Wafer Knife Gate Valves
Knife gate valves with wafer connections generally used for isolation duties of suspended solids such as wastewater, sludge, biomass, pulp and powders.
JV060023 – Cast Iron Uni-Directional Knife Gate Valve – EPDM Seat
Uni-directional wafer type knife gate valve designed with a chamfered edged polished gate to effectively cut through media with suspended solids such as wastewater, sludge, biomass, pulp and powders. Manually operated, supplied with a handwheel (lever, electric & pneumatic actuation on request).
Type
Uni-Directional Knife
Size & Connections
DN50 to DN400 • Wafer – Between BS4504 PN10 Flange
Duty
Water • Sludge • Pulp • Paper
Materials
Cast Iron Body • SS Knife Gate & Stem • EPDM, NBR or Metal Seats
Pressure Rating
DN50-200:- 10 bar • DN250-400:- 6 bar
Temperature
EPDM -15 to 130°C • NBR -10 to 90°C • Metal -15 to 90°C
JV060024 – Cast Iron Bi-Directional Knife Gate Valve – NBR Seat
Bi-directional wafer type knife gate valve designed with a chamfered edged polished gate to effectively cut through media with suspended solids such as wastewater, sludge, biomass, pulp and powders. Manually operated, supplied with a handwheel (lever, electric & pneumatic actuation on request).
Type
Bi-Directional Knife •
Size & Connections
DN50 to DN500 • Wafer – Between BS4504 PN10 Flange
Duty
Water • Sludge • Pulp • Paper
Materials
Cast Iron Body • SS Knife Gate & Stem • NBR or EPDM Seats
Pressure Rating
See datasheet for details
Temperature
NBR -10 to 90°C • EPDM -15 to 130°C
JV241027 – Pneumatically Actuated Cast Iron Unidirectional Gate Valve
Pneumatically operated unidirectional wafer type knife gate valve designed with a chamfered edged polished gate to effectively cut through media with suspended solids such as wastewater, sludge, biomass, pulp and powders.
Type
Uni-Directional Knife • Pneumatically Operated
Size & Connections
DN50 to DN600 • Wafer Lug – Between BS4504 PN10 Flange
Duty
Water • Sludge • Pulp • Paper
Materials
Cast Iron Body • SS Gate & Stem • NBR or EPDM Seats
Pressure Rating
See datasheet for details
Temperature
NBR -10 to 90°C • EPDM 0 to 110°C
Compliance & Approvals
Face to face to EN558-1 • Actuator Functionality Certificate
JV060038 – Stainless Steel Uni-Directional Knife Lever Operated Gate Valve
Lever operated uni-directional wafer type knife gate valve designed with a chamfered edged polished gate to effectively cut through media with suspended solids such as wastewater, sludge, biomass, pulp and powders.
Type
Lever Operated • Uni-Directional Knife • Resilient Seated
Size & Connections
DN50 to DN300 • Wafer – Between BS4504 PN10 Flange (ANSI on request)
Duty
Water • Sludge • Pulp • Paper
Materials
Stainless Steel Body • Stainless Steel Gate & Stem • EPDM Seats (others on request)
Pressure Rating
See datasheet for details
Temperature
-35 to 120°C
Compliance & Approvals
Face to face to EN558-1
JV060037 – Cast Iron Uni-Directional Knife Lever Operated Gate Valve
Lever operated uni-directional wafer type knife gate valve designed with a chamfered edged polished gate to effectively cut through media with suspended solids such as wastewater, sludge, biomass, pulp and powders.
Type
Lever Operated • Uni-Directional Knife • Resilient Seated
Size & Connections
DN50 to DN300 • Wafer – Between BS4504 PN10 Flange (ANSI on request)
Duty
Water • Sludge • Pulp • Paper
Materials
Cast Iron Body • Stainless Steel Gate & Stem • EPDM Seats (others on request)
Pressure Rating
See datasheet for details
Temperature
-35 to 120°C
Compliance & Approvals
Face to face to EN558-1