High Reliability and Variability

The key performance indicators for angle valves are reliability and variability. The 26.4 HV Angle Valve series delivers both. Tested in thousands of demanding applications under various process conditions the 26.4 series has proven its outstanding reliability and variability.
With its design options in actuation from manual to pneumatic to electric, various flange connections, body materials and sealing materials, nearly every requirement can be met.

The 26.4 is ideal for the pumping and venting of HV systems when a low outgassing rate is important. It resists high differential pressure and is fitted with a bellows-encapsulated feedthrough for particle-sensitive applications. The bellows encapsulation also prevents pressure peaks in any valve position.

VAT
Manual
VAT
Electromagnetic
VAT
Pneumatic
VAT
Electric

VAT
Closed
VAT
Open

Based on a reliable and robust core design, the 26.4 HV Angle Valve offers different actuation options. The manual version is controlled by a removable hand wheel that provides good grip and precise control with a clear end stop position, avoiding the risk of over twisting. The pneumatic version can be configured as single acting with closing spring (NC), opening spring (NO) or double acting.

The pneumatic version is controlled by a solenoid valve either “on board” or in a distant location if required. The electric version is actuated by a stepper motor supplied as normally closed using a 24V DC power supply. It is designed to meet specific requirements in low power consumption, high cycle time, reduced vibration and low noise. In this regard it is an alternative for applications were pneumatic actuated valves do not satisfy these objectives.

The manual and pneumatic version are available in sizes from DN 10 to DN 160 mm (0.4" – 6.4") and the electrical version is available in sizes from DN 16 to DN 40 mm (5/8" – 1.5").

The 26.4 can be selected in aluminum or stainless steel in various specifications. The standard options for flange connectors are ISO-KF or ISO-K (for the electric version only ISO-KF). The 26.4 can be used in different temperature regimes depending on the sealing elastomer chosen. In addition to these standard options further customization is possible.

The 26.4 HV Angle Valve series is also available as 26.5 as an inline version.


Key features of the 26.4 HV Angle Valve

Features:

    • Large number of design options
    • Refined electrical actuation
    • Resistance against high differential pressure
    • Long maintenance free cycle
    • Real bellows sealed feedthrough
    • Customization possibility

Benefits:

    • Outstanding reliability
    • Adjustable to various requirements
    • Low cost of ownership
  • Technical data
Sizes  DN 10 (⅜"), DN 16 (⅝"), DN 25 (1"),
DN 40 (1½"), DN 50 (2"), DN 63 (2 ½"),
DN 80 (3"), DN 100 (4"), DN 160 (6")
Actuators

Manual

 with removable handwheel
 Pneumatic single acting with closing spring (NC) or opening spring (NO), or double acting
 Electromagnetic single acting with closing spring (NC)
 Electric stepper motor (NC)
Body Material  aluminum or stainless steel
Feedthrough  bellows
Standard Flanges  ISO-KF, ISO-K, ISO-KF 40
Leak RateValve body, valve seat < 1 × 10-9 mbar ls-1
Pressure Range

Manual/pneumatic actuator


Electromagnetic actuator

Electric actuator

 

1 × 10-8 mbar to 5 bar (DN 10– 50)
1 × 10-8 mbar to 4 bar (DN 63 – 80)
1 × 10-8 mbar to 2 bar (DN 100– 160)

1 × 10-8 mbar to 2 bar (DN 10– 40)

1 × 10-8 mbar to 5 bar (DN 10 – 40)

Differential Pressure on the PlateManual/pneumatic actuator  
 in opening direction ≤ 2.0 bar (DN 10 – 50)
   ≤ 1.2 bar (DN 63 – 160)
 in closing direction ≤ 5.0 bar (DN 10 – 50)
   ≤ 4.0 bar (DN 63 – 80)
   ≤ 2.0 bar (DN 100 – 160)
 Electromagnetic actuator ≤ 2.0 bar (DN 10 – 40)
 Electric actuator ≤ 2.0 bar (DN 10 – 40)
Cycles until first ServiceManual actuator 10 000 (DN 10 – 160)
 Pneumatic actuator 3 million (NC, NO) (DN 10 – 80)
   1 million (NC, double acting) (DN 100 – 160)
 

Electromagnetic
actuator

 200 000 (DN 10 – 40)
 Electric actuator 2 million (DN 10 – 40)
TemperatureValve bodyManual/pneumatic actuator
Electromagnetic actuator
Electric actuator

≤ 150 °C

≤ 150 °C
≤ 150 °C

 ActuatorManual/pneumatic
Electromagnetic
Electric
≤ 120 °C
≤ 50 °C
≤ 50 °C
 Solenoid valve & position indicator≤ 80 °C (DN 10 – 80)
≤ 50 °C (DN 100 – 160)
MaterialAluminium valve body

 
 EN AW-6060 (3.3206), EN AW-6061 (3.3211), (DN 16 – 63)
EN AW-6063 (3.3206), EN AW-6082 (3.2315)
EN AC-42000 (DN 80 – 160)
 Stainless steel valve body
 
 AISI 304 (1.4301) (DN 10 – 50)
AISI 316L (1.4404) (DN 63 – 160)
 Plate AISI 316L (1.4404, 1.4435)
 Bellows AISI 316L (1.4404, 1.4435), AISI 316 Ti (1.4571)
SealBonnet, plate FKM
Mounting Position  any
Solenoid Valve  24 VDC, 2.5 W (others on request) (DN 10 – 80)
24 VDC, 1.0 W (others on request) (DN 100 – 160)
Position Indicator: Contact RatingVoltageManual/pneumatic actuator
Electromagnetic actuator

5 – 50 VAC / DC

max. 48 VAC / DC

 CurrentManual/pneumatic actuator
Electromagnetic actuator

5 – 100 mA

max. 500 mA

Mains VoltageElectromagnetic actuator100 – 120 V / 200 – 240 V / 50 – 60 Hz
Operating FrequencyElectromagnetic actuatormax. 15 min-1 at 20 °C
Valve Position Indication visual (mechanical)

 

 

 

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