• Jowin has CNC machines, welding and polish workshop that makes Custom Fabrication Available

  • Large selection of products and inventory

  • QC team, complete testing equipment

  • Exceptional customer service whatever consult or warranty

JOWIN Service Capabilities

All regular products, No order minimums quantity . Customized parts fast delivery time .

  • How to Measure Fitting Threads

    Jowin sells BSP and NPT threaded fittings often . An I.D / O.D. caliper are necessary to makeย accurate measurements of commonly used connectors.

    How to Measure Pipe Size for NPT (National Pipe Taper) or BSP (British Standard Pipe) Threads 
  • How to Determine Tri Clamp Fittings

    A tri clamp fitting consists of 2 ferrules fastened together by a clamp with a gasket. The tri clamp size is identified by measuring theoutside diameter of the pipe.ย  It is often mistaken that the outside diameter of the flange end, or otherwise known as ferrule, is interpreted as the size of the tri-clamp but that is not the case. To add to the confusion a 1/2โ€ and 3/4" use the same size ferrule and clamp and the same is true for 1โ€ and 1.5โ€ tri-clamps .

    Tri Clamp Fitting Dimensions Guide