Non-rising Stem Gate Valve

Resilient Seated Gate Valve 1)Size : DN40-DN600 2)Design Standard : DIN3352 3)Certificate;ISO9001&CE 4)Good sealing effect

Non-rising Stem Gate Valve  

Specification:

1.Design Standard: DIN3356

2.Resilient seated gate valve

3.Body and bonnet of Ductile Iron

4.Flanges and drilling to DIN2533 PN16

5.Face-to-Face and general dimensions to DIN3202 F4

6.Wedge of ductile iron with fixed wedge nut, fully encapsulated with EPDM rubber.

7.Stem of stainless steel 410.

8.Bonnet gasket in groove between body and bonnet

9.Countersunk bonnet bolts encircled by the bonnet gasket and sealed with hot melt.

10.Epoxy coating to AWWA C550- internally and externally.

Main part of material:

Part Name	Materials
Body	Ductilie Iron
Wedge	Ductilie Iron+NBR
Stem	stainless steel
Wedge Nut	Brass
Bonnet	Ductilie Iron
Dustproof Cover	EPDM
Holding Ring	Nylon
"O"Ring	EPDM
Half Ring	Stainless steel /Brass
"O"Ring	EPDM
Dustproof Ring	EPDM
Handwheel	Ductilie Iron
Bolt	Carbon Steel