DIN Gate Valves Series

Applicable/Product standards: Steel gate valves accoring to: DIN 3352 Steel gate valves: ISO 10434 / ISO 14313 Steel valves: ASME B16.34 Face to face is according to: DIN 3202 F4/F5/F7/F12 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 of DIN3352 ·Inspection and Test: accord with 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 sluice 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 gate valve is the sealing surfaces between the gate and seats are planar.
The gate faces can form a wedge shape or they can be parallel.
Typical gate valves should never be used for regulating flow, unless they are specifically designed for that purpose.
On opening the gate 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 gate valves are designed to be fully opened or closed.
When fully open, the typical gate valve has no obstruction in the flow path, resulting in very low friction loss.

WINDMILL 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.

WINDMILL Gate Valve Picture:

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