Ashcroft 104 Inline Threaded Diaphragm Seal

Specifications, certifications, and technical data for this inline threaded diaphragm seal include a process connection size of 1/4 to 1 NPT, an instrument connection of 1/8 NPT female, a standard tolerance of 0.5% typical, an in-line thread style, and a nominal pressure rating of 2500 psi. It is certified for use with oxygen gas, meets CRN, GOST, and NACE standards, and has undergone hydrostatic/ pneumatic testing and mass spectrometer leak testing. It also features positive material identification and typical material certification. Technical data includes drawings and information on diaphragm seals, temperature error, fluid filling, and corrective measures. Important: Consult the Mn/Mx guide (PI page) when selecting a diaphragm seal or isolation ring. Ashcroft offers a material selector, unit converter, and detailed product information pages. You can request a quote, configure a part number, ask an expert, and explore related products like the 1279 Duragauge Pressure Gauge. Ashcroft is a reliable source for pressure, temperature, and test instruments worldwide.

• Product Specifications & Certifications: Technical Data & Instructions
• Technical Information & Product Details
• Process Connection Size: 1/4 to 1 NPT
• Instrument Connection: 1/4 NPT Female
• Added Tolerance: 0.5% Typical
• Connection Style: In-Line Threaded
• Nominal Pressure: 2500 psi
• Certifications & Approvals
• Cleaned for Oxygen Service
• CRN
• GOST
• Hydrostatic/Nematic Test
• Mass Spectrometer Leak Test
• NACE
• Material Identification Positive (IMP)