1. Product Overview

The knife gate valve, also known as “slurry gate valve”, is a special parallel gate valve that is designed to handle slurry, including fibrous material. It has a sharp edge on the bottom of the gate to shear particulates or other solids in suspension as well as to separate slurry. Knife gate valves can be made from various materials covering cast iron, carbon steel, alloy steel and stainless steel. They are widely used in power plant, urban sewage treatment, pulp and paper industry, mining, food and beverage, pharmaceutical, petroleum as well as chemical industries.

Design Standards: MSS SP 81, ASME B16.34, API 598, ASME B16.5, ASME B16.47, BS 5157, JB/T 8691, DIN, JIS, EN standards. Eight series of knife gate valves are available: MTA, MTB, MTC, MTD, MTE, MTF, MTG, MTH.

Design Features: metal or soft seated; yoke & bolted bonnet, through conduit, or bonnetless; wafer type, lug type, flanged type; rising stem or non-rising stem; operation: handwheel, bevel gear, pneumatic actuator, electric actuator, hydraulic actuator, sprocket wheel(chain-wheel); positioning device; short face-to-face length; stable operation, vibration & noise proof; easy maintenance; pressure ratings: 100 psi ~ 500 psi, PN10 ~ PN25; size: 2″ ~ 80″ (DN 50 ~ DN 2000).

2. Optional Operation Methods

I	II	III	IV
V	VI	VII	VIII

The operation methods for knife gate valves:
Manual: I-Handwheel, II-Sprocket(Chain Wheel), III-Lever, IV-Bevel Gear;
Automated: V-Pneumatic, VI-Hydraulic, VII-Electric, VIII-Electric & Hydraulic Hybrid.

3. Conventional Material Selection

4. Engineering Specification: Torque Value & Thrust Force

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