Butterfly Valves
Cast-iron wafer-type butterfly valves with AISI 316 stainless steel disc. EPDM and NBR seat options from DN50 to DN200. Lever-operated DN50–DN125, gear operator DN150–DN200. CE and DVGW W270 certified.
📘 MT 2026 Catalogue
Wafer butterfly valves for flanged pipe networks
MT butterfly valves deliver reliable flow control and tight shut-off in water supply, HVAC, irrigation and light industrial service. The cast-iron body with AISI 316 stainless steel disc combines corrosion resistance with cost efficiency across DN50–DN200 diameters.
⬜ Series 5114
EPDM Seat
Cast iron body · SS316 disc · −10 °C to +110 °C · Potable water & HVAC
🟡 Series 51142
NBR Seat
Cast iron body · SS316 disc · −10 °C to +90 °C · Industrial fluids & oils
🔵 MR Gear
DN150–DN200
Gear operator included · High-torque large-diameter service · PN20 rated
All models are wafer-type (lug-free), drilled to EN 1092-2 PN10/16/20 and ANSI 150. Hand lever included DN50–DN125; gear operator standard DN150–DN200. Disc stem sealed with O-ring to prevent leakage at full differential pressure.
Body / Disc Material
GG25 Cast Iron
AISI 316 Disc
Epoxy coated interior
Seat Material
EPDM (5114)
NBR (51142)
Sizes & Connections
DN50–DN200
EN 1092-2 PN10/16/20
ANSI 150
Certifications
CE
PED 2014
DVGW
W270
W270
DVGW
ISO
5752
5752
ISO 5752
Seat
Actuator
12 references
Butterfly Valve Wafer SS Disc EPDM DN50 PN20 2"
REF. 5114050
AED166.95
Butterfly Valve Wafer SS Disc EPDM DN65 PN20 2½"
REF. 5114065
AED186.16
Butterfly Valve Wafer SS Disc EPDM DN80 PN20 3"
REF. 5114080
AED211.61
Butterfly Valve Wafer SS Disc EPDM DN100 PN20 4"
REF. 5114100
AED299.73
Butterfly Valve Wafer SS316 Disc EPDM Gear Operator DN150 6"
REF. 5114150MR
AED516.08
Butterfly Valve Wafer SS316 Disc EPDM Gear Operator DN200 8"
REF. 5114200MR
AED893.51
Butterfly Valve Wafer SS316 Disc NBR DN50 PN20 2"
REF. 51142050
AED171.44
Butterfly Valve Wafer SS316 Disc NBR DN65 PN20 2½"
REF. 51142065
AED232.31
Butterfly Valve Wafer SS316 Disc NBR DN80 PN20 3"
REF. 51142080
AED251.46
Butterfly Valve Wafer SS316 Disc NBR DN100 PN20 4"
REF. 51142100
AED373.38
Butterfly Valve Wafer SS316 Disc NBR DN125 PN20 5"
REF. 51142125
AED537.72
Butterfly Valve Wafer SS316 Disc NBR Gear Operator DN150 6"
REF. 51142150MR
AED544.33