KFTE VALVE CO., LTD.
KFTE VALVE CO., LTD.

Wafer Ball Valve

Wafer ball valve is characterized by its compact design, which allows it to be installed between two flanges in a piping system. It uses a spherical ball with a hole through the center. When the ball is rotated 90 degrees, the flow is either allowed or blocked. Many wafer ball valves offer a full bore design, meaning the hole in the ball is the same diameter as the pipeline, minimizing pressure drop. wafer ball valves are a versatile, cost-effective, and space-saving solution for controlling flow in various industrial applications. Their compact design and ease of installation make them a popular choice in many industries.

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Features
Structural Drawing

Features for Wafer Ball Valve

Applicable Standards

Size range: API 6D, ISO 17292, BS 5351, API 608

Design: ASME B16.34, EN 12516-2, ISO 14313

Face to face dimension: EN 558 series 100

Max working pressure: 40 bar bidirectional

Flange drilling: PN6, PN10, PN16, PN25, PN 40, ANSI class 150, class 300

Operating temperature: -20 °C ÷ +200 °C (-4 °F ÷ +392 °F)

Leakage class Rate:“A”- No leakage - according to EN 12266-1

Top flange: ISO 5211


Features:

1. Solid full bore ball valve with short face-to-face dimension. For mounting between flanges.

2. The one-piece valve body obtained from precision casting (inox) or from cutout (carb. steel) has a little face to face (flat body) that allows the easy installation of the valve.

3. The stem is anti blow-out and it has an antistatic device.

4. Stem packing adjustable with Chevron rings in P.T.F.E. + carbographite.

5. The seat consists of two rings in P.T.F.E. mounted inside the internal slots of the valve to guarantee the perfect tightening.

Structural Drawing for Wafer Ball Valve

Wafer Ball Valve-Cast Body
Wafer Ball Valve-Forged Body


Material Specification
NO.DESCRIPTIONSS304SS316
1BODYA351 CF8A351 CF8M
2BODY GASKETPTFEPTFE
3SEAT GASKETPTFEPTFE
4CAPA351 CF8A351 CF8M
5BALLA182 F304A182 F316
6ANTISTATIC DEVICESS316SS316
7STEMA182 F304A182 F316
8STEM GASKETPTFEPTFE
9NUTA194 8MA194 8M
10BOLTA193 8MA193 8M
11LOCKING PLATESTAINLESS STEELSTAINLESS STEEL
12GASKETPTFEPTFE
13STEMA182 F304A182 F316
14BOLTA193 B8MA193 B8M
15HANDLESTAINLESS STEEL+PVCSTAINLESS STEEL+PVC
16NUTA194 8MA194 8M
17BELLEVILLE WASHERSS301SS301
18PACKING GALNDA182 F304A182 F316
19PACKINGPTFEPTFE



Material Specification
NO.DESCRIPTIONCARBON STEELSS304SS316
1BODYA105A182 F304A182 F316
2BODY GASKETPTFEPTFEPTFE
3SEATPTFEPTFEPTFE
4CAPA105A182 F304A182 F316
5BALLA182 F304A182 F304A182 F316
6ANTISTATIC DEVICESS316SS316SS316
7STEMA182 F6AA182 F304A182 F316
8STEM GASKETPTFEPTFEPTFE
10PACKINGPTFEPTFEPTFE
11GLANDA105A182 F304A182 F316
12BELLEVILLE WASHERSS301SS301SS301
13STOP SCREWA193 B7A193 B8MA193 B8M
14STOP PLATESTAINLESS STEELSTAINLESS STEELSTAINLESS STEEL
15GLAND NUTA194 2HA194 8MA194 8M
16HANDLESTAINLESS STEEL+PVCSTAINLESS STEEL+PVCSTAINLESS STEEL+PVC


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