Unidirectional Knife Gate Valve – Series 941, Lug Style with Enhanced Sealing

The Series 941 Unidirectional Knife Gate Valve is engineered for high-performance, one-directional shutoff in demanding industrial applications. Featuring a lug-style body for secure pipeline integration and a reinforced seal system, this valve ensures zero-leakage performance on the upstream side. It is designed to handle abrasive slurries, mining tailings, and fibrous materials common in sectors such as pulp & paper, mining, wastewater, and chemical processing.

Available with multiple actuator options and constructed using durable materials, the Series 941 delivers rugged service, ease of maintenance, and prolonged service life.

Specifications:

– Valve Type: Unidirectional Knife Gate Valve
– Model Series: 941
– Flow Direction: One-way shutoff (tight seal on inlet side)
– Body Type: Lug style (supports dead-end service)
– Sizes Available: 2" to 48" (DN50 to DN1200)
– Body Material Options:
 • Cast Iron
 • Ductile Iron
 • Carbon Steel
 • 304/316 Stainless Steel
– Gate Material: Stainless Steel 304 / 316 / Duplex / Hardened Steel
– Seat Type: Resilient (EPDM, NBR, PTFE) or metal-seated
– End Connections: ANSI B16.5 Class 150 or EN1092 PN10/16
– Pressure Rating:
 • Up to 150 psi (10 bar), depending on size
– Temperature Range:
 • -10°C to +200°C (based on seat material)
– Actuation Types:
 • Manual Handwheel
 • Pneumatic Cylinder
 • Electric Motor
 • Hydraulic Actuator
– Key Features:
 • Unidirectional zero-leakage shutoff
 • Reinforced seat for abrasive service
 • Replaceable seats and packing
 • Optional flushing ports
 • Gate support system to prevent bending or jamming
 • Suitable for vertical and horizontal mounting

For further specifications or to inquire about this equipment and ReflowX's logistics services, Please contact ReflowX at info@reflowx.com