Male NPT x Tri Clamp Adapters (21MP)

  • NPT to Tri Clamp Adapter
  • Available in 304 & 316L Stainless Steel
  • Tri-Clamp connection on one end and male NPT threaded connection on the other
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Tri-Clamp x Male NPT stainless steel adapter for joining sanitary process lines.

Threaded Male NPT Tri-Clamp Adapters (21MP) are always in stock. Outside Diameter (OD) tube sizes range from 1/2″ – 4″. Products are stainless steel alloy available in both 304 and 316L options. Suitable for use in the food, beverage, dairy and pharmaceutical industries.

Male NPT x Clamp Adapters Part Numbers & Dimensions

Part Number Cross Reference
Sanitary FittingsBradfordAlfa LavalWaukesha CherryVNETop LineAndron®

Male Threaded Clamp Adapter Dimensions

(OD and NPT)
Part NumberDimensions

Questions and answers of the customers

  1. A NPS = National Pipe Straight NPT = National Pipe ThreadBoth NPT and NPS have the same thread angle, shape, and pitch (threads per inch). However, NPT threads are tapered and NPS threads are straight (parallel). Both threads have a 60° included angle and have flat peaks and valleys.Tapered Pipe Thread is commonly found on ends of pipe, nipples and fittings (i.e. couplings, elbows, tees, etc.). Note: Sharply angled threads are very critical to joint being tight with no leaks. Thread sealant or tape is typically required to complete the seal. Straight Pipe Threads need a gasket or O-ring to create a seal.While NPT and NPS threads will engage, they do not seal properly with each other.
  2. A Different size combinations are available however these items are not stocked and the typical lead time for these products is about 1 - 2 weeks. Please call us for special orders and we'll let you know what we can do for timing and pricing. Thanks!