Contact us

PN Casting Steel Swing Check Valve High Pressure

  1. Home
  2. /
  3. Products
  4. /
  5. Check Valve
  6. /
  7. PN Casting Steel Swing...

Products

PN Casting Steel Swing Check Valve High Pressure

Enquiry

Product Description

Design Specifications

Design standards Structure length Flange connection Test and inspection
GB/T12235 GB/T12221 GB/T9124.1,JB/T79,HG/T20592 GB/T26480

 

Pressure Test

Pressure rate Shell test (Mpa) Sealing test (Mpa) Temperature Suitable medium
1.6 2.4 1.76 ≤600℃ Water,Oil,Gas
2.5 3.75 2.75
4 6 4.4
6.3 9.45 6.93
10 15 11
16 24 17.6

 

Material of Main Parts

NO. Part Name Part Material
1 Body WCB,WC6,WC9,C5 CF8,CF8M,CF3,CF3M
2 Disc 25,1Cr13,2Cr131Cr18Ni9Ti OCr18Ni12Mo2TT 20cr1Mo1V,25CT2Mo
3 Stem 1Cr13,2Cr13,1Cr18Ni9Ti,0Cr18Ni12Mo2Ti 20Cr1Mo1V,25Cr2MoV
4 Flat cover 25,1Cr13,2Cr131Cr18Ni9Ti OCr18Ni12Mo2TT 20cr1Mo1V,25Cr2Mo
5 Gaske Flexible graphite &stainless steel
6 Bonnet WCB,WC6,WC9,C5,CF8,CF8M,CF3,CF3M
7 Stud 35CrMoA,OCr18Ni9,0Cr17Ni12Mo2,25Cr2MoV
8 Nut 45,35 CrMoA
9 Packing Flexible graphite,OCr18Ni9,0Cr17Ni12Mo2,25Cr2MoV
10 Gland cover r1320r13
11 Gland flange WCB,CF8,CF8M,CF3,CF3M,iCr18Ni9TLOCr18Ni12Mo2Ti
12 Yoke nut Copper alloy
13 Hand whee KTH330,QT400-17

 

PN64 Main External Dimension(Unit:mm)

DN L D D1 D2 b z-d
50 300 180 135 102 26 4-22
65 340 205 160 122 26 8-22
80 380 215 170 138 28 8-22
100 430 250 200 162 30 8-26
125 500 295 240 188 34 8-30
150 550 345 280 218 36 8-33
200 650 415 345 285 42 12-36
250 775 470 400 345 46 12-36
300 900 530 460 410 52 16-36
350 1025 600 525 465 56 16-39
400 1150 670 585 535 60 16-42

 

PN100 Main External Dimension(Unit:mm)

DN L D D1 D2 b z-d
50 300 195 145 102 30 4-26
65 340 220 170 122 34 8-26
80 380 230 180 138 36 8-26
100 430 265 210 162 40 8-30
125 500 315 250 188 40 8-33
150 550 355 290 218 44 12-33
200 650 430 360 285 52 12-36
250 775 505 430 345 60 12-39
300 900 585 500 410 68 16-42
350 1025 655 560 465 74 16-48
400 1150 715 620 535 78 16-48

 

PN160 Main External Dimension(Unit:mm)

DN L D D1 D2 b z-d
50 300 215 165 132 36 8-25
65 340 245 190 152 44 8-30
80 380 260 205 168 46 8-30
100 430 300 240 200 48 8-34
125 500 355 285 238 60 8-41
150 550 390 318 270 66 12-41
200 650 480 400 345 78 12-48
250 750 580 485 425 88 12-54
300 900 665 570 510 100 16-54