Front Ferrule

Application Industries

Front Ferrule

The Front Ferrule is the primary sealing component of a double ferrule tube fitting system. It is specifically designed to create a strong, leak-proof metal-to-metal seal between the tubing and the fitting body while ensuring excellent pressure integrity. During installation, the front ferrule is driven forward by the back ferrule and compresses uniformly around the outer diameter of the tube, providing a reliable seal without damaging the tubing.

Manufactured from premium-grade stainless steel and other corrosion-resistant alloys, the Front Ferrule is engineered for high-pressure, high-temperature, and vibration-intensive applications. Its precision-machined geometry ensures consistent performance, easy installation, and dependable sealing in demanding industrial environments.

The Front Ferrule is widely used in instrumentation systems, hydraulic systems, pneumatic systems, process control, chemical processing, oil & gas, power generation, pharmaceuticals, semiconductor manufacturing, food & beverage processing, and laboratory applications where leak-free performance and system reliability are critical.

Designed to work exclusively with the corresponding Back Ferrule and fitting body, the Front Ferrule provides excellent resistance to pressure fluctuations, thermal cycling, and mechanical vibration. Its robust construction minimizes the risk of leakage while maintaining long-term sealing performance under harsh operating conditions.

Specification Sheet

Technical Specifications

Grade
Material Grade
S.S. S.S. 304, S.S. 304L, S.S. 316, S.S. 316L, S.S. 310, S.S. 321, S.S. 347
DUPLEX S32205, S31803, S32304, S32202
MONEL MONEL 400, MONEL K-500
INCONEL INCONEL 600, INCONEL 625, INCONEL 800, INCONEL 825
HASTELLOY HASTELLOY C-276, HASTELLOY C-22
Size 24" to 96" or custom
Pressure Rating
  • 3000 PSI Instrumentation Fittings
  • 6000 PSI Instrumentation Fittings
  • 10000 PSI Instrumentation Fittings
  • 15000 PSI Instrumentation Fittings
  • 20000 PSI Instrumentation Fittings
Threads
  • NPT (ASME B1.20.1, MILL-P-71058)
  • ISO Parallel - BSPP (BS 2779, ISO 228, JIS B 0202)
  • ISO Tapered - BSPT (BS 21, ISO 7, JIS B 0203)
  • ISO / BSP (Gauge) (ISO 228, BS 2779)
Features
  • Easy to disconnect and retighten.
  • Available in wide configurations
  • Various Sizes
  • Best choice for instrumentations, process & control systems
  • Zero leakage even under tough working conditions
  • Gaugeable Bodies
  • Excellent gas-tight seal
  • Leak-proof joints capable of satisfying high pressure vacuum and vibration application
Specification ASTM/ASME A/SA A182, A193, A194, A167, A213, A240, A249, A269, A270, A276, A264, A271, A312, A313, A314, A320, A336, A358, A368, A376, A403, A851, A826, A831, A895, A908, A409, A430, A473, A478, A479, A492, A493, A582, A632, A666, A688, A774, A793, A480, A519, A554, A580, A511, A581, A778, A813, A814, A943, A965, A988, A924, A903 etc.