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EN593 DN1000 PN10 U Section Butterfly Valve, Flanged, Worm Gearbox
Lugged Butterfly Valve
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U flange Butterfly Valve.jpg
U flange Butterfly Valve.jpg

EN593 DN1000 PN10 U Section Butterfly Valve, Flanged, Worm Gearbox

DN1000 butterfly valve is built for long-term reliability in large‑diameter water transmission and distribution networks. Manufactured to EN593 standards, U flanged butterfly valve features a flanged ductile iron (GGG40) body with FBE coating for excellent corrosion resistance. Its U‑section disc ensures optimized flow, low turbulence and reduced pressure drop, ideal for municipal water, power plant cooling and industrial systems. Fitted with EPDM seat for bubble‑tight sealing, it is operated by a heavy‑duty worm gearbox with position indication. Each valve is hydrostatically tested per EN12266 before delivery, making it a robust solution for water treatment plants and transmission mains.

  • Series KF-SFL-U
  • Type Concentric Resilient Seal
  • Size DN1000mm, NPS 40”
  • Design Standard EN 593
  • Pressure Rating PN10
  • Certificate ISO, CE, WRAS, ACS
  • Sample Available
  • Service OEM & ODM

Features

Double Flange Type

Simple structure & Stable connection

Seat Design

Replaceable valve seat

Operation Cycles

Over 30,000 times

Leakage Level

Bubbles-tight sealing with no leakage

Low Torque

Operation easy and flexible

Bidirectional Sealing

Any installation position

Low Flow Resistance

Improve fluid efficiency and reduce energy consumption

Rich Sealing Materials

Rich variety over 5 types

Coating Grade

Conventional and special conditions of C1-C5 & CX

Certificates

ISO9001, CE, WRAS, ACS

Specifications

Design Standard

EN 593

Top Flange Standard

ISO 5211

End Flange Standard

EN 1092 PN6/10/16

Face to Face Dimension

EN 558-1 Series 20

Testing Standard

API 598, EN12266

Temperature

-20℃~120℃(depends on the sealing material)

Body Material

Ductile Iron: GGG40, GGG50, ASME A536, ASME A395

Disc Material

Ductile Iron + Ni / FBE / Nylon / Halar / Rubber

Shaft Material

Stainless Steel, Inconel

Seat Material

EPDM, NBR, WRAS EPDM, VITON, Silicone

Operator

Lever, Gearbox, Pneumatic, Electric Actuator

Dimension

DN1200 PN10 U Type Flanged Butterfly Valve

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PRODUCT OVERVIEW

U Type Flange Butterfly Valve

The U-Type Flange Butterfly Valve is a compact, reliable valve for flow isolation and control in industrial and water pipelines. Its U-type flange body is lightweight and space-saving, with dependable sealing. A concentric disc-and-shaft design and elastomeric seat ensure reliable shutoff for common liquids and gases. Simple construction allows easy operation, maintenance, and actuator installation

It supports manual lever, worm gearbox, pneumatic, or electric actuation for manual or automated systems. Applications include water supply/distribution, wastewater, HVAC/chilled water, cooling water, industrial water/piping, fire protection, marine, air/low-pressure gas, and utility pipelines.

Body, disc, shaft, and seat materials can be customized for the medium, temperature, pressure, and corrosion conditions.

WRAS
Approved for Drinking Water
Concentric
Simpler Design, Better Cost Efficiency
OEM
Customized Valve Solutions
DN1000 PN10 U type flange butterfly valve

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FAQ

Frequently Asked Questions​​​

Everything you need to know about double eccentric butterfly valves, including design features, materials, applications and performance.

What is a U Section Flanged Butterfly Valve?

A U Section Flanged Butterfly Valve is a flanged butterfly valve featuring a U-section body design. It provides a compact structure, reliable sealing, and efficient flow control for industrial and water pipeline systems.

Is this butterfly valve designed according to EN 593?

Yes. The valve is designed in accordance with EN 593, which specifies requirements for industrial metallic butterfly valves, including design, construction, and functional characteristics.

What is the advantage of the U Section valve body design?

The U-section body provides a robust and compact construction while maintaining a relatively low flow resistance. It is suitable for applications requiring reliable shut-off and frequent pipeline operation.

What pipeline connection does the valve use?

The valve uses a flanged connection, making it suitable for installation between matching pipeline flanges. Flange dimensions and drilling can be customized according to the required standard and pressure class.

What media can this butterfly valve handle?

The valve can be configured for water, air, wastewater, and other compatible industrial fluids. The appropriate disc and seat materials should be selected according to the medium, temperature, pressure, and corrosion conditions.

flange butterfly valve - kefa valve

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