Forged brass full way gate valve. BS 5154 PN20 series B.

Materials
Component Material
Body Forged brass (1/4" to 2") Gravity die-cast brass (2.1\2" to 4")
Bonnet Forged brass 1\4" to 3") Gravity die-cast brass (4")
Stem Brass Bar
Wedge Forged brass (1\4" to 2.1\2") Gravity die-cast brass (3" to 4")
Stem Ring Brass Bar
Gland Brass Bar
Gland Nut Brass bar (1\4" to 1") Forged brass (1.1\4" to 4")
Handwheel Aluminium
Handwheel Nut Brass Bar
Gland Packing PTFE
Rating Disc Aluminium
Lockshield Brass bar

specification
• BS5154 PN20 series B
• non-rising stem
• high quality lubricated packing
• 1⁄2” to 4” sizes
• solid brass wedge
• can be re-packed under pressure
• forged brass body
• ISO7-1Rc taper thread BS EN 10226
• ANSI (NPT) American taper thread (AT)
• BS2779 parallel thread (PT)