Product Description

specification

Body Sizes and End Connection Styles

Body size inches(DN)                   Ductile Iron                                        WCB Steel

3/4(20)                                                                     NPT                                           NPT,300RF or 600RF flanged

1 or 2(25 or 50)                                                      NPT                                 NPt,150RF,300RF,600RF,or PN 16/25/40 flanged

 

 Features

Iternal Relief Valve Available

Relief Operation Indicator

Installation Adaptability

Application Versatility

Tamper-resistant

Wide Range of Flow Capability

Tight Shutoff Capability

NACE Configuration

DVGW Approved

Maxmum Inlet Pressure

2000psig(138bar) for NPTscrewed steel,

1480psig(102bar)for raised-face flanged steel,or 1000 psig(69bar) for ductile  iron

 

Outlet Pressure Range

5 to 500 psig(0.34 to 34.5 bar) in 6 ranges.

 

Internal Relief Performance

Type 627MR:limited by field-installed control

 

Pressure Registration

Internal registration

 

Temperature Capabilities

-20 ° to 180 ° F(-29 ° to 82 ° C)

certification Standard

 CE  API  ISO9001:2000

 

 

 

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Email:Yang@ldvalve                            

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