CE Pn40/100 300/600lb DN50-600 LNG Terminals Industrial Gas Knife Gate Valve for Water Media Air Cylinders

• Customization: Available
• Media: Gas,Oil,Water,Chemical,Steam
• Temperature: Ordinary Temperature
• Type: Straight-through
• Material: Stainless Steel
• Connection Form: Flange
• Pressure: Ordinary Pressure
• Actuator: Manual
• Seal Surface: Wedge Gate Valve
• Thread Position of Valve Rod: Outside Gate Valve
• Usage: Regulation, Flow Control
• Standard: GB, DIN, JIS, BSW, ANSI
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Transport Package: Wooden Case
• Specification: customized
• Trademark: Yoonad
• Origin: China
• HS Code: 8481804090
• Production Capacity: 10000PCS/Year
• Package Size: 120.00cm * 80.00cm * 80.00cm
• Package Gross Weight: 60.000kg

Product Description

Product Description

Knife gate valves are rugged, cost-effective flow control devices designed for viscous media, slurries, or solids-laden fluids. Featuring a sharp, blade-like gate, they cut through thick substances to open/close flow efficiently.

The gate seals tightly against seats when closed, preventing leakage, while full opening ensures minimal flow resistance. 

Constructed with durable materials (e.g., stainless steel, nickel alloys), they excel in industrial, wastewater, and mining applications, offering reliable on-off control with simple operation via handwheel, gear, or actuator.

Type	DN	(mm)				(kg)
		L	D1	D2	H
J61H-200 J61Y-200 J961H-200 J961Y-200	20	170	22	42	480	38
	25	170	27	42	520	41
	32	200	34	52	728	58
	50	350	53	76	728	89
	80	500	86	108	798	135
	100	600	107	161	890	190
J61Y-250 J61Y-320 J961H-250 J961Y-320	20	150	25	40	576	47
	25	170	27	42	585	49
	32	180	32	55	606	52
	50	250	50	83	722	73
	80	470	80	105	895	225
	100	600	100	142	1179	296
Type	DN	(mm)Mainexternalandconnectingdimensions				(kg)
		L	D1	D2	H
J61Y-Ps4100V J61Y-Ps4100V J961Y-Ps4100V J961Y-Ps4100V	20	170	22	42	480	38
	25	170	27	42	520	41
	32	200	34	52	728	58
	50	350	53	76	728	89
	80	500	86	108	798	135
	100	600	107	161	890	190
J61Y-Ps4170V J61Y-Ps4195V J961Y-Ps4170V J961Y-Ps4195V	20	150	25	40	576	47
	25	170	27	42	585	49
	32	180	32	55	606	52
	50	250	50	83	722	73
	80	470	80	105	895	225
	100	600	100	142	1179	296

Product Advantages

A – Aggressive Media Compatibility
With a sharp, blade-like gate and durable construction (e.g., stainless steel, nickel alloys), knife gate valves handle viscous slurries, solids-laden fluids, and corrosive media effortlessly, avoiding clogging or wear.

B – Budget-Friendly & Low Maintenance
Cost-effective to manufacture and install, these valves feature a simple structure with fewer moving parts. They require minimal upkeep, reducing long-term operational expenses.

C – Compact Design & Easy Operation
Sleek and space-saving, they fit tight installations seamlessly. Controlled via handwheel, gear, or actuator, opening/closing is straightforward, enabling quick flow shutoff or regulation.

D – Dependable Sealing & Low Resistance
When closed, the gate seats tightly to form a leak-tight seal, preventing fluid loss. Full opening creates an unobstructed flow path, minimizing pressure drop for efficient system performance.

E – Exceptional Cutting Performance
The sharp, blade-shaped gate slices through thick slurries, fibrous materials, or solids-laden fluids with ease. It eliminates blockages, ensuring smooth flow control even for challenging media.

F – Flexible Installation & Adaptability

Suitable for various mounting orientations (horizontal, vertical), these valves fit diverse industrial setups. They accommodate different pipeline sizes, meeting broad application requirements.

G – Gentle on System Pressure
With minimal flow restriction when fully open, they reduce pressure drop across the pipeline. This preserves system efficiency and avoids unnecessary energy consumption.

H – High Durability & Long Service Life
Constructed with robust materials and a rugged design, they resist wear, corrosion, and impact. The simple structure minimizes component failure, extending operational lifespan.

How does valve work?

Knife gate valves operate via a sharp, blade-like gate that moves vertically to control fluid flow. Driven by a handwheel, gear, or actuator connected to a stem, the gate rises to fully open the valve—creating an unobstructed path for viscous media, slurries, or solids-laden fluids.

When closed, the gate's sharp edge cuts through thick substances and seats tightly against internal seals, forming a leak-tight barrier. Their simple design ensures efficient on-off control, minimizing clogging and pressure drop, making them reliable for harsh industrial applications requiring precise flow regulation.