dual-disc check valve

Short Description:

 

Wafer type check valve a save energy product, is manufactured based on the foreign advanced technology and in accordance with relative international standards. This product is featured by excellent retaining performance, high safety and reliability and low flow resistance . It is  suitable for systems in the industries of petrochemical, food processing, medicine,textile, paper making, water supply and drainage, metallurgy, energy and light industry etc used as used as a check valve in one way.


Product Detail

Product Tags

对夹式碟型止回阀

Pressure and temperature

DN(mm)

Nominal diameter 

50(2″)~700(28″)

50(2″)~450(18″)

PN

(Nominal pressure)

1.0 1.6

MPa

Testing pressure

Shell 1.5 2.4
Sealing 1.1 1.76

Suitable temperature

Suitable mediums

Frash water,sewage,air,steam,food,medicine,oils,acids,etc.

Meterial of main parts

parts

material

body

cast iron, ductile iron,

seat

EPDM, NBR,VITON, PTFE

disc

nickel ductile iron,AI bronze, stainless steel

stem

carbon steel, stainless steel

bushing

PTFE

“O” ring

PTFE

pin

stainless steel

key

stainless steel

Executive Standard:

Design Standard EN 593 , MSS SP67   API 609  BS5155
Inspection & Test API 598  ISO 5208  EN 12266
End Standard ANSI B16.1 CL. 125LB & B16.5 CL. 150LBAS 2129 Table D & E   BS 10 Table D & EDIN 2501 PN6, PN10 & PN16EN 1092 PN6, PN10 & PN16ISO 2531 PN6, PN10 & PN16ISO 7005 PN6, PN10 & PN16KS B 1511 / JIS B 2210 5K & 10KMSS SP44 CL. 150LB  AWWAC207SABS 1123 Table 1000/3 & Table 1600/3
Face to Face ISO 5752 , EN 558 , MSS SP67 and API 609  DIN3202

Main dimensions and weight

DN D D1 D2 L R t weight(kg)
mm inch
50 2″ 107 65 43.3 43 28.2 19 1.5
65 2.5″ 127 80 60.2 46 36.1 20 2.4
80 3″ 142 94 66.4 64 43.4 28 3.6
100 4″ 162 117 90.8 64 52.8 27 5.7
125 5″ 192 145 116.9 70 65.7 30 7.3
150 6″ 218 170 144.6 76 78.6 31 9.0
200 8″ 273 224 198.2 89 104.4 33 17
250 10″ 328 265 233.7 114 127 50 26
300 12″ 378 310 283.9 114 148.3 43 42
350 14″ 438 360 332.9 127 172.4 45 55
400 16″ 489 410 381.0 140 197.4 52 75
450 18 539/555 450 419.9 152 217.8 58 101/107
500 20″ 594 505 467.8 152 241 58 111
600 24″ 690 624 572.6 178 295.4 73 172
700 28″ 800 720 680 229 354 98 219

 

 

 


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