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HAL-LOK

Low-Pressure Manual Tube Diaphragm Valves

SKU LHGF-4-LC-PCTFE

Fluid & Gas Control

Model and Connection Size

Seat Material

Low-Pressure Manual Tube Diaphragm Valves. Select the documented size and construction for quotation.

Models, sizes and drawing dimensions

Catalogue basic reference Specification
LHGF-4 Tube connection: 1/4 in.; Maximum working pressure: 250 psi (17.2 bar); Cv: 0.27; Seat options: PCTFE: -40 to 80°C; PFA or Vespel: -26 to 177°C
LHGF-6 Tube connection: 3/8 in.; Maximum working pressure: 250 psi (17.2 bar); Cv: 0.7; Seat options: PCTFE: -40 to 80°C; PFA or Vespel: -26 to 177°C
LHSGF-8 Tube connection: 1/2 in.; Maximum working pressure: 250 psi (17.2 bar); Cv: 0.7; Seat options: PCTFE: -40 to 80°C; PFA or Vespel: -26 to 177°C

Available options

Option Values
Material 316L Stainless Steel
Seat material PCTFE | PFA | Vespel

Diaphragm Valve Seat Options

Seat: PCTFE (-40 to 80°C) | PFA (-26 to 177°C) | Vespel (-26 to 177°C). Maximum working pressure: 250 psi (17.2 bar). Confirm the selected construction and rating.

Ordering notes

  • Internal LABCON suffix identifies seat choice; catalogue basic model retained.

Catalogue drawing dimensions are nominal. Pressure and temperature ratings depend on the selected material, seals and configuration. Confirm the complete manufacturer ordering code with the quotation.

Source references and links are provided in the product documentation fields.

Technical Specifications

ModelLow-Pressure Manual Tube Diaphragm Valves