Valves design provides in-line pipe connections for 1/4” to 1/2” pipe sizes. Rising stem & bar stock body design. Metal-to-metal seating achieves buddle-tight shut-off, longer stem/seal life in abrasive flow, greater durability for repeated on/off cycles and excellent corrosion resistance. Stem sleeve and packing gland materials have been carefully chosen to achieve extended thread cycle life and reduced handle torque. Operating temperature range from 0° F(-17°C) to 100°F @ 6000 psi. Available in 316 Stainless Steel, Monel, Duplex & other exotic material. Complete material traceability. Also available with material compliance to NACE MR-01-75. BSPP, BSPT, ISO, Socket & Butt Weld etc. connections available on request. Spindle is thread rolled and burnished for smooth operation and long life. All valves are 100% factory tested with Nitrogen at 70 Bar or Hydro tested at 1.5 times of working pressure. Dust and thread caps are provided as standard. Threads : N=NPT, G=BSPP, R=BSPT, other option on request.