Precision Pipe Fittings & Adapters - General Information

DESIGN

SEALEXCEL precision Instrument pipe fittings and adapters are designed and manufactured to very stringent tolerances under rigid quality control procedures approved to ISO 9001: 2000 to provide leak free connections for chemical, petrochemical, processing plants, oil, gas and power generation industries, etc.

MATERIAL

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 A276Type 316
b)	Forgings	ASME-SA-182316 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.

FEATURES :

» 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	8N	4N	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	4N	4RT	E
Type of Fitting	1st End pipe thread size & type	2nd End pipe thread size & type	Material
Hex Nipple	1/4" NPT	1/4" BSPT	SS316

Example : MA-4-4N/E
MA	4	4N	E
Type of Adapters	Turbo OD	Type & Size of thread	Material
Male Adapter	1/4"	1/4" NPT	SS316

PIPE THREAD INFORMATION

SEALEXCEL pipe fittings are available with NPT (National Pipe Taper), BSP/ISO (British Standard Pipe/International Standards Organisation) and SAE/MS Straight Thread.

Tapered Threads :
Specification(s)		Type		Part No. or/ Suffix Designation	Sealing Method
NPT ANSI B1.20.1		M/F		N	Seal is made on the thread. Thread sealant is required
ISO 7/1 BS 21 JIS B0203 DIN 2999		M/F M/F M/F Male		RT	Seal is made on the thread. Thread sealant is required.

Parallel Threads :
Specification(s)		Type		Part No. or Suffix Designation	Sealing Method
ISO 228/1+2 BS 2779 JIS B0202		Male		RP	Metal-to-metal sealing to DIN 3852, Form B.
ISO 228/1+2 BS 2779 JIS B0202		Male		RS	Utilizes a sealing washer to provide sealing. Reference DIN 3852, Form A.
ISO 228/1+2 BS 2779 JIS B0202		Female		RG	Sealing form meets DIN 3852, Form Y.
BS2779 ISO 228/1+2 with Elastic Sealing		Male		EO	Sealing form meets DIN 3852, Part 2, Form E.
SAE J514		Male		SAE	Sealing with O' Ring

Size Code Description (Inches) Size Code Size Code 1/8 2 3/4 12 1/4 4 7/8 14 3/8 6 1 16 7/16 7 11/16 17 1/2 8 15/16 21 9/16 9     5/8 10

Material Code Description Description of Material Code SS316 E SS316L EL 'O' Ring Viton V 'O' Ring Buna N Viton® is the registered trademark of Dupont.