GCE GROUP ANNOUNCES REBRANDING FIND OUT MORE close
Home » VTLF

VTLF

Metal diaphragm shut off valve for using in industrial gas supply systems - VTLF - LOW FLOW RANGE

4 - port metal diaphragm shut off valve used in supply systems for industrial, inert, flammable, oxidizing gases and gas mixtures. Not usable for corrosive or toxic gases and gas mixtures.

SPECIAL FEATURES

  • Quick operation through 90° shut-off function
  • Handwheel indicates open/closed position (red/green) Metal diaphragm valve
  • Compact design
  • Designed and approved in accordance with relevant sections of EN ISO 10297
  • O2 - ignitation test regarding EN ISO 10297 for main shut off valve
  • Electrostatic chargeability test

- fulfill requirements according DIN EN ISO 80070-36; IEC TS 60079-32-1 and German TRGS 727
- usable in EX - areas zones 1 and 2 for gases with explosion risk group l; llA; llB; llC

TECHNICAL DATA

Working temperature: -20°C to +60°C
Inlet/outlet ports: NPT 1/4" female
Max. working pressure: 300 bar
Kv-value: 0,25
Seat diameter: 5 mm
Leakage rate seat: less than 6 cm3/h (20°C; 1,013 bar absolut) Compressed Air
Leakage rate outside: less than 6 cm3/h (20°C; 1,013 bar absolut) Compressed Air
Filter inlet: 100 µm mesh
Filter outlet ports: 100 µm mesh
Mounting holes: M6
Weight: 0,62 kg
Material gas wetted parts:
Valve body: BRASS (2.0401.26)
Valve diaphragm: 1 × Hastelloy (2.4819), 1 × Elgiloy (2.4711)
Valve seat: PCTFE
Valve popet: BRASS (2.0401.26)
Tests in production:

Pressure test with dry air (ISO 8573 [1:2:2]) of each item

Seat leakage test with dry air (ISO 8573 [1:2:2]) of each item

Test of functionality of each item

Approvals during development:

Type test accordance with relevant sections of EN ISO 10297

O2 ignition test regarding EN ISO 10297 for main shut of valve

Electrostatic chargeability test

- fulfill requirements according DIN EN ISO 80070-36; IEC TS 60079-32-1 and German TRGS 727

- usable in EX-areas zones 1 and 2 for gases with explosion risk group l; llA; llB; llC

Technical Datasheets Top

Download Technical Datasheets

Acrobat Logo VTLF.pdf
Downloads Top

Additional Downloads for this Product

Acrobat Logo Instruction-for-Use-VTL0000-EN.pdf
Live Chat