Flange ball valve KFK-C

Technical Description

The KFK-C type ball valve consists of a 3-piece body, and from DN 50, a 2-piece body. Up to nominal diameter DN 50, the flange is screwed into the body. From nominal diameter DN 65, the two body parts are flanged together. The stem is blow-out proof and, from nominal diameter DN 32, is equipped with a double O-ring seal.
Ball valves with DVGW approval PN 40 are supplied with a manual gearbox from nominal diameter DN 150.

Technical Data

Design Type

25 – PN 10 according to DIN EN 1092-1
26 – PN 16 according to DIN EN 1092-1
27 – PN 25 according to DIN EN 1092-1
28 – PN 40 according to DIN EN 1092-1

Connection Types

DIN flange

Nominal diameter

DN 10-250

Material

Steel

Pressure Ratings

PN max. 40

Face-to-Face Dimensions

DIN EN 558 FTF basic series 27 (formerly: DIN 3202-1 series F4)

Approvals

Series 26, 28: DVGW for gas
Series 27: DVGW for gas (up to DN 150)
TÜV component mark
TA Luft (Technical Instructions on Air Quality Control)

Temperature Range

Standard: -10°C to +150°C; DVGW -20°C to +60°C
On request: -50°C to +250°C

Application Range

Liquids: Fluid group 1 and 2 in accordance with PED 2014/68/EU Article 13
Gases: Fluid group 1 and 2 in accordance with PED 2014/68/EU Article 13
Resistance to the flow medium must always be ensured.

Other product categories

2-way ball valves with threaded connection

DN 4 – 100, max. PN 2,500

2-way ball valves with flange connection

DN 10 – 300 mm, max. PN 400

2-way ball valves with SAE flange connection

DN 15 – 80, max. PN 420

2-Way Ball Valves with Butt Weld Ends

DN 10 – 300, max. PN 500

Ball valves for manifold mounting

DN 6 - 25, max. PN 500

3-way selector ball valves

DN 4 – 100, max. PN 500

Multi-way ball valves

DN 4 – 80, max. PN 500

Ball valves with plug-in connection

DN 6 – 100, max. PN 500

Mining programme

DN 10 – 100, max. PN 500

Special Programme

Special designs

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von Scheven – Applications
Always a step ahead

Hydrogen applications

Maritime applications

Fire extinguishing systems

Energy & power plants

Petro-
chemistry

Mining
equipment

News. Info. Trade fair dates.

All the latest news from von Scheven.

All news from von Scheven at a glance: In our news section, we provide information on current developments, product innovations, and exciting insights into our ball valve manufacturing facility. Additionally, you will find all important trade fair dates and events here, where you can experience von Scheven personally.

News

15.07.2026

Delivery of ball valves for H2 electrolyzer pilot plant in Austria

News

18.02.2021

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News

20.01.2021

2-Way Ball Valves with Threaded Connection