• Double Disc Check Valve
Double Disc Check Valve

1.Standard:API598,DIN3356,BS7350，EN12266-1
2.Size : DN15~DN600mm (1/2"-24")
3.Body material:Carbon Steel A216 WCB/A105 ,Stainless steel 
4.Suitable Mediums:water , oil , gas,steam
5.Type：wafer ,swing

Tel: +86-532-66952179/66952180

E-mail: info@qdiflow.com

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Tel: +86-532-66952179/66952180
Fax: +86-532-66952181     
E-mail:info@qdiflow.com
Sales office address: Unit 1517-1520, Building 4, Excellence Century Center, No. 31 Longcheng Road Qingdao, China.
Factory address: No.15, Jinshajiang Road, Tongji Street, Jimo District, Qingdao，China

Description
Specification
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Description

Technical Specification  
Design Standard API594
Face to face API594
Flanged ends ASME B16.5
Test & inspection API598

Note:the dimensions of connection ends can be desighed as per customers’requirements.

Specification

No. Part Material

Qingdao I-Flow Co., Ltd

1 Body ASTM A216-WCB,ASTM A352-LCB
ASTM A351-CF8,CF8M,CF8C,CF3,CF3M
2 Disc ASTM A216-WCB,ASTM A352-LCB
ASTM A351-CF8,CF8M,CF8C,CF3,CF3M
3 Spring AISI9260,AISI6150
ASTM A182-F304,F316,F321,F304L,F316L
4 Plate ASTM A216-WCB,ASTM A350-LF2
ASTM A351-CF8,CF8M,CF8C,CF3,CF3M
5 Lock ring AISI9260,AISI6150
ASTM A182-F304,F316,F321,F304L,F316L

 

Dimensions and Weights CLASS150-900

 

Pressure CLASS 150 CLASS 300
Size mm 15 20 25 32 40 50 65 80 100 125 150 15 20 25 32 40 50 65 80 100 125 150
in 1/2 3/4 1 11/4 11/2 2 21/2 3 4 5 6 1/2 3/4 1 11/4 11/2 2 21/2 3 4 5 6
L(mm) 16 19 22 31.5 31.5 40 46 50 60 90 106 25 31.5 35.5 40 45 56 63 71 80 110 125
H(mm) 47 57 66 85 85 103 122 135 173 196 222 53 65 72 81 95 110 129 148 180 215 250
Weight(Kg) 0.2 0.3 0.45 0.8 0.8 1.2 2.3 3 7 12 15 0.23 0.36 0.52 0.75 1.1 1.95 2.9 5.5 9 15 20
Pressure CLASS 600 CLASS 900
Size mm 15 20 25 32 40 50 65 80 100 125 150 15 20 25 32 40 50 65 80 100 125 150
in 1/2 3/4 1 11/4 11/2 2 21/2 3 4 5 6 1/2 3/4 1 11/4 11/2 2 21/2 3 4 5 6
L(mm) 25 31.5 35.5 40 45 56 63 71 80 110 125 25 31.5 35.5 40 45 56 63 71 80 110 125
H(mm) 53 65 72 81 95 110 129 148 192 240 265 63 69 78 88 98 142 164 167 205 247 288
Weight(Kg) 0.25 0.38 0.55 0.8 1.2 2 2 6 10 17 22 0.3 0.4 0.6 1 1.5 2.5 4 8 13 20 25

 

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