Ductile Iron Diaphragm Valve

Item:diaphragm valve
Size: DN15-DN400
Pressure: 1.0-1.6MPa
Material: ductile iron
Connection: flange
Operation: manual
MOQ: 1set
Place of origin: China

Product Details

  DI diaphragm valve

 


1. Diaphragm made of rubber and other soft seals has the good sealing performance. Since the diaphragm is a vulnerable part, it should be replaced regularly according to the characteristics of the medium.

2. Due to the limitation of diaphragm material, diaphragm valve is suitable for low pressure and relatively low-temperature occasions.

3. Diaphragm valves can be divided into six types according to their structure: house type, DC type, cut-off type, straight-through type, gate type and right-angle type; the connection form is usually flanged connection; according to the driving mode, it can be divided into manual, electric and pneumatic There are three types, of which pneumatic drive is divided into three types: normally open, normally closed and reciprocating.

   

             

             

Product parameter of a ductile iron weir diaphragm valve

Nominal diameter: DN15-DN400

Pressure: 1.0MPa, 1.6MPa

Material: ductile iron 

Valve body: ductile iron
Valve cover: ductile iron
Lining: rubber
Diaphragm: Rubber
Disc: cast iron
Stem: Carbon steel, stainless steel

Handwheel: Cast iron




Product standard of a ductile iron weir design diaphragm valve

Design & Manufacture : BS5156

Face to face: BS5156

Flange collection size: BS4504

Inspection & Test: GB/T 13927:

For Body: 1.5 times nominal pressure

For Seal: 1.1 times nominal pressure





ductile iron diaphragm valve




Size table of a DI weir type diaphragm valve

DN

LDD1n-ФdfH1H2
mmmmmmmmmmmmmm
1510895654-1429099
20117105754-14293103
25127115854-142100112
321461401004-182127144
401591501104-18213656
501901651254-182151177
652161851454-182183213
802542001608-182190230
1003052201808-182242285
1253562502108-183285648
1504062852408-223353431
2005213402958-223445537
25063539535012-225598734
30074944540012-225698778
35078750546016-225723883
40091456551516-2658681078




FAQ


Q1: Is it possible to print our logo in valves? 
Of cause. Pls issue your instruction and provide logo image if needed.
 

Q2: Do you accept sample order?

Yes. We understand some clients worry about quality. Sample order is accepted.

Q3: What is your Minimum Order Quantity?
We have very low MOQ. Usually, one set is good. Welcome to discuss with us! Trial order is available.
 
Q4: Do you offer quick delivery?
 Our production lead time is shorter than other factories. 




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