Dual Disc Non Return Check Valve with Two Plates

• Material: Cast Iron
• Connection Form: Thread
• Structure: Butterfly
• Pressure: Ordinary Pressure
• Function: Nrvz Silence
• Sealing Form: Gland Packings Globe Valve
• Model NO.: CSD-00
• Flow Direction: Unidirection
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage
• Size: DN40-DN1000
• Transport Package: Wooden Case or as Per Clint′ S Requirement
• Specification: CE, SGS
• Trademark: TEC
• Origin: Shangdong, China
• Production Capacity: 20000PCS/Month

Product Description

Dual Disc Non Return Check Valve with Two Plates

Body materials: Cast iron, ductile iron, aluminum bronze, stainless steel and carbon steel
Disc: Stainless steel, Ductil cast iron, Al-Bronze,
Stem: Stainless steel
Seat: NBR, EPDM. Viton
Working pressure: PN10 and PN16
Applicable temperature: From -40 to +230° C
Size: 2 to 40 inches diameter (DN25 to DN1000mm)
Face to face according to DIN 3202-k3, GB12221-16 and API594
Flange drilling according to DIN 2501 PN10/PN16, AS2129 table E, JIS 10K
 

1. Availability  

The check valve is available with:
Nominal Diameter DN50 ~ 900 (2 "~ 36"),
Nominal Pressure PN10 ~ PN16, flange connection is EN1092-2 PN10,PN16, ANSI CLASS 125/150,JIS 5K and 10K etc.

1. Function and Characters

1. This valve is mainly used for connection and interruption for the media such as water, oil and others in the pipeline. And the main function of this valve is to stop the medium from back off and bleeding from the container.
2. The face to face of this valve is short, as well as with a small volume and light weight.
3. The disc can be closed quickly.
4. It can be used in both horizontal and vertical piping, which is also convenient for installation.
5. With a small fluid resistance, the valve is unimpeded.
6. It is flexible, with good sealing.
7. The structure is simple and compact, and the appearance is beautiful.
8. The service life is long with high reliability.

1. Material of Main Components

Body	Disc	Seat		Stem	Spring
GG25,GGG40, WCB, CF8, CF8M	DI+Ni, CF8, CF8M, C954, C958	NBR, EPDM	304,316		304,316