Very similar with NF symmetric fittings, DSP hose coupling applied multiple serration and a secured lock-ring. Check with our sales for details. Material aluminum A356 is processed by gravity casting followed by T6 heat treatment. NBR gasket is attached in package.

SIZEHOSEAL
DN40 1½"φ38031410.1
DN40 1½"φ45031411.1
DN65 2½"φ70031413.1
DN100 4"φ110031414.1

DSP hose coupling with ribbed serrated is designed specifically for layflat hose binding. Material aluminum A356 is processed by gravity casting followed by T6 heat treatment. NBR gasket is attached in package.

SIZEHOSEAL
DN40 1½"φ45031411
DN65 2½"φ70031413
DN100 4"φ110031414

DSP female thread adapter is made of aluminum A356 processed by gravity casting followed by T6 heat treatment. NBR gasket is attached in package.

BSPP thread is standard, but no sealing ring is inserted as per the norm.

SIZEAL
DN40 1½"031431
DN40 2" 031432
DN65 2" 031435
DN65 2½"031436
DN100 4"031437

DSP female thread adapter no lock ring is made of aluminum A356 processed by gravity casting followed by T6 heat treatment. Different from Guillemin fittings, DSP no lock ring does have a gasket NBR attached in package.

SIZEAL
DN40 1½"031451
DN40 2"031452
DN65 2"031455
DN65 2½"031456
DN100 4"031457

DSP male thread adapter is made of aluminum A356 processed by gravity casting followed by T6 heat treatment. NBR gasket is attached in package.

SIZEAL
DN40 1½"031421
DN40 2"031422
DN65 2"031425
DN65 2½"031426
DN100 4"031427

DSP male thread adapter no lock ring is made of aluminum A356 processed by gravity casting followed by T6 heat treatment. Different from Guillemin fittings, DSP adapter no lock does have NBR gasket attached in package.

SIZEAL
DN40 1½"031441
DN40 2"031442
DN65 2"031445
DN65 2½"031446
DN100 4"031447

DSP dust cap is made of aluminum A356 processed by gravity casting followed by T6 heat treatment, with steel zinc plated chain and NBR gasket in package.

SIZEAL
DN40 1½"031461
DN65 2½"031463
DN100 4"031464