Wesmec Instrument Pipe Fittings are manufactured with high quality NPT tapered threads in a wide variety of configurations to provide broad application capabilities. Ratings and specifications are as follows :
Threads utilized on Wesmec Instrument Pipe Fittings are National Pipe Taper (NPT ) which exceed the requirements of ANSI B1.20.1
Pressure Rating :
Pressure Ratings for temperatures up to 100o F are identified for each individual pipe fitting in the dimensional data charts.
Temperatures noted below apply to basic fitting capabilities. In all cases consideration must also be given to the type of thread sealant used. For example, teflon tape has a maximum temperature rating of 450o F. 316 Stainless Steel : -325o F to 1200 o F ( – 198oC to 648o C ) Brass : -325oF to 400o F ( -198o C to 204o C ).
Wesmec Instrument Pipe Fittings are available as standard in Brass and 316 Stainless Steel. The current price list indicates those items that are available as standard. Wesmec Pipe Fittings can also be supplied in other materials including Monel, Hastelloy C, Inconel and Titanium, and in special shapes. Contact your local Wesmec distributor for further information. Specifications for standard materials are : 316 Stainless Steel Forgings : ASTM A – 182 316 Stainless Steel Bar Stock : ASTM A- 479 Brass Forgings, Alloy 377 : QQ -B-626 Brass Bar Stock, Alloy 353 : ASTM B – 453 or Alloy 360 : QQ – B- 626.
Wesmec pipe fitting part numbering :
The part numbering system for Wesmec Instrument Pipe Fittings is completely descriptive and easily understood.
Assembly instructions :
To ensure a leak – tight seal, the use of a pipe thread sealant is recommended. One commonly utilized technique is Teflon Tape. The chart below provides information regarding the Recommended Tape Width and the approximate number of threads which should be wrapped. Note that Pipe Thread Sealants may have lower temperature capabilities than the basic fitting.