN2000
Maximum Working Pressure Up to 20 bar
Working Pressure DN40-DN200: Vacuum ~16 bar
DN250-DN2000: Vacuum ~10 bar
Flange Standard EN1092 PN10/16, ASME B16.5 Class150
Face-to-Face Length EN558 Series 20, API 609 Table 1
Top Flange ISO 5211
Sealing Test ISO 5208 Category 3, API 598 Table 5
Temperature Range -40°C to +200°C (depending on pressure, medium, and material)
Actuation Device Lever, Gearbox, Pneumatic Actuator, Electric Actuator

VF-733A Lug-Type Butterfly Valve, VF-730A Wafer-Type Butterfly Valve Structural Features:
? Pinless design for simplified maintenance.
? Self-lubricating bushing design ensures up to 50,000 cycles without jamming.
? For top-mounted shafts, no special tools are required for shaft removal with "Q" type design, available up to INCH 14 (DN 350).
? Disc position indicator marked on the shaft end for clear visibility of disc opening at any time.
? Splined shaft enhances strength without the need for drilling holes for taper pins.
? Anti-condensation: Available upon request
? Non-standard materials available upon request
Design Specifications:
? End Connection: Wafer, Lug, Flange
? Wall Thickness: AWWA C504, ASME B16.34
? Mounting Flange: ISO 5211
? Design: ISO 5208, AWWA C504, ASME B16.34
? Face-to-Face: API 609, ISO 5752, AWWA C504 (54" -72")
? Pressure Test: ISO 5208, AWWA C504 (54" -72")
? Marking: MSS-SP-25
? EX Certificate: ATEX 94/9/EG 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, petrochemical, fire protection, seawater, flue gas, and desulfurization.

Double-Acting Pneumatic Actuator Models:
VP0020DA
VP0035DA
VP0050DA
VP0075DA
VP0110DA
VP0160DA
VP0225DA
VP0435DA
VP0665DA
VP1000DA
VP1200DA
VP1800DA
VP2700DA
VP3800DA
VP5700DA
VP8000DA
Single-Acting Pneumatic Actuator Models:
VP0020SRK10
VP0035SRK10
VP0050SRK10
VP0075SRK10
VP0110SRK10
VP0160SRK10
VP0225SRK10
VP0435SRK10
VP0665SRK10
VP1000SRK10
VP1200SRK10
VP1800SRK10
VP2700SRK10
VP3800SRK10
VP5700SRK10
VP8000SRK10