Bronze swing check valve BS 5154 PN20 series B, metal disk

specification
• BS5154 PN20 series B
• horizontal or vertical fixing (upward flow only)
• metal seat and swing type metal disc
• body arrow indicates direction of flow
• bronze (gunmetal) body
• taper threaded BS EN 10226 (ISO 7-1)
• ANSI (NPT) American taper thread (AT)
• BS2779 parallel thread (PT)

Material specification:
Body: Bronze Gunmetal)
Hinge nut: Brass CW614N
Disc: Bronze (Gunmetal)CC491K4
Hinge: Brass CW617N5
Hinge pin: Stainless steel
Cap: Bronze (Gunmetal)CC491K7
Name plate: Aluminium
Rivet: Steel