The large diameter elastic seat seal gate valve is made of the best quality ductile iron or carbon steel. It has the characteristics of high strength, light weight and accurate geometric size. The gate has the function of interchangeability. It can be easily opened and closed by one person by adding spiral bevel gear force saving mechanism. It can also be installed with opening and closing indicator column or electric or pneumatic actuator according to the requirements of users. Excellent sealing and anti rust function, safe and reliable, long service life. It is widely used in water supply and drainage system, sewage treatment system, municipal construction and mining, gold, power plant and other industries.

Nominal pressure: 1.0 ~ 2.5MPa
Nominal diameter: 500 ～ 1200mm
Working temperature: 0 ～ 120 ℃
Applicable media: water, oil, gas, etc
Flange standard: GB / t17241.6gb9113
Test standard: gb13927api598

NO.	Part name	texture of material
1	valve body	Gray cast iron, ductile iron, cast steel
2	Ram	Ductile iron coated with EPDM or NBR
3	Hexagon socket bolt	Carbonization treatment
4	seal ring	EPDM or NBR
5	Valve cover	Gray cast iron, ductile iron and cast steel
6	Stem	stainless steel
7	“O-ring	Nitrile rubber
8	Thrust bearing	Tin bronze
9	Bolt	Carbon steel, alloy steel
10	Gland
11	dust cover
12	handwheel	malleable iron

 

DN	500	600	700	800	900	1000	1200
L	457	508	660	720	780	840	960
Hmin（Complete clearance）	1480	1665	2200	2800	2800	3000	3000
Hmax（Full open）	165	1900	2350	2950	2950	3150	3150
H（Electric）	The electric device can be specified by the user