China Factory for Valve Calibration Machine - butterfly buffering check valve – GMK Valve

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China Factory for Valve Calibration Machine - butterfly buffering check valve – GMK Valve Detail:

Butterfly buffering check valve Nominal pressure:PN1.0Mpa
Nominal diameter: DN200-2000mm.

1. The kind of valves are automatic type which are opened by the pressure of the medium and closed the revrsing flow, the better the sealing is and the higher the reversing flow pressure.

2. The water hammer rising has been taken into considerration during design, it is realiable.

3.It has damper device , it can regulate closing by quickly closing and slowly closing two stages, and the quickly closing time and the slowing closig time can regulate , it can prevent the dump or blower fan from reversing or the overload hammer pressure, in order to protect the system safety.

4 As it has no weight on the shaft, in the open position, all forces of the disk is balance, it can reduce the flow resistance.

The product has novel structure, small size, fluid resistance small, smooth operation, reliable sealing, wear resistance, cushioning performance and good features, is the best industrial water and sewage products.

The valve used for industrial water supply buffer, sewage treatment plants, pump outlet to prevent the pipe network upstream.

Technical Parameters
Part	Body	Butterfly	Seal-ring	Stem	Packing
Material	Casting steel	Cast steel,Ductile iron	Oil-resisting chemigum, chloroprene rubber	Stainless steel	PTFE

Materials
Model	PN(MPa)	Test pressure (MPa)		Working pressure	Medium temperature	Suitable medium
		Casing	Seal
H47X,H47H,HH47X, HH47XF ,HH47H, HDH47X	1	1.5	1.1	1	≤80℃	Water, oil good, sea water, sludge
	1.6	2.4	1.75	1.6
	2.5	3.75	2.75	2.5

Product overview

The H47X, H47H, HH47X, HH47H, H47XF and HDH47X butterfly type check valves produced by our factory are mainly used in the water outlet of industrial water supply and sewage treatment plants to prevent the medium countercurrent in the pipe network. Active destruction of destructive water hammer, so as to ensure that water pumps and pipelines are not damaged. The valve is characterized by its valve body, cutting and buffering performance. It is the best product for industrial water and urban sewage disposal.

Important technical parameters
Nominal pressure: 1 ~ 2.5MPa
Nominal: 40 ~ 1400mm
Applicable medium: water, oil, sewage, sea water
Applicable temperature: 0~80 DEG C (if necessary, up to 200)

Important parts and materials

parts name	valve body	disc	valve rod	Packing	Seal ring
material	gray casat iron cast steel	gray casat iron cast steel,Nodular cast iron,	stainless steel	PTFE	Nitrile butadiene rubber

Product detail pictures:

We're also concentrating on improving the things administration and QC program to ensure we could maintain terrific gain from the fiercely-competitive company for China Factory for Valve Calibration Machine - butterfly buffering check valve – GMK Valve, The product will supply to all over the world, such as: Liberia , Liberia , Romania , Each product is carefully made, it will make you satisfied. Our products in the production process have got strictly monitored, because it is only to provide you the best quality, we will feel confident. High production costs but low prices for our long-term cooperation. You can have a variety choices and the value of all types are same reliable. If you have any question, do not hesitate to ask us.

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