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Corrosion Resistant Maintenance Free Duckbill Check Valve with ZTC Certification for Waterproof Systems

Corrosion Resistant Duckbill Check Valve

Maintenance Free Rubber Duckbill Valve

ZTC Certified Duckbill Non Return Valve

Lieu d'origine:

Chine

Nom de marque:

JINGNING

Certification:

Numéro de modèle:

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Corrosion Resistant Maintenance Free Duckbill Check Valve with ZTC Certification for Waterproof Systems

Détails de produit

Taille:

DN200

certificat:

La valeur ajoutée est la valeur ajoutée de la valeur ajoutée.

Connexion:

Bride

Temps de garantie:

18 mois

Mot clé:

Fabricants de joints de dilatation en caoutchouc

Matériau de bride:

Les produits de base doivent être présentés dans un emballage de qualité supérieure.

Matériau en caoutchouc:

EPDM, NBR, NR

OEM:

20 années d'expérience

Échantillon:

Librement

Conditions de paiement et d'expédition

Quantité de commande min

Prix

$10.1~$98.2/pc

Détails d'emballage

Boîte en bois

Délai de livraison

5-8 jours ouvrables

Conditions de paiement

L / C, D / A, D / P, Western Union, T / T, Moneygram

Capacité d'approvisionnement

5000 ensembles/semaine

PRODUITS CONNEXES

Customized DN300 EPDM NBR Rubber Duckbill Check Valve with 20 Years' Experience for Wastewater Applications

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Corrosion Resistant Maintenance Free Duckbill Check Valve with ZTC Certification for Waterproof Systems

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Heat-Resistant Inline Rubber Duckbill Check Valve with 1.0Mpa and 1.6Mpa Pressure Ratings in Black

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ISO9001 Certified DN350 Rubber Bellow with Flange Sewage Duckbill Check Valve with 18months Warranty and 20Years' Experience

Obtenez le meilleur prix

Nous contacter

86-150-93112546

joints@chnflex.com

Contactez-nous maintenant

Description du produit

Rubber Expansion Joints Manufacturers Duckbill Check Valve DN50-DN3000

Rubber Expansion Joints Manufacturers provide a full range of high-quality rubber expansion joints and duckbill check valves from DN50 to DN3000, designed for reliable performance in water supply, wastewater, irrigation, and industrial pipeline systems. Our rubber expansion joints are engineered to absorb vibration, reduce noise, and compensate for thermal movement or misalignment, ensuring long-term protection of pumps and piping equipment. The duckbill check valve offers a simple, maintenance-free solution for backflow prevention, using its flexible rubber "duckbill" outlet to allow forward flow under pressure and instantly seal when flow reverses.

Features & Benefits

100% full rubber structure, which can meet various anti-corrosion requirements (different rubber materials can be selected according to the actual demand)
No blockage and excellent sealing performance
Long service life, no fault and maintenance free operation
No moving parts or mechanical components, eliminating noise and manual operation requirements
Low opening pressure - valve can open with water head more than 0.01M
Minimizes head loss in pipeline systems
Flexible installation options to meet customer requirements
Convenient installation with low cost and operational expenses

Technical Specifications

Pipe Size ID	Length	Height	Flange Outside Diameter
DN(mm) \| NPS	L(mm)	H	A
50 \| 2	150	100	150
80 \| 3	220	140	200
100 \| 4	250	200	225
150 \| 6	340	265	275
200 \| 8	420	325	338
250 \| 10	520	425	400
300 \| 12	620	525	485
350 \| 14	700	625	525
400 \| 16	800	725	588
450 \| 18	900	825	625
500 \| 20	980	925	688
600 \| 24	1120	1025	800
700 \| 28	1180	1125	969
800 \| 32	1350	1400	1080
900 \| 36	1500	1525	1150
1000 \| 40	1600	1725	1325
1200 \| 48	1840	1950	1485

For duckbill check valve, if there are other standard requirements or special flange needs to be customized, please provide written drawings, standards and information, we can customize duckbill check valve for you.

Product Advantages

Competitive factory pricing
17 years of manufacturing experience with 5 years of export experience
Strict quality inspection exceeding industry standards
Customization and OEM services available for various specifications
Free samples available upon request
Large inventory for quick delivery

Applications

The duckbill check valve features an integrated flange design for easy installation. Its all-rubber construction prevents blockage and jamming while allowing solid particles to pass through smoothly, reducing maintenance costs. Primary applications include:

Waterproof systems
Drainage systems
Pump outlets
Lifting pump stations
Submerged aeration systems

Our Services

24-hour customer support
Free product samples
Customization services
Technical drawings provided
Multiple payment options
Factory inspection services (material, specifications, quantity, pressure, packaging)
Extended warranty period
Secure packaging for transportation

Frequently Asked Questions

Q: What's the rubber material of Rubber Expansion Joints Manufacturers?

A: EPDM, CR, NBR, etc. Material selection depends on the working environment and media.

Q: Is the flange galvanized?

A: Yes, we offer both electronic galvanized and hot dip galvanized flanges, as well as painted flanges.

Q: Can the product be marked with customized logo?

A: Yes, we provide OEM/ODM services including custom logo marking.

Q: Can you provide product drawings?

A: Yes, we can provide technical drawings upon request.

Les étiquettes：

Corrosion Resistant Maintenance Free Duckbill Check Valve with ZTC Certification for Waterproof Systems

Corrosion Resistant Duckbill Check Valve

Maintenance Free Rubber Duckbill Valve

ZTC Certified Duckbill Non Return Valve

Customized DN300 EPDM NBR Rubber Duckbill Check Valve with 20 Years' Experience for Wastewater Applications

Corrosion Resistant Maintenance Free Duckbill Check Valve with ZTC Certification for Waterproof Systems

Heat-Resistant Inline Rubber Duckbill Check Valve with 1.0Mpa and 1.6Mpa Pressure Ratings in Black

ISO9001 Certified DN350 Rubber Bellow with Flange Sewage Duckbill Check Valve with 18months Warranty and 20Years' Experience

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