Class 300 Knife Gate Valves
Class 300 Knife Gate Valves
The Mizztech™ 30S and 30L series valves are a fully rated ASME Class 300 (PN50) guided shear gate designed for severe duty applications.The Delta Industrial™ Class 300 valve isolates even at full pressure differential, and is designed to provide 100% zero leakage regardless of flow direction.Designed specifically to handle heavy duty slurry applications, its innovative design, industry-leading performance, customisable features and absolute dependability have made our Delta Industrial™ valves the knife gate valve of choice for multiple industries.
Mizztech™ Class 300 Knife Gate Valves
The Mizztech™ 30S and 30L series valves are a fully rated ASME Class 300 (PN50) guided shear gate designed for severe duty applications.The Delta Industrial™ Class 300 valve isolates even at full pressure differential, and is designed to provide 100% zero leakage regardless of flow direction.Designed specifically to handle heavy duty slurry applications, its innovative design, industry-leading performance, customisable features and absolute dependability have made our Delta Industrial™ valves the knife gate valve of choice for multiple industries.
The bevelled edge gate design allows the knife gate to crush, cut and expel solids that may be in the fluid stream. A precisely machined groove positions the elastomeric seat at the edge of the guided gate allowing the valve to seal equally well even in high cycling duties.
Design Features
- Heavy duty construction designed to ensure long service life
- Provides bi-directional shut-off
- 100% zero leakage
- MSS SP-135 compliant
- Pressure fully rated to ANSI B16.5 Class 300
Applications
- Mining • Coal• Power utilities • Phosphate• Pulp and paper • Soda ash
- General industrial • Alumina• General chemical • Mineral sands
- Cement • Kaolin• Sand and gravel
Materials
- Body: A216WCB carbon steel.Other materials available
- Gate: 17-4-PH steel as standard.Other materials available
- Seals: Buna N as standard.Other materials available
- Other materials include: CF8M; HASTELLOY C-276 alloy; SAF 2205 and SAF 2507™ duplex stainless steel; Titanium Gr2 and Gr7
Size Range
- 50 mm (2”) through 900 mm ( 36”)
Maximum Working Pressure
- All sizes 5100 kPa (740 psi)*
Flanges
- ANSI B16.5 Class 300 RF and FF
- Other flange options available
Product Features
- Robust hydraulic cylinder
- Extra strong 17-4-PH steel cylinder rod
- Cover made of tough LEXAN polycarbonate material protects internal components and eliminates pinch points
- Highly visible fluorescent clevis to verify position
- Heavy duty lockout pin for open and closed position
- Unique dual transverse seal and scrapers designed to deliver superior sealing even in high cycle applications
- Split body design allows for easy maintenance
- Bevelled edge blade cuts through tough solids
- Fully guided gate eliminates gate movement during closing and prevents gate deformation
- Mechanically retained seal prevents shifting during valve operation. Seal location and seat design provide full bi-directional sealing and zero leakage.
