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Aluminum Bronze Wafer Dual Check Valve

Aluminum Bronze Wafer Dual Check Valve

Product Details

Aluminum Bronze Wafer Dual Check Valve


Check Valve is applicable for various pipelines with nominal pressure of PN1.0MPa~42.0 MPa,Class150~2500 and nominal diameter of DN15~1200mm,NPS1/2-48 and working temperature of -196~540℃ to be used for protecting from medium back flowing. The different materials selection can apply to the medium involving water, steam, oils, nitric acid, strong oxidizing medium and urea etc.


WCB CF8 CF3 GR4A Hastelloy C etc.

Material Option:  

Carbon steel  

A216 Gr. WCB, WCC, WCA, etc

Low temperature steel

A352 Gr. LCB, LCC, LC1, etc

Cr-Mo steel

A217 Gr. WC6, WC9, C5, C12, C12A, etc

Stainless Steel

A351 Gr. CF8, CF8M, CF3, CF3M, CF8C, etc

Alloy steel

CN7M alloy 20, CN3M alloy 20 modified, CT15C, etc

Super duplex

A995 Gr. 4A, 5A, CE8MN, CD6MN, CD3MN, etc

Aluminum bronze

B148 C95500, C95600, C95800, etc


M30C, M35-1, CZ100, etc


CY40 inconel 600, etc


CW2m Hastelly C4, N12MV Hastelloy B, etc


CU5MCuC Incoloy 825, CW6MC Incoloy 625, etc


Quick Details

Type: Wafer

Media: Water

Port Size: 1.5"~60" (DN40~DN1500)

Pressure: Medium Pressure, 150LB

Temperature of Media: Normal Temperature

Standard or Nonstandard: Standard

Seat: Epdm

Body: ASTM B148 C95800

Disc: ASTM B148 C95800 

Sructural Feature

Long life span, high reliability.

Easy flow, little flow resistance.

Short in Length, Small in size and light in weight

Can be installed vertically or horizontally.

Quick in closing, small in water hamper.

Quick reaction, good seal performance.

Compact structure, beautiful design.

Short in Stroke, small in closing impact.


To API594
Face to face per ANSI B 16.10

Flange ends dimension ANSI B 16.5/ANSI B 16.47
Final inspection tests to API598.

Applicable temperature: -196-540 different raw material for different work temperature
Applicable medium: Water, oil, gas and other causticity medium (different raw material for different medium)
About this product:

We welcome all the world customers to contact us for more cooperation.

With our years of technical knowledge and experience,we assure you,

Naibang will be one of your best parters in China.


1 Are you a factory or trading company?
We are a factory specialized in manufacturing valves about 20 years.

2 Where are the main markets for your products?
We hope to make business with companies from all over the world. And for now, our valves and fittings have been exported to especially in North America, South America, South Asia, Europe and Middle East.

3 Do you have a minimum quantity of the products?
No, we will build business with you with even 1pc. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service.

4 Can you print our Logo on the valves?
Yes, we can totally produce products according to your special request.

5 What is your lead time?
It's around 25-45 days normally. 

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