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DIN Gate Valves Series
Applicable/Product standards:
DIN steel Gate valve: according to: DIN 3352
DIN steel gate valves: ISO 10434 / ISO 14313
DIN steel gate valves: ASME B16.34
DIN steel gate valves Face to face is according to: DIN 3202 F4/F5/F7/F12
DIN steel gate valves Flanges Ends: DIN 2543, DIN 2544, DIN 2545, DIN2546
Butt Welding Ends: DIN
Inspection and Testing: DIN3230 / API 598 / API 6D
Design/Production Description:
Meet design requirements: DIN3352
Inspection and Test: API 598
Full range of body/bonnet & trim materials
Choice of solid, flexible or split wedge design
Back seating design
Upset forged T-head stem design
OS&Y construction
Renewable seat rings--seal welded
Full port design
Full length wedge guides
Optional impact hand wheel
Optional lengthen stem
Gate Valve Series
A gate valve, also known as a control valve, 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 control valve is the sealing surfaces between the gate and seats are planar.
The control valve faces can form a wedge shape or they can be parallel.
Typical control valves should never be used for regulating flow, unless they are specifically designed for that purpose.
On opening the control valve, the flow path is enlarged in a highly nonlinear manner with respect to percent of opening.
This means that flow rate does not change evenly with stem travel. Also, a partially open gate disk tends to vibrate from the fluid flow.
Most of the flow change occurs near shutoff with a relatively high fluid velocity causing disk and seat wear and eventual leakage if used to regulate flow.
Typical control valves are designed to be fully opened or closed.
When fully open, the typical control valve has no obstruction in the flow path, resulting in very low friction loss.
ZRIND Gate Valve Feature:
Full Port Design
OS&Y,Outside Screw and Yoke
BB,Bolted Bonnet
PSB,Pressure Seal Bonnet
Flexible Wedge, Fully Guided
Choice of Solid or Split Wedge
Size: DN40-DN1200
Pressure: PN6, PN16, PN25, PN40, PN63(64), PN100, PN160, PN250, PN320, PN400
Connection: Flanges,RTJ Flange,Butt Weld,Groove
Material:
Carbon Steel, Forged Steel, Stainless Steel: WCB,LCB,LCC,LC1,CF8,CF8M,CF3,CF3M,WC6,WC9, C5,C12,C12A
Specifical Material:
Duplex Steel, Super Duplex Steel, Inconel: GR4A, GR6A, CY-40, Inconel 600
Operate: Handwheel, Wormgear, Gearbox, Penumatic Actuator, Electric Actuator, Hydraulic Actuator.
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