API 6D Gate Valve

Specifications

 API 6D Gate Valve

Gate valve is a equipment which is to connect and stop the pipe medium to open and close,it widely used for petroleum chemistry, firepower power station and oil product,steaming pipeline.

feature:

compact structure ,reasonable design, good rigidity,smooth channel; sealing face adopt the stainless steel and hard alloy, working life is long; adopt flexible graphite filler,seal reliable, portable and flexible operation; type of drive is manual,pneumatic,electric,gear drive;type of structure is elastic wedge single gate, rigid wedge single slide, parallel double plate.

design,manufacture standard:

rigid valve design standard: API 600,API 602,API 6D,BS 1414,BS5352,ISO 15761,ASME B16.34GB/T 12224,GB/T 12234,GB/T 12224,GB/T 12234
structure length standard: ASME B16.10
side flange standard: ASME B16.5(for NPS≤24,not include 22),MSS SP-44(for NPS=22)ASME B16.47(for NPS>24)
butting standard: ASME B16.25
Socket weld end standard: ASME B16.11

thread end of standard: ASME B1.20.1
text standard: API 598/API 6D
design/product description
optional rigid or flexible gate; seal against the seat design; stem of the T-head design; rising stem design; replaceable or welding seat, can also be the body welding
stainless steel or hard alloy; full-bore design
body cover seal:150LB adopt strong graphite gaskets,300lb-800lb adopt stainless steel strip wound graphite gaskets,900lb and above adopt the metal pad ring, also can use pressure self-sealing structure,pattern of operation can be handed wheel,gear box,electric devices or pneumatic devices.