The swing type check valve, designed with PN40 RF flange, bolted cover, is made of cast steel 1.0619 and ss316 trim material. The full bore check valve can be manufactured per client's special requests.
Quick Detail
|
Type
|
Non
Return Valve ( Check Valve)
|
|
Nominal Size
|
DN
150
|
|
NominalPressure
|
PN
40
|
|
Construction
|
BB,
Swing Type Disc, Exnternal Pin
|
|
Connection
|
Raised
Face Flange
|
|
Design & Manufacture
|
DIN
3356
|
|
End to End
|
EN
558
|
|
Connection
|
EN
1092
|
|
Test &
Inspection
|
EN
12266
|
|
Body Material
|
GS-C25
(1.0619)
|
|
ApplicableTemp
|
-29℃~+425℃
|
|
Media
|
W.O.G.
|
Material
|
No
|
Part Name
|
Carbon
steel to ASTM
|
Alloy
steel to ASTM
|
Stainless
steel to ASTM
|
|
WCB
|
LCB
|
WC6
|
WC9
|
C5
|
CF8
|
CF8M
|
CF3
|
CF3M
|
|
1
|
Body
|
A216 WCB
|
A350 LCB
|
A217 WC6
|
A217 WC9
|
A217 C5
|
A351 CF8
|
A351 CF8M
|
A351 CF3
|
A351 CF3M
|
|
2
|
Seat Ring
|
A105
|
A350 LF2
|
A182 F11
|
A182 F22
|
A182 F5
|
A182 F304
|
A182 F316
|
A182 F304L
|
A182 F316L
|
|
3
|
Disc nut
|
A182 F304
|
A182 F304
|
A182 F316
|
A182 F304L
|
A182 F316L
|
|
4
|
Disc washer
|
A182 F304
|
A182 F304
|
A182 F316
|
A182 F304L
|
A182 F316L
|
|
5
|
Disc
|
A216 WCB
|
A350 LCB
|
A217 WC6
|
A217 WC9
|
A217 C5
|
A351 CF8
|
A351 CF8M
|
A351 CF3
|
A351 CF3M
|
|
6
|
Hinge
|
A216 WCB
|
A350 LCB
|
A217 WC6
|
A217 WC9
|
A217 C5
|
A351 CF8
|
A351 CF8M
|
A351 CF3
|
A351 CF3M
|
|
7
|
Hinge pin
|
A182 F304
|
A182 F304
|
A182 F316
|
A182 F304L
|
A182 F316L
|
|
8
|
Yoke
|
A216 WCB
|
A350 LCB
|
A217 WC6
|
A217 WC9
|
A217 C5
|
A351 CF8
|
A351 CF8M
|
A351 CF3
|
A351 CF3M
|
|
9
|
Bonnet nut
|
A194 2H
|
A194 4
|
A194 7
|
A194 8
|
|
10
|
Bonnet bolt
|
A193 B7
|
A193 L7
|
A193 B16
|
A193 B8
|
|
11
|
Gasket
|
Stainless Steel Spiral
Wound graphite or Stainless Steel Spiral Wound PTFE
|
|
12
|
Cover
|
A216 WCB
|
A350 LCB
|
A217 WC6
|
A217 WC9
|
A217 C5
|
A351 CF8
|
A351 CF8M
|
A351 CF3
|
A351 CF3M
|
|
13
|
Hook screw
|
Steel
|
|
14
|
Name Plate
|
Stainless steel or Aluminum
|
|
15
|
Rivet
|
Stainless steel or Aluminum
|
|
Other Material ( Alloy 20, ANSI 321, Monel Hastelloy, etc)are
available on request
|
Our Service
A good customer service is as valuable as product itself. In Dervos, we will offer a full range of customer service to make you feel easy when doing business with us.
Providing weekly production report
When production begins, you will get production report weekly, so that you can have good command of product status and report to your customer at the meantime.
Offering warranty of 18 months
18 months warranty period will be offered after shipment, no concern to purchase valve from Dervos.
Providing solutions within 3-days for complaints
All the complaints will be solved within 3 days, in this case, you can timely reply and solve problems for your customer, to relax them even when complaints happening.
