Knife Gate Valve Ductile Iron Ggg40

• Media: Oil,Gas,Water,Steam,etc
• Temperature: Ordinary Temperature
• Type: Direct-acting
• Material: Cast Iron
• Connection Form: Clamp
• Pressure: High Temperature
• Model NO.: KM-20201028
• Actuator: Manual
• Seal Surface: Wedge Gate Valve
• Thread Position of Valve Rod: Inside Gate Valve
• Usage: Regulation, Safety, Emptying, Drain, Temperature Control, Flow Control
• Standard: ANSI,DIN,GB,etc
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Transport Package: Customized Wooden Cases
• Specification: DN50-DN800
• Trademark: Kingmetal
• Origin: China
• HS Code: 8481804090
• Production Capacity: 600 Tons Per Month

Product Description

Knife gate valve ductile Iron GGG40

Feature of ductile iron knife type gate valve

1. Compact structure, reasonable design, good valve rigidity, smooth passage and small flow resistance coefficient

2. The sealing surface is made of stainless steel and hard alloy, with long service life

3. Using soft graphite packing, reliable sealing, light and flexible operation

Product parameter of DI knife gate valve

Size range: DN50-DN800

Pressure: 1.0 MPa

Operating temperature: max 80ºC

Main material: GGG40/ QT400

Operation: Manual

Shell test: 1.5MPa

Seal test: 1.1 MPa

Design and manufacture: JB/T 8691-98

Design and manufacture: JB/T 8691-98
Structure length: GB/T 15188.2-94
Flange connection size: GB/T 9113-2000
Inspection and testing of valves: GB/T 13927-92
Material list of knife gate valve in ductile iron:

Item No	Part Name	Material
1	Body	QT400/GGG40
2	Seal ring	rubber
3	Disc	SS
4	Seal	PTFE
5	Nut	ZHMn58-2-2
6	Handwheel	QT400

Size table of  DI knife construction gate valve

MPa	DN	L	D	D1	D2	H	N-M	D0
1 1.0	50	43	160	125	100		4-M16	180
	65	46	180	145	120		4-M16	180
	80	46	195	160	135		4-M16	220
	100	52	215	180	155		8-M16	220
	125	56	245	210	185		8-M16	230
	150	56	280	240	210		8-M20	280
	200	60	335	295	265		8-M20	360
	250	68	390	350	320		12-M20	360
	300	78	440	400	368		12-M20	400
	350	78	500	460	428		16-M20	400
	400	102	565	515	482		16-M22	400
	450	114	615	565	532		20-M22	530
	500	127	670	620	585		20-M22	530
	600	154	780	725	685		20-M27	600
	700	165	895	840	800		24-M27	600
	800	190	1010	950	898		24-M30	680