Flanged Type Knife Gate Valve

When you need maximum strength and reliability in high-pressure applications, a flanged type knife gate valve delivers uncompromising performance. This heavy-duty stainless steel flanged knife gate valve is engineered for the most demanding industrial applications — whether you’re handling high-pressure slurry, abrasive pulp, or corrosive chemicals. The integral flanged ends provide superior structural integrity and eliminate potential leak paths, making it ideal for critical processes where safety and reliability cannot be compromised. With robust construction and proven design, it ensures long-term performance in heavy industrial environments.

Ready to enhance your critical flow control systems? Contact us today for a flanged valve solution engineered to your exact pressure and performance requirements. Let TOT Valve secure your operations.

The TOT Valve You Can Depend On – Maximum Strength for Critical Applications

When your process involves high-pressure slurry, abrasive fluids, or corrosive chemicals in mission-critical applications, you need the ultimate reliability of our flanged type knife gate valve. With its integral flanged construction, this knife gate valve provides exceptional structural strength, zero-leakage flanged connections, and superior pressure containment — engineered to handle your most demanding operating conditions.

The flanged design provides maximum mechanical strength and eliminates body-to-flange joint potential failure points, making it the preferred choice for high-pressure, high-temperature, and critical service applications.

Why Flanged Type Knife Gate Valve Works for You?

Corrosion-resistant stainless steel (SS304/316/316L) withstands the harshest industrial environments.
Integral flanged construction eliminates body-flange joints for maximum structural integrity.
Heavy-duty design handles high pressure and temperature applications with confidence.
Knife-edge gate cuts through the toughest media including fibrous pulp, thick slurry, and crystallized materials.
Zero-leakage flanged connections ensure environmental compliance and worker safety.
Multiple seat options deliver bubble-tight shut-off for your specific application needs.
Full range of actuators – manual, pneumatic, electric, or gear operated for precise control.
Robust construction designed for continuous operation in demanding industrial environments.
Enhanced safety margins exceed standard pressure ratings for critical applications.
Full bore design maintains maximum flow capacity and minimizes pressure drop.
Field-proven reliability with extensive track record in heavy industry applications.

Flanged Knife Gate Valve Main Technical Specifications & Performance

Uni-directional/Bi-directional Sealing, Heavy-Duty Flanged Body, Knife Gate Valve

Specification	Details
Design & Manufacturing Standard	MSS SP-81, API 6D, AWWA C515
Size Range	DN50 to DN1500 mm; NPS 2″-60″ (Customized to Your Request)
Pressure Ratings	PN10, PN16, PN25, ANSI 150/300/600, 5K/10K/16K, etc.
Working Pressure Classification	DN50–DN200: 16Bar; DN250–DN400: 10Bar; DN450–DN600: 6Bar; DN700–DN1500: 4Bar
Face-to-Face Standard	MSS SP-81, AWWA C515, API 6D
Flange Connection Standards	GB/T9113–2010, EN1092–2002, ASME B16.5–2013, ASME B16.47–2011, AS2129–2000, AS4087–2004, JIS B2220–2004
Inspection & Testing Standard	MSS SP-81, API 598, EN 12266
Body Materials	WCB, WC6, WC9, CF8, CF3, CF8M, CF3M, 4A, 5A, 6A, 904L, Duplex 2205
Temperature Range	-29°C to +425°C (-20°F to +800°F) depending on materials
Temperature–Pressure Rating Standards	GB/T12224–2007, ASME B16.34–2009, ISO7005–1
Applications	Power Plants, Pulp & Paper, Mining, Heavy Chemical, Petrochemical, Steel Mills, Cement Plants, Municipal Water Treatment, Industrial Wastewater
Actuation Methods	Manual, Pneumatic, Electric, Hydraulic, Gear Drive, Chain Drive, Lever

Flanged Knife Gate Valve Main Components and Materials

Part Name	Material Options
	WCB	CF8	CF8M	Duplex 2205
Body	WCB	CF8	CF8M	Duplex 2205
Flanged Ends	WCB	CF8	CF8M	Duplex 2205
Gate	304	316	316L	2205
Seat	STL, EPDM, or PTFE	STL, EPDM, or PTFE	STL, EPDM, or PTFE	Metal Seated
O-ring	NBR	NBR	EPDM	FKM
Bonnet	WCB	CF8	CF8M	Duplex 2205
Packing	PTFE	PTFE	PTFE	PTFE/Grafoil
Yoke	Q235	304	316	2205
Stem	2Cr13	316	316L	2205
Stem Nut	Brass	Brass	Brass	Duplex Steel
Guide Pin	65Mn	304	316	2205
Support Bracket	WCB	CF8	CF8M	Duplex 2205
Handwheel	GGG30	GGG30	GGG30	Steel
Stem Protector	304	304	316	2205
Fasteners	A193-B7/A194-2H	A4-70	A4-80	Super Duplex

TOT Valve Tailored for Your Critical Systems – Premium Custom Options

You can customize this flanged valve for your most demanding system requirements:

Gate Finish: Mirror polish, plasma spray coating, hardened edge treatment, or duplex stainless
Seat Type: EPDM, PTFE, Viton, PEEK, or metal seated with Stellite/Inconel overlay
Actuation Options: Pneumatic actuator with fail-safe springs, electric motor with variable speed drives, hydraulic actuator for high-torque applications
Body Coating: High-performance epoxy, ceramic lining, Hastelloy overlay, PFA/PTFE lining for maximum chemical resistance
Automation Package: Full automation with positioners, limit switches, solenoid valves, and SCADA integration
Special Features: Heating jackets, cryogenic service modifications, fire-safe design, fugitive emission compliance
Extended Warranties: Performance guarantees for critical service applications

Black and white drawing of flanged knife gate valve

Flanged Knife Gate Valve Dimensions

TOT valve can provide you with various sizes of flanged knife gate valve. We have listed some flanged type knife gate valve sizes for PN16 for your reference.

If you don’t have the flanged type knife gate valve size you need, you can contact us immediately. Our professional sales manager will contact you and can provide you with exclusive ODM and OEM services.

Size	A (mm)	B (mm)	C (mm)	D (mm)	E (mm)	F (mm)	G (mm)	H (mm)	Weight (kg)
DN(mm)	NPS(in)
50	2″	65	135	106	100	129	85	200	420
65	2-1/2″	68	155	106	115	147	85	200	465
80	3″	70	175	106	121	168	85	220	510
100	4″	75	163	106	138	192	85	220	580
125	5″	82	192	120	160	215	87	270	675
150	6″	85	216	130	185	245	87	300	755
200	8″	95	271	130	235	302	105	330	910
250	10″	105	335	140	300	355	105	380	1140
300	12″	115	381	160	350	401	105	430	1285
350	14″	125	436	180	400	465	117	480	1475
400	16″	135	505	180	455	511	117	480	1635
450	18″	145	568	200	510	578	130	530	1820
500	20″	155	632	220	565	645	130	580	2005

Critical Service Applications

Power Generation: Ash handling, FGD systems, cooling water intake
Pulp & Paper: Stock preparation, bleaching systems, waste treatment
Mining: Tailings handling, concentrate pipelines, process water
Chemical Processing: Reactor isolation, catalyst handling, waste neutralization
Steel Industry: Blast furnace gas cleaning, water treatment, slag handling
Municipal: Raw water intake, sludge handling, chemical feed systems

Enhanced Safety & Compliance Features

Pressure Safety: Design margins exceed ASME standards for critical applications
Environmental Protection: Fugitive emission testing per ISO 15848
Fire Safety: API 607/API 6FA fire testing available
Quality Assurance: Full material traceability and 3.1 certification
Performance Verification: Factory acceptance testing with customer witness points
Extended Testing: Cycle testing, endurance testing, and accelerated life testing available

Installation & Maintenance Advantages

Structural Integrity: Integral flanged construction eliminates weak points
Alignment: Precision-machined flanges ensure perfect pipeline alignment
Accessibility: Extended bonnets and rising stems for easy maintenance access
Serviceability: Replaceable seats and packing without removing valve from line
Documentation: Complete installation, operation, and maintenance manuals provided
Support: Global service network for on-site maintenance and emergency response

Contact TOT Valve today for engineering consultation and competitive quotation on your flanged knife gate valve requirements for critical service applications.