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Female and Male Check Valve — Product Photograph

HAL-LOK

Female and Male Check Valve

SKU 12NFM-SS-LC-CRACK-0D1

Fluid & Gas Control

Model and Connection Size

Opening Pressure

Female and Male Check Valve. Select the documented size and construction for quotation.

Features:

  • Working pressures up to 3000 psig (207 bar)

  • Inline check valve stops reversed flow in order to protect instrument

  • Arrow on body indicates flow direction,easy to install

  • Connection type:Tube End and Male/Female Thread



Technical specification

Model Connection Size Connection Size Dimensions.mm Dimensions.mm
Model Internal Thread External Thread A W
4NFM-SS NPT1/4 NPT1/4 60 19
6NFM-SS NPT3/8 NPT3/8 78 23
8NFM-SS NPT1/2 NPT1/2 92 27.5
12NFM-SS NPT3/4 NPT3/4 106 33
4RFM-SS RC1/4 RC1/4 60 19
6RFM-SS RC3/8 RC3/8 78 23
8RFM-SS RC1/2 RC1/2 92 27.5
12RFM-SS RC3/4 RC3/4 106 33

Models, sizes and drawing dimensions

Catalogue basic reference Specification
12NFM-SS Connection Size / Internal Thread: NPT3/4; Connection Size / External Thread: NPT3/4; Dimensions.mm / A: 106; Dimensions.mm / W: 33
12RFM-SS Connection Size / Internal Thread: RC3/4; Connection Size / External Thread: RC3/4; Dimensions.mm / A: 106; Dimensions.mm / W: 33
4NFM-SS Connection Size / Internal Thread: NPT1/4; Connection Size / External Thread: NPT1/4; Dimensions.mm / A: 60; Dimensions.mm / W: 19
4RFM-SS Connection Size / Internal Thread: RC1/4; Connection Size / External Thread: RC1/4; Dimensions.mm / A: 60; Dimensions.mm / W: 19
6NFM-SS Connection Size / Internal Thread: NPT3/8; Connection Size / External Thread: NPT3/8; Dimensions.mm / A: 78; Dimensions.mm / W: 23
6RFM-SS Connection Size / Internal Thread: RC3/8; Connection Size / External Thread: RC3/8; Dimensions.mm / A: 78; Dimensions.mm / W: 23
8NFM-SS Connection Size / Internal Thread: NPT1/2; Connection Size / External Thread: NPT1/2; Dimensions.mm / A: 92; Dimensions.mm / W: 27.5
8RFM-SS Connection Size / Internal Thread: RC1/2; Connection Size / External Thread: RC1/2; Dimensions.mm / A: 92; Dimensions.mm / W: 27.5

Available options

Option Values
Material 316 Stainless Steel
Opening pressure 0.1 bar | 0.2 bar (default) | 0.5 bar

Ordering notes

  • Internal LABCON suffix identifies the opening-pressure choice.

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

ModelFemale and Male Check Valve