Valves :equipment and related in china .
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L&A specialized in various Fluid End Module for a long time. Products adopt advanced process with steady reliable quality, conforming to API spec .7k.
DM Type Mud Valve, or Sluice Valve, as it is sometimes known, is a valve that opens by lifting a round or rectangular gate/wedge out of the path of the fluid. The distinct feature of a gate valve is the sealing surfaces between the gate ...
Wafer type butterfly valve:
size:DN50-DN1200
body:WCB
pressure:PN16-PN40
operated type:gear box
Swing check valve:
size:DN50-DN600
body:WCB
rate:class 150-class 600
Globe valve:
size:DN50-DN800
rate:class 150-class 1500
body:WCB
connection type:Flanged
Gate valve:
size:2"-32"
body:WCB
rate:class 150-1500
operated type:handwheel,bevel gear
Through conduit knife gate valve:
size:DN50-DN600
body:ductile iron(GGG40),Stainless steel(CF8,CF8M)
pressure:PN10
gate:SS304
seat:EPDM
Butterfly valve:
size:2"-48"
body:WCB
pressure:P10-PN16
operated type:gear box
connection type:butt weld
Stainless steel knife gate valve:
body:CF8,CF8M...
size:2"-25"
pressure:PN10/PN16
gate:SS304,SS316,SS316L
stem:SS420,SS304.SS316
seat:EPDM,Viton,Metal
Knife gate valve:
body:Ductile iron(GGG40)
size:2"-24"
rate:class 150Lb
gate:SS304,ss316,ss316L
seat:EPDM,Metal,Viton...
operated type:handwheel.pneumatic,bevel gear
The 2W (UD/UW) series zero differential valves have the thread size
range from 1/8” to 2”. AirTOP started the production when it is
established. AirTOP has two types of these valves: brass body valves and
stainless steel body valves ...
100-400 series directional valves are 2/5, 3/5, 2/3 ways, with thread
size ranges from 1/8” to 1/2”.Various wiring forms are optional:
standard connector type, lighting connector type and lead wire type.
Summarize:Drip in check valve is blowout preventer of drillinig stem . The valve body connect on the drilling stem. Drip in check valve is ball and seat of heavy duty, if onlu drip in then.valve core at the mouth of the well ...
Arrow type check valve (check valve of drilling pipe) used to be installed between drill stem and bit to prevent drilling fluid backflow from the bottom. at special circumstances theArrow type check valve with flooding set connect ...
The Top Drive Valve is made from special high quality alloy steel,fully heat treated and machined to meet or exceed API specification. Its one-piece body design ensures maxinmun strength for safety and reliability. ...