Pressure Range: Class 150 ~ 2500
Nominal Size Range: DN 15 ~ 900, NPS 1/2″ ~ 36″
Connection: Flange (RF, FF, RTJ), Butt Welded (BW), Socket Welded (SW), Threaded (NPT), Screwed
Full Port Design
Out Side Screw and York (OS & Y)
Bolted Bonnet (BB)
Rising Stem or Non-Rising Stem Hand Wheel
Renewable seat rings
Knife Gate Valve design according to MSS SP-81
– Face to face MSS SP-81/DIN3202-K1
– End Connection ASME B16.5/ASME B16.47/JIS B2220
– Inspection and test ISO 5208/MSS SP-81
All valves are designed to comply with the requirements of ASME B16.34, and the ASME as well as customers’ requirements as applicable.
A216-WCB (Carbon Steel), A217-WC6 (1-1/4Cr-1/2Mo), A217-WC9 (2-1⁄4Cr–1Mo), A217-C5 (5Cr–1⁄2Mo), A217-C12 (9Cr–1Mo), A352-LCB (Carbon Steel), A352-LCC (Carbon Steel), A351-CF8M (18Cr–9Ni–2Mo), A351-CF3M (18Cr–9Ni–2Mo)
Gear, Electric, Cylinder, Pneumatic, Hydraulic, Hand wheel, Chain wheels
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.
Gangye valve is pressure tested in accordance with ASME B16.34, API 598, or special customers’ requirements as applicable.