China Os And Y Resilient Seated Gate Valve Suppliers, Manufacturers, Factory

OS and Y Resilient Seated Gate Valve

Features of os & y resilient seated gate valve

1.Flat bottom seat

Traditional gate valves often deposit in the bottom groove of the valve due to foreign objects such as stones, wood, cement, paper scraps, and debris after the pipe is washed with water. It is easy to cause failure to close tightly and form water leakage. The bottom of the elastic seat-sealed gate valve adopts the same flat-bottom design as the water pipe, which is not easy to cause debris to deposit and make the fluid flow unimpeded.

2.Overall encapsulation

The valve plate adopts high-quality rubber for the overall inner and outer rubber. The rubber vulcanization technology enables the vulcanized valve plate to ensure accurate geometric dimensions, and the rubber and the ductile iron gate are firmly connected, not easy to fall off and have good elastic memory.

3.preservative

The valve body is coated with powder epoxy resin, which can prevent corrosion and rust of the valve body and can be used in sewage systems.

4.Not easy to break

In the past, traditional cast iron gate valves often broke due to foreign objects hitting, collision or overlap. Since this valve is changed to ductile iron, this situation can be greatly reduced.

5.Three "O" ring seals

Since the valve stem adopts a three-"0"-ring seal design, it can reduce frictional resistance when switching, greatly reduce water leakage, and replace the seal ring without stopping water.

6.Help to drink

Since the inside of the valve body is coated with non-toxic epoxy resin, the inner and outer surfaces of the gate are completely covered with rubber to prevent rusty water or corrosion, which can be used for raw drinking.

7.Precise casting valve body

The valve body is made of precision casting, and the precise geometric dimensions make the inside of the valve body without any finishing to ensure the sealing of the valve.

8.Lightweight

This valve is made of ductile ink, and its weight is about 20%-30% less than that of traditional gate valves. Easy to install and maintain.

Product specification of os & y flexible seated gate valve

Nominal diameter	50～400mm
Nominal pressure	1.0 ~ 2.5MPa
working temperature	0 ~ 80℃
Flange standard	GB/T 17241.6 GB9113
Applicable medium	water, oil, gas, etc
Test standard	GB13927, AP1598
Body	Grey cast iron, ductile cast iron, cast steel
Wedge	Cast iron +Nitrile rubber
Sealing ring	Nitrile rubber
Yoke	Grey cast iron, ductile cast iron, cast steel
Stem	Stainless steel
Bolt	Stainless steel
Bonnet	ductile cast iron, cast steel
Stem nut	Copper alloy
Handwheel	Forging cast iron

Size chart of rising stem resilient seated gate valve

DN	50	65	80	100	125	150	200	250	300	350	400
L	178	190	203	229	254	267	292	330	356	381	406
HA	322	332	350	420	581	581	736	882	1009	1300	1380
HC	374	398	429	524	721	736	942	1031	1117	1655	1805

OS & Y gate valve is widely used in water supply and drainage of the fluid pipeline, fire control, air conditioning, gas, petroleum, chemical industry, water treatment, municipal administration, shipbuilding and another pipeline engineering as control fluid function.

application of os and y resilient seated gate valve