API 600 CAST GATE VALVE DESCRIPTION

The two opening ways for medium flowing in and out are at the same direction, forming an angle of 180°. This kind of globe valve makes the destructiveness of flowing state be relative less, thus reducing the pressure loss caused by the vale correspondingly.

PRODUCT RANGE

Size: 2” to 60”

Pressure Classes: ASME 150# to 2500#

End connection: RF, RTJ, BW

Temperature Range: ‐46°C to 560°C

DESIGN FEATURES

Design standard as per: BS1873

Generally, lift is just 1/4 of the valve seat port, ensuring a short Opening/closing time.
Only one sealing face exists on the valve body and disc.

For large size valves will be designed with main disc and vice disc type, and medium flow from up disc to down disc.

The valve is designed as a back seat sealing structure.

Use flexible and woven graphite collaboration type packing.

MATERIAL SELECTION

– CS (ASTM A216 WCB,WCC,WC6,WC9), LTCS (ASTM A352 LCB,LCC,LC1,LC2,LC3)

– Austenitic SS304 (ASTM A351 CF8), SS316 (ASTM A351 CF8M),SS304L(ASTM A351 CF3),SS316L(ASTM A351 CF3M)

– Duplex SS (ASTM A8904A,5A,6A)

– Alloy 625(UNS N06625)

– Alloy 825(UNS N08825)

– Special alloy material(CW6MC)