Duo Check Valve

Duo Check Valve
Temp Max: 180° F(80° C) Pressure Max: 200 PSI
Class: 150LB to 2500LB
Size: 1-1/2" to 60"
Applications:
General Utilities; Chemical; Power Generation; Oil Field; HVAC; Marine; Petrochemical; Steel Industry; Mechanical Contractors; Commercial Construction

Product Details

Duo Check Valve 


Basic Info Of Duo Check Valve

Cast Steel and Cast Iron Wafer Check Valves--duoble plate wafer check valve, single plate wafer check valve
Standard compliance
1) Design and manufacture: API6D, API594
2) Test and inspection: API598
3) Face to face dimensions: API594
4) Install between flanges: ANSI B16.5, B16.47 SERIES A & SERIES B, JIS, BS, DIN
Specifications:
1) Size: 1-1/2" to 60"
2) Class: 150LB to 2500LB
3) Type: Double plate or single plate, wafer type, lugged type, flanged type. Metal seat or soft seat.


Double plate check valve wafer type
Temp Max: 180° F(80° C) Pressure Max: 200 PSI
Operation:
Two independent discs, hinged on a common shaft are held parallel against an elastomer seat by torsional spring force
Installation:
Split Disc check valves are designed for simple Flange-supported installations between standard flanges in the horizontal or in the vertical flow up position. For horizontal flow applications valve must be installed with disc hinge pin in the vertical position to insure proper operation.
Applications:
General Utilities; Chemical; Power Generation; Oil Field; HVAC; Marine; Petrochemical; Steel Industry;
Mechanical Contractors; Commercial Construction
Meanwhile we can also provide check valve/ball valve/ diaphragm valve/butterfly valve. Both for industry. You are welcomed to design size as your request, we will do our utmost to meet you.
API flanged check valve(stainless steel check valve, cast iron check valve)


Products Specification about Duo Check Valve

Standard materials of parts
No.Part NameMaterial
1BodyGrey iron, Ductile iron, Cast steel, Stainless steel
2DiscDuctile iron, Aluminum bronze, Stainless steel
3SpringStainless steel
4Hinge PinStainless steel
5Stop PinStainless steel
6PlugSteel
7Body BearingPTFE
8Spring BearingPTFE
9Eye BoltSteel
10Body SeatEPDM, Neoprene and NBR etc.
Dimensions (in mm & inch) and weight
SizeφAφEBGRFWT
KGS

mminch





502"102654328.8191.5
652.1/2"121804636.1202.4
803"134946443.4283.6
1004"1711176452.8275.7
1255"1931457065.7307.3
1506"2191707678.6319.0
2008"27622489104.43317
25010"3362651141275026
30012"406310114148.34342
35014"448360127172.44555
40016"489410140197.45275
45018"511450152217.858101
50020"54650515224158111
60024"603624178295.473172

Quality Control About Duo Check Valve

Duo Check Valve


Structural characteristics:                                                             

1. Well-selected materials, meet with domestic and foreign standards, reasonable structure, beautiful shape. 

2. Stem has a good anti-corrosion and scratch resistance after quenching and surface nitriding treatment

3.Can be used with a variety of flange pipe standard and sealing surface pattern to meet the various engineering needs and users' requirements. 

4.Full range of body materials, packing and gasket can matched based on the actual working conditions and users' reasonable request ,applied to all kinds of pressure, temperature and medium conditions. 


Packing and Loading about Duo Check Valve

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