Product Description
SOR 9NN-K4-N4-FIA-TTX371
The SOR 9NN-K4-N4-FIA-TTX371 is a compact, hermetically sealed pressure switch from the renowned Mini-Hermet series. Engineered for reliability and durability, this device is constructed with 316 stainless steel wetted parts and housing, ensuring excellent corrosion resistance in harsh industrial environments. Its hermetically sealed design protects the internal switching mechanism from moisture, dust, and corrosive gases, making it an ideal choice for applications in hazardous locations. This model is specifically designed for precise pressure monitoring and control where space is limited but performance cannot be compromised. The combination of its adjustable range, robust materials, and safety approvals makes it a versatile solution for the oil & gas, chemical, and power generation industries.
Technical Specifications:
- Model Series: 9NN Mini-Hermet
- Adjustable Range (K4): 15 to 150 psi (1 to 10.3 bar)
- Wetted Parts Material (N4): 316 Stainless Steel Port and Diaphragm
- Housing: Hermetically Sealed 316 Stainless Steel
- Switch Output: SPDT (Single Pole, Double Throw)
- Approvals (FIA): FM & CSA approved for hazardous locations (Class I, Groups B, C, D; Class II, Groups E, F, G; Class III)
- Special Features (TTX371): Custom factory configuration, may indicate high-temperature options or specific customer requirements.

SOR 9NN-K4-N4-FIA-TTX371
Discover the SOR 9NN-K4-N4-FIA-TTX371, a compact, hermetically sealed pressure switch with a 15-150 psi range. Featuring 316SS construction and FM/CSA hazardous location approvals, it’s perfect for reliable pressure control in demanding industrial applications.






