Factory Direct Sales Can Be Customized 2 Rubber Duckbill Check Valve

• Customization: Available
• Media: Water
• Temperature: Low Temperature
• Model NO.: 2 rubber duckbill check valve
• Connection Form: Flange
• Structure: Butterfly
• Pressure: Low Pressure
• Sealing Form: Bellows Globe Valve
• Flow Direction: Bidirectional
• Standard: DIN
• Application: Industrial Usage, Water Industrial Usage
• Rubber Material: EPDM,NBR,SBR
• OEM: Support
• Certificate: ISO CE Ztc
• Connection: Flanged
• Transport Package: Wooden Crate
• Specification: DN32-DN300
• Trademark: CHNFLEX
• Origin: China
• HS Code: 40094200
• Production Capacity: 50000PCS/Year

Product Description

Check valve is a new type of water supply and drainage valve product with a fully rubber structure, a duckbill shaped appearance, and forward flow and reverse check functions.

NO	Name	Material
1	Flange	Q235,SS304,SS316,PVC
2	Inner/outer rubber	NR,NBR,EPDM,FKM,PTEF,IIR,CR

 

Product Specification

 

Size		Length	Allowable Movements in Operation
mm	inch	mm	Out diameter of flange	Diameter of the central ring of the bolt	Hole diameter*quantity	Horizontal displacement	Angular Deflection
32	1 1/4	95	140	100	18*4	9	15°
40	1 1/2	95	150	110	18*4	9	15°
50	2	105	165	125	18*4	10	15°
65	2 1/2	115	185	145	18*4	11	15°
80	3	135	200	160	18*8	12	15°
100	4	150	220	180	18*8	13	15°
125	5	165	250	210	18*8	13	15°
150	6	180	285	240	22*8	14	15°
200	8	210	340	295	22*8	22	15°
250	10	230	395	350	22*12	22	15°
300	12	245	445	400	22*12	22	15°

Note: If the medium is oil, acidic or alkaline substances, and there are special requirements for the working temperature, you can customize it by sending a letter or drawing. Please specify when ordering.

Product Details

Production Flow

1.Raw material Top level CR/EPDM/NBR rubber raw materials,No recycled rubber

2.Plasticating and mixing Special Formulation for better Bending with Nylon,For Better Strength,Sealing

3.Workblanks wraping Cooper plated steel wire reinforcement   prevent pull off

4.Vulcanizing Automatic vulcanization machine ensure vulcanization time and pressure

5.Inspecting 100% strict inspection is to be responsible for consumers

6.Packaging Protective Packaging for No Rust and Breakage

 

Application

Application scope of check valve:
1.Suitable for sewage systems and sewage discharge
2.Applicable to emission systems
3.Suitable for dam systems
4.Suitable for airport and highway drainage
5.Suitable for sewer discharge
6.Used for odor barrier

 

Our Services

1.24-hour online
2.Free samples provided
3.Support customization
4.Provide drawings
5.Multiple payment styles to choose from
6.Factory inspection (material, specifications, quantity, pressure, packaging)
7.Long warranty period
8.Suitable packaging for transportation

Our Customer

FAQ

Q1:What's the material of check valve?
A1:The material can be EPDM,NBR,CR,SBR..It depends on the working condition.

Q2:What's the working pressure?
A2:The working pressure can be 1.0Mpa, 1.6Mpa, 2.5Mpa.

Q3:What certificates can you provide?
A3:We could provide CE,ISO certificate. 

Q4:Can we get a sample?
A4:Yes,we could provide samples for you to test the quality.