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Material of elastic soft seal gate valve for main parts

Elastic soft sealing gate valve main parts material:
Item

Part number

Name
It
Texture of material

1 RV-01 body nodular cast iron and gray cast iron
2 RV-02 seal ring NBR
3 RV-03 valve cover spheroidal graphite cast iron and gray cast iron
4 RV-04 O-RING NBR
5 RV-05 dust cover NBR
6 RV-06 fixed bolt steel or galvanized bolt
7 RV-07 drive cap spheroidal graphite cast iron and gray cast iron
8 RV-08 valve spheroidal graphite cast iron overlying EPDM or NBR
9 RV-09 copper nut bronze
Item

Part number

Name

Texture of material

10 RV-10 body 2Cr13
11 RV-11 bolt steel or galvanized bolt
12 RV-12 O-RING NBR
13 RV-13 thrust bearing bronze
14 RV-14 O-RING NBR
15 RV-15 shaft cover spheroidal graphite cast iron and gray cast iron
16 RV-16 bolt galvanized bolt
17 RV-17 handwheel grey cast iron

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