KNIFE GATE VALVES

Equipped with the unique Wey sealing system, our knife gate valves are suitable for the most demanding of applications. They can handle a variety of differential pressure scenarios and abrasive and corrosive materials, not to mention extreme temperatures. They are available in different materials and come with multiple options.

Knife Gate Valve
features Wey knife gate valves
50 –
2000 mm

Nominal size
10 mbar abs. –
100 bar

Pressure rating
more than
100

Material options

Product series

All products
Knife gate valves
Butterfly valves
Control gates
Standards
Standards
DIN
ANSI
mm
inch
bar
psi
Design
Check valve
Centric butterfly valve
Double eccentric butterfly valve
Sluice gate
Stop log
Stop gate

Case shape
Wafer type body
Lug type body
Double flange body

Nominal sizes
0 mm
25 mm
32 mm
40 mm
50 mm
65 mm
80 mm
100 mm
125 mm
150 mm
200 mm
250 mm
300 mm
350 mm
400 mm
450 mm
500 mm
600 mm
650 mm
700 mm
750 mm
800 mm
900 mm
1000 mm
1050 mm
1200 mm
1400 mm
1500 mm
1600 mm
1800 mm
2000 mm


Material
Stainless steel
Cast iron
Ductile iron
Cast steel
Austenitic cast iron
Carbon steel
Cast tin-bronze
Cast aluminum-bronze
Cast aluminium
Special material

Pressure rating
0 bar
1 bar
2 bar
2.5 bar
3 bar
4 bar
10 bar
16 bar
25 bar
50 bar
100 bar


Flange drilling
PN6
PN10
PN16
PN25
PN40
PN63
PN100
ANSI Class 150
ANSI Class 300
ANSI Class 600
BS10-D
BS10-E
AS2129-D
AS2129-E
DIN 11864-2
Special flange

Face to face dimension
EN 558 series 13
EN 558 series 14
EN 558 series 16
EN 558 series 20
EN 558 series 48
MSS-SP81
MSS-SP135 Class 150 short
MSS-SP135 Class 150 long
MSS-SP135 Class 300 short
MSS-SP135 Class 300 long
Special length

Width
0 mm
100 mm
150 mm
200 mm
500 mm
1000 mm
1200 mm
5000 mm
6400 mm


Head of water
0 m
0.15 m
1.20 m
4 m
5 m
6 m
15 m


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VN Series

VN Series
Design: Case shape: Nominal sizes: 50 – 1400 mm Material: Stainless steel, Cast iron, Special material Pressure rating: 0 – 10 bar Flange drilling: PN10, BS10-D, BS10-E, AS2129-D, AS2129-E Face to face dimension: EN 558 series 20 Width: mm Head of water: m VN Series

VS Series

VS Series
Design: Case shape: Nominal sizes: 50 – 900 mm Material: Stainless steel, Special material Pressure rating: 0 – 10 bar Flange drilling: ANSI Class 150 Face to face dimension: MSS-SP81 Width: mm Head of water: m VS Series

VG Series

VG Series
Design: Case shape: Nominal sizes: 150 – 200 mm Material: Cast iron Pressure rating: 0 – 4 bar Flange drilling: Special flange Face to face dimension: EN 558 series 20 Width: mm Head of water: m VG Series

VL Series

VL Series
Design: Case shape: Nominal sizes: 50 – 900 mm Material: Stainless steel, Special material Pressure rating: 0 – 10 bar Flange drilling: ANSI Class 150 Face to face dimension: MSS-SP81 Width: mm Head of water: m VL Series

VM Series

VM Series
Design: Case shape: Nominal sizes: 50 – 650 mm Material: Ductile iron Pressure rating: 0 – 10 bar Flange drilling: ANSI Class 150 Face to face dimension: MSS-SP81 Width: mm Head of water: m VM Series

MF Series

MF Series
Design: Case shape: Nominal sizes: 50 – 2000 mm Material: Cast iron, Ductile iron Pressure rating: 0 – 10 bar Flange drilling: PN6, PN10, PN16, ANSI Class 150, BS10-D, BS10-E, AS2129-D, AS2129-E Face to face dimension: EN 558 series 20 Width: mm Head of water: m MF Series

MG Series

MG Series
Design: Case shape: Nominal sizes: 50 – 600 mm Material: Stainless steel, Ductile iron, Special material Pressure rating: 0 – 16 bar Flange drilling: PN10, PN16, ANSI Class 150, BS10-D, BS10-E, AS2129-D, AS2129-E Face to face dimension: EN 558 series 20 Width: mm Head of water: m MG Series

MH Series

MH Series
Design: Case shape: Nominal sizes: 100 – 400 mm Material: Stainless steel, Ductile iron, Special material Pressure rating: 0 – 25 bar Flange drilling: PN25, ANSI Class 150, ANSI Class 300 Face to face dimension: EN 558 series 16 Width: mm Head of water: m MH Series

W Series

W Series
Design: Case shape: Nominal sizes: 50 – 1200 mm Material: Stainless steel, Carbon steel, Cast tin-bronze , Cast aluminum-bronze Pressure rating: 0 – 50 bar Flange drilling: ANSI Class 150, ANSI Class 300 Face to face dimension: MSS-SP135 Class 150 short, MSS-SP135 Class 150 long, MSS-SP135 Class 300 short, MSS-SP135 Class 300 long Width: mm Head of water: m W Series

DB Series

DB Series
Design: Case shape: Nominal sizes: 80 – 750 mm Material: Stainless steel, Special material Pressure rating: 0 – 10 bar Flange drilling: ANSI Class 150 Face to face dimension: Special length Width: mm Head of water: m DB Series

DP Series

DP Series
Design: Case shape: Nominal sizes: 50 – 400 mm Material: Stainless steel, Cast iron, Ductile iron, Cast steel, Special material Pressure rating: 0 – 25 bar Flange drilling: PN10, PN16, PN25, ANSI Class 150 Face to face dimension: EN 558 series 20, Special length Width: mm Head of water: m DP Series

HD Series

HD Series
Design: Case shape: Nominal sizes: 80 – 400 mm Material: Stainless steel, Cast steel Pressure rating: 0 – 100 bar Flange drilling: PN40, PN63, PN100 Face to face dimension: Special length Width: mm Head of water: m HD Series

HSI Series

HSI Series
Design: Case shape: Nominal sizes: 65 – 400 mm Material: Stainless steel Pressure rating: 0 – 16 bar Flange drilling: PN16, ANSI Class 150, DIN 11864-2 Face to face dimension: Special length Width: mm Head of water: m HSI Series

TI3 Series

TI3 Series
Design: Case shape: Nominal sizes: 80 mm Material: Stainless steel Pressure rating: 0 – 10 bar Flange drilling: ANSI Class 150 Face to face dimension: MSS-SP81 Width: mm Head of water: m TI3 Series

VK Series

VK Series
Design: Case shape: Nominal sizes: 200 – 1000 mm Material: Stainless steel, Cast iron, Special material Pressure rating: 0 – 2.5 bar Flange drilling: Special flange Face to face dimension: Special length Width: mm Head of water: m VK Series

SG Series

SG Series
Design: Case shape: Nominal sizes: 50 – 650 mm Material: Cast steel, Special material Pressure rating: 0 – 10 bar Flange drilling: ANSI Class 150 Face to face dimension: MSS-SP81 Width: mm Head of water: m SG Series
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