API 600 Wedge Gate Valves

Valves China description:
Name: flexible wedge gate valve with bypass.
Design: API 600.
Body: ASTM A350 LCB.
Nominal size: 4 Inch.
Nominal class: 600 LB.
Connection ends: RF X RF.
Face to face: ASME B16.10.
Test and inspection: API 598.