BW Forged Steel Check Valve
Design Features:
Pressure Range: Class 150 ~ 2500
Nominal Size Range: DN 50 ~ 900, NPS 2″ ~ 36″
Connection: Flange (RF, FF, RTJ), Butt Welded (BW), Socket Welded (SW)
Bolted Bonnet (BB) Cover
Swing Type, Anti-Rotation Disc
Renewable seat rings
Design Specifications:
Design: API602, BS5352
Pressure-temperature rating: ASME B16.34
Face-to-face dimensions for butt weld and flanged valves: MSS SP-84
Flange design: ASME B16.5
Butt welding design: ASME B16.25
Socket welding design:ASME B16.11
All valves are designed to comply with the requirements of ASME B16.34, and the ASME as well as customers’ requirements as applicable.
Body Material:
A105, F11, F316, F304, F316L, F304L, LF2
Quality Assurance (QA):
Every step from procurement through production, welding, assembly, testing, and packaging is in accordance with quality programs and procedures (ASME Section III manual and ISO 9001 manual).
Quality Control (QC):
The QC is responsible for all aspects of quality, from receiving of material to control of machining, welding, nondestructive examination, assembly, pressure testing, cleaning, painting, and packaging.
Pressure Testing:
Gangye valve is pressure tested in accordance with ASME B16.34, API 598, or special customers’ requirements as applicable.