Check valve wafer dual plate Cast iron-Nickel-NBR

Check valve wafer dual plate Cast iron-Nickel-NBR
NBR
Model: Wafer check valve Material body: Cast iron EN-GJL 250
Connection: PN10/16/25/40 Class 150 Material disc: Nickeled ductile iron GGG40
Temperature: -10°C / +80°C Material seat: NBR
Pressure: 16 bar up to DN300 check PDF Material spring: Stainless steel AISI 304
Lloyd’s Register Type Approval for marine applications
Body material Cast Iron-GG25-EN-GJL-250
Disc / Ball / Wedge Ductileiron-EN-GJS-400-15-nickeled.coat
Seat NBR
lloyds-register ce 31 iso9001
40
43
IMPA 333343
€41.24
Qty
minus-sm
plus-sm
50
54
€41.24
Qty
minus-sm
plus-sm
65
54
€44.68
Qty
minus-sm
plus-sm
80
57
€53.82
Qty
minus-sm
plus-sm
100
64
€69.10
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minus-sm
plus-sm
125
70
€86.75
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minus-sm
plus-sm
150
76
€120.31
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minus-sm
plus-sm
200
95
€195.93
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minus-sm
plus-sm
250
108
€274.98
Qty
minus-sm
plus-sm
300
143
€401.64
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minus-sm
plus-sm
350
184
€791.33
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minus-sm
plus-sm
400
191
€1,134.27
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minus-sm
plus-sm
450
203
€1,563.98
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minus-sm
plus-sm
500
213
€2,053.11
Qty
minus-sm
plus-sm
600
222.
€2,269.99
Qty
minus-sm
plus-sm

Cast iron dual plate check valve for heating and water distribution.
Wafer type with short length and with a hoisting eye from DN200 to 600 for easy installation.

SPECIFICATIONS :
• Vulcanized gasket
• Hoisting eye from DN200 to 600
• Short length
• Anti-corrosion stainless steel spring
• PTFE bushing
• Weak head loss
• Vertical position with ascendant fluid or horizontal position ( respect the flow direction indicated by the arrow )
• Between flanges PN10/16, and Class 150 PN20
• From DN50 to DN80 : 4 holes on the body to be compatible Class 150 (PN20)
• Epoxy painting RAL5005 80 microns thickness
• Minimum backpressure for tightness : 2 bars
USE :
• Heating, water distribution
• Min and max Temperature Ts : - 10°C to + 80°C ( 100°C temporarily )
• Max Pressure Ps : 16 bars up to DN300 included and 10 bars over
• Do not use with pulsatory speed

STANDARDS :
• Manufacturer certified ISO 9001 : 2015
• DIRECTIVE 2014/68/EU : For liquids and gas of Group 1
o DN40-50 : Risk category I, CE marking
o DN65-200 : Risk Category II, CE 0035 marking
o DN250-300 : Risk Category III, CE 0035 marking
o DN350 : Risk Category II, CE 0035 marking
o DN400-600 : Risk Category III, CE 0035 marking
• Certificate 3.1 on request
• Designing according to API 594
• Pressure tests according to API 598, table 6
• Length according to EN 558 Series 50
• Between flanges according to EN 1092-1 PN10/16
• Check valves according to LR Rules and Regulation for the classification of Ships, July 2019 (Type
Approval Certificate) Marine LLOYD’S REGISTER. LR Type Approval System Test Specification Number
2, Chapter 8, Appendix 7-Valves :
o BS EN 12266-1 : 2003
o ISO 52008:2008
o BS EN 1561
o BS EN 1563
o ASTM A431