BW gate valve from China manufacturer - Luofu Group-Zhejiang Lidejia Valve Co., Ltd.

Payment Terms:	L/C,T/T
Place of Origin:	Zhejiang, China (Mainland)

Product Detail

Means of Transport: by sea/air/DHL

Packing: wooden case

Brand Name: LDJ

Production Capacity: 5

Delivery Date: 20 days

Certificate: API,ISO,CE

Suitable working pressure 100MPa,working temperature 425℃, Suitable medium water, steam, oil and Non-caustic gas.

Characteristics:

1. S/Y series usually use double disks and bi-directional flexible seal, open and close nimbly,reliable for seal.

2. Have simple in structure, compact reasonable, examine and repair conveniently, operation life long

3. Be used for on and off device on the pipe and must be full open and full closed, can not be used for regulate flow.

4. The connection type are flanged and welded, actuator are gear/handle and electrical.

Design and manufacture standard:

Design and manufacture:GB12234

Flange size: GB9113 JB7490

Pressure and temperature: JB/T74 GB9131

Welded size:-

Test and inspection: JB/T9092 GB13927

Main Function Specification

Nominal pressure(MPa)
Shell test	1.0	1.6	2.5	4.0	6.4	10.0
Seal test	1.5	2.4	3.8	6.0	9.6	15.0
Back seat seal test	1.1	1.8	2.8	4.4	7.0	11.0
Gas Seal Test	1.1	1.8	2.8	4.4	7.0	11.0
Suitable range
Model	Temperature(℃)			Suitable medium
Carbon steel series	≤425			Water, steam, oil and Non-caustic gas
Alloy series	≤540			Water, steam, oil and Non-caustic gas

Main Parts Material

Model	Part Name
Model	Body ,Bonnet and York	Stem	Plate, Disc and Seal face	Seat Seal face,	Stem Nut	Packing
Carbon steel series(C)	WCB	1Cr13 or 2Cr13	Cr13serise stainless steel or hard alloy	Stainless Steel	Aluminum Bronze	Soft Graphite
Alloy series(I)	WCB Cr5Mol	20Cr1Mo1VA	Co-Alloy	Hard Alloy	Aluminum Bronze	Soft Graphite