Viotn Lined Wafer Dual Check Valve

Structural Feature Short structural length,only 1/4-1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4-1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...

Product Details

Viotn Lined Wafer Dual Check Valve

Overview

Dual  Check Valve is designed to operate with the minimum of flow restriction.

The twin spring loaded half disc operate with the pipeline flow and reseal back against the rubber disc seating providing a positive shut off against any back flow. The resilient seating prevent a slamming action.

Check Valves offer greater flexibility and low cost in most piping systems and moreover, of its light weight, it is so convenient to install and has smaller face to face dimension than conventional swing check valve.

These valves can be supplied to match the international standards of flange (DIN, ANSI, JIS & BS).


Specifications 

Size:

1/2" ~ 48" 

 (DN15 ~ DN1200)

Pressure  range:

Class 150 ~ 2500

 (PN16 ~ PN1200)

Working   temperature: 

-196℃ ~ +560℃

Suitable medium:

Water, Steam, Oil  products, Nitric acid, Acetic acid

Body material:

Carbon steel, Stainless  steel, Alloy steel, Bronze, etc


Feature

1. Low volume, light weight, Short structural length;

2. Applicable for and easily installed for vertical or horizontal pipelines;

3. Integrated structure, simple and compact, in beautiful shape;

4. Quick valve disc closedown, low water hammer pressure;

5. Smooth flow passageway and small fluid resistance;

6. Narrow valve travel and small closedown impact;

7. Flexible action and good sealing performance;

8. Long service life and good reliability.


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

Monel

M30C, M35-1, CZ100, etc

Inconel

CY40 inconel 600, etc

Hastelloy

CW2m Hastelly C4, N12MV Hastelloy B, etc

Incoloy

CU5MCuC Incoloy 825, CW6MC Incoloy 625, etc



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