General Information

SEALEXCEL® precision Instrument pipe fittings and adapters are designed and manufactured to very stringent tolerances under rigid quality control procedures approved to ISO 9001:2015 to provide leak free connections for chemical, petrochemical, processing plants, oil, gas and power generation industries, etc.


SEALEXCEL® precision pipe fittings and Adapters are available as standard stainless steel 316. The raw materials used confirm to chemical requirements listed in specification below.

a) Bar Stock ASME-SA-479 Type 316-SS
BS970 316-S31
DIN 4401
ASTM A276 Type 316
b) Forging ASME-SA-182 316
BS970 316-S31
DIN 4401

Heat Code Traceability

SEALEXCEL® Stainless steel 316 precision pipe fittings are heat code traceable back to the original mill heat from which it was made.


  • Sizes ranges from 1/8" through 1".
  • Pipe threads are available with,
  • a)  NPT (National Pipe Taper) and exceed the requirement of ANSI B1.20.1.
  • b)  BSP/ISO  (British  Standard  Pipe/International  Standard  Organisation).
  • c)   SAE/MS straight thread.
All  exposed  threads  protected  with  plastic  caps  to  prevent  damage  and  packed  in  sealed,  clear plastic  bag  for  cleanliness.
  •  Working pressures calculated in accordance with power piping code ANSI B31.1 and refiner piping code ANSI B31.3.
  • Straight fittings machined from Bar Stock.
  • Elbows, Tees  and  Crosses  machined  from  close  grain  forgings.

Ordering Information

The  part  number  describes  the  SEALEXCEL® precision  pipe  fittings. Example : For NPT (National Pipe Thread) fittings, Part no : RHN-8N-4N/E

RHN 8 N 4 N E
Type of Fittings 1st End pipe thread size & type 2nd End pipe thread size & type Material
Reducing Hex Nipple 1/2” NPT 1/4” NPT SS316

Example  : For ISO Conversion fittings, Part no : NH-4N-4RT/E

NH 4 N 4 RT E
Type of Fittings 1st End pipe thread size & type 2nd End pipe thread size & type Material
Hex Nipple 1/4” NPT 1/4” BSPT SS316

Part  number  for  Adapters Example  :  MA-4-4N/E

MA 4 4 N E
Type of Adapters Tube OD Type & size of thread Material
Male Adapters 1/4” 1/4” NPT SS316