OP5700
Aggressive Process, O-Port
Class 150
Knife Gate Valve
The OP5700 is an O-Port style knife gate valve designed specifically for use in aggressive processes and high wear applications in the pulp & paper, and chemical industries. The through conduit design with pressure assisted seat provides reliable, bidirectional shutoff in various applications such as slurries, dry materials, static columns, high consistency stock, wood chips, and highly viscous fluids.
Please contact us for pricing and availability.
Product Information
Pressure Rating
- ASME Class 150
Standards & Approvals
- Flanges: ASME B16.5
- Testing: API 598
- Markings: MSS SP-25
- Mounting: ISO 5211
- Quality: ISO 9001:2015
- Registration: CRN
Temperature Rating
• Up to 450°F (230°C) standard
• Up to 1200°F (650°C) metal seat with Graphite packing
Features & Benefits
- Through Conduit design ensures reliability on static columns and dry materials
- Spring loaded seat design provides improved process sealing
- Full port opening allows maximum throughput and minimizes pressure drop
- Oversize flushing ports allow elimination of material buildup
- Live loaded PTFE packing provides reliable sealing
- Lockout pin provision ensures operator and maintenance safety
- High visibility clevis provides easy identification of valve position
- ISO 5211 mounting pattern allows direct mounting of various actuation options including bevel gear, pneumatic or hydraulic cylinders, and electric actuators
- Grease fitting on handwheel bearing reduces operating torques



























