Description

HERBERHOLZ – PNEUMATIC BUTTERFLY VALVE 

Manufactured: Herberholz GmbH

Product Type: Pneumatic Butterfly Valve Assembly

Product Tag: AK/D-edm-02-50-10/D68-2E

Actuator Code: D68/90-V14-G

 

General Information

The Herberholz D68/90-V14-G is a pneumatically operated butterfly valve assembly designed for automated opening and closing in industrial piping systems.

The assembly consists of a DN50 resilient-seated butterfly valve, a Herberholz D68/90-V14-G pneumatic rotary actuator, a Herberholz 3091-05-510-HN directional control valve, an AIRTEC 23-SP-011-412-1 solenoid coil, pneumatic exhaust silencers, and a valve position indicator box.

 

Materials Information

• Valve Body: GGG40 ductile iron
• Valve Disc: GGG40 ductile iron
• Valve Shaft: Stainless steel 1.4021
• Valve Liner: NBR

Industrial butterfly-valve documentation identifies GGG40 as ductile iron and material 1.4021 as AISI 420 stainless steel.

 

Features

• Pneumatically operated butterfly valve assembly.
• Double-acting twin-piston actuator.
• 90-degree quarter-turn operation.
• DN50 valve size.
• Multi-flange valve configuration marked PN MULTI.
• Maximum valve pressure of 16 bar.
• NBR resilient liner.
• 24 VDC electrical solenoid control.
• Manual override on the solenoid valve.
• Exhaust silencers fitted to the pneumatic control valve.
• Visual valve-position indication.
• Separate position monitoring box for system feedback.
• Compact actuator-mounted control arrangement.

 

Actuator Specifications

• Actuator Type: Pneumatically operated double-piston rotary actuator
• Operating Principle: Double acting
• Actuator Code: D68/90-V14-G
• Rotation Angle: 90°
• Air Inlet: 1/8-inch NAMUR
• Setting Range: 90°, adjustable from −5° to +5°
• Maximum Control Pressure: 10 bar
• Control Medium: Filtered air according to PNEUROP/ISO Class 4
• Temperature Range: −50°C to +70°C with NBR

Control Valve Specifications

• Control Valve Function: 3/2-way solenoid valve
• Type: KN 05-310-HN
• Air Connection: G1/4, NAMUR
• Control Voltage: 24 VDC

Signaling Device Specifications

• Function: End-position feedback
• System: Wavecontrol
• Housing: Polyamide
• Position Indicator: 3D position indicator
• Type: EPE-2M
• Sensor Type: Honeywell V15H10 microswitch
• Maximum Voltage: 250 VAC
• Maximum Current: 0.1 A
• Switching Function: Changeover
• Contact Material: Gold-plated contacts
• Protection Class: IP67