10 Inch PN20 Dual Plate Wafer Type Check Valve Class 150 DN250 Cast Steel API594 A351 CF8

Basic Information
Place of Origin: LISHUI,ZHEJIANG
Brand Name: VERVO
Certification: API/ISO/CE
Model Number: H71W-PN20-DN250
Minimum Order Quantity: 1
Packaging Details: plywood case
Delivery Time: 30
Payment Terms: T/T, L/C, D/P, Western Union
Supply Ability: 400000
Design Standard: API594 Body Material:: Casting Steel Stainless Steel A351 CF8
Nominal Diameter: 10Inch/DN250 Pressure: PN20
End Connection.: Wafer End Type Face To Face: API594
Test And Inspection: API 598
High Light:

Dual Plate Check Valve Class 150

,

PN20 Dual Plate Wafer Type Check Valve

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Dual Plate Type Check Valve

DN250 Cast Steel Wafer Check Valve 10 Inch PN20 API594 Dual Plate Check Valve A351 CF8 Stainless Steel Check Valve

Retainerless design valves are standard in VERVO dual plate check valves; we also can provide valves with retainer plug upon request

Item Dual Plate Wafer Check Valve
Certification ISO9001,ISO14001,ISO18001,TS,CE,API
Brand VERVO
Model number H71W-PN20-10INCH
Port Size 10inch/DN250
Structure type Retainerless Design Dual Plate Wafer Check Valve
Pressure PN20
Temperature -46-325
Connection form Wafer Type End
Material Casting Steel Stainless Steel A351 CF8
Feature Easy disassembly

 

Retainerless design

10 Inch PN20 Dual Plate Wafer Type Check Valve Class 150 DN250 Cast Steel API594 A351 CF8 0

VERVO dual plate check valves are offered as retainerless in wafer, lug, flanged, hub end, butt-weld end and thread end body style.

 

Certificate

10 Inch PN20 Dual Plate Wafer Type Check Valve Class 150 DN250 Cast Steel API594 A351 CF8 1

All product registered by LR’s in accordance with CE/PED.

API 594 and API 6D certificate issued by American Petroleum Institute.

 

Inherently fire safe design

10 Inch PN20 Dual Plate Wafer Type Check Valve Class 150 DN250 Cast Steel API594 A351 CF8 1

All VERVO check valves are inherently fire safe due to the valve design, material and construction. In case of fire, both resilient seat and metal seat valves provide metal to metal sealing performance.

 

Light weight and reduced size

10 Inch PN20 Dual Plate Wafer Type Check Valve Class 150 DN250 Cast Steel API594 A351 CF8 1

Installation costs are greatly reduced by VERVO’s light weight and minimal space requirements. The compact design minimizes the distance between flanges and is easily installed between all flanges.

 

Horizontal/Vertical installation

10 Inch PN20 Dual Plate Wafer Type Check Valve Class 150 DN250 Cast Steel API594 A351 CF8 1

Unlike most traditional swing check valves, VERVO check valves are ideal for both horizontal and vertical pipeline installation.

10 Inch PN20 Dual Plate Wafer Type Check Valve Class 150 DN250 Cast Steel API594 A351 CF8 5

STANDARD

Design & Manufacture API 594 ,ASME B16.34,API 6D
Face-to-face API 594, ASME B16.10
End Dimension ASME B16.5 (RF) ASME B16.47 (RF),MSS SP-44 (NPS 22 Only)
Test & inspection API 598, API 6D, ISO 5208

 

TYPICAL MATERIAL

Body,Disc

A216 WCB, WCC, A217 WC6,WC9

A351 CF3, CF8, CF3M, CF8M,

A995 4A, 5A,Monel, Inconel, Hastelloy

 

Seat

 

FKM, HNBR, EPDM,

Pin A276 410, 304, 316,
Spring Inconel x750

 

10 Inch PN20 Dual Plate Wafer Type Check Valve Class 150 DN250 Cast Steel API594 A351 CF8 6

ASME CLASS 150 (PN 20)   ASME CLASS 300 (PN 50)
Size
in/mm
D L Weight (lb/kg)   Size
in/mm
D L Weight (lb/kg)
WAFER / LUG WAFER WAFER / LUG WAFER
2
50
2
50
2.36
60
4
2
2
50
2
50
2.36
60
7
3
2 ½
65
2 ½
65
2.64
67
7
3
2 ½
65
2 ½
65
2.64
67
9
4
3
80
3
80
2.87
73
9
4
3
80
3
80
2.87
73
13
6
4
100
4
100
2.87
73
11
5
4
100
4
100
2.87
73
18
8
6
150
6
150
3.86
98
29
13
6
150
6
150
3.86
98
40
18
8
200
8
200
5
127
55
25
8
200
8
200
5
127
84
38
10
250
10
250
5.75
146
86
39
10
250
10
250
5.75
146
112
51
12
300
12
300
7.13
181
119
54
12
300
12
300
7.13
181
170
77
14
350
14
350
7.24
184
176
80
14
350
14
350
8.74
222
258
117
16
400
16
400
7.52
191
258
117
16
400
16
400
9.13
232
419
190
18
450
18
450
8
203
359
163
18
450
18
450
10.39
264
441
200
20
500
20
500
8.62
219
729
331
20
500
20
500
11.5
292
584
265
24
600
24
600
8.74
222
837
380
24
600
24
600
12.5
318
903
410
28
700
28
700
12
305
969
440
28
700
28
700
12
305
1145
520
30
750
30
750
12
305
1189
540
30
750
30
750
14.5
368
1278
580
36
900
36
900
14.5
368
1872
850
36
900
36
900
19
483
1960
890
40
1000
40
1000
17
432
2533
1150
40
1000
40
1000
22.36
568
2621
1190
48
1200
48
1200
20.63
524
3524
1600
48
1200
48
1200
24.76
629
3744
1700
(1)The dimension and weights are for reference only and subject to change without notice.
(2)For more dimensional information, please contact our sales representative.

 

FAQ

10 Inch PN20 Dual Plate Wafer Type Check Valve Class 150 DN250 Cast Steel API594 A351 CF8 7

1/Do you have any Certification ?

Yes we have ISO9001-2015 and CE/PED according to Directive 2014/68/EU,fire safe certificate,ISO15848-1

2/Can we visit your factory?

Sure, we welcome you to visit our factory , check our production lines and know more about our strength and quality.

3/Do you have quality control system?

Yes, we have ISO/PED certifications and our own quality control laboratory.

4/Can you arrange the shipment for us?

Yes, we have designated sea freight and railway freight forwarders with decades of experiences and we get the best price with earliest vessel and professional service.

5/Can I get some samples?

We are glad to provide free samples to you, but the express fee will be on your charge.

6/What is your after-sale service?

We provide after-sale service and offer 100% guarantee on our products.

7/What is your main products?

Valve, and in order to meet different needs, we expanded our business, we also do sanitary type products.

8/Are you trading company or manufacturer

We are factory, and welcome to visit our factory

9/What is your MOQ

No MOQ, As your request .Normal size and material we have stock

 

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