Ductile Iron/Cast Steel ball check valve /DN50-DN350

Place of Origin: China
Brand Name: HRM
Model Number: HRM-DFBCHV-0032
Certification: CE/ISO9001
Minimum Order Quantity: 10PCS
Price: $7.5+
Packaging Details: Plywood case
Delivery Time: Generally in 15-35 days
Payment Terms: T/T Or L/C
Supply Ability: 120000pcs(DN50-DN350)/Year
Quick Detail:  Description:   Design & Manufacturer: BS 5153 and DIN 2533, API6D  Face to Face: ANSI B16.10, EN 558-1 series 48, DIN 3202 F6   Test & Inspecting:API598, EN12266  Flange Drilling:ANSI B16.5, EN 1092-1 PN10/PN16/PN25   Size:DN50(2”)-DN350(14”)  Nominal Pressure:PN10/PN16/150LB  Working Temperature:-10℃--+120℃  Suitable Mediums:Fresh water, Sewage, Sea water, Air, Oils, Acids, Alkalis,Salts,etc.   Applications:  Water Supply  Sewage Treatment Building Trades Power Industry Petroleum & Chemical Metallurgy Industry Specifications:  Table 1:  Part Name & Materials Choice 
Part Name  Materials’ Choice
1 2 3 4 5 6 7
Body  CI DI WCB
Cover CI DI WCB
Ball Steel coat Rubber (Detailed in Table 3)
Detailed  Standards of The Materials in the below table (Table 2)
Table 2 : Detailed Standards of The Materials 
Code Materials ASTM DIN EN
1 CI ASTM A126 CLB GG25 BS EN-GJL-250
2 DI ASTM A536 65-45-12 GGG40 BS EN-GJS-400
3 WCB ASTM A216 WCB GS-C25 BS EN10213-2 1.0619
Table 3: Detailed Materials of Rubber Seat
Material Applicable Medium Feature Applicable Temp(℃)
EPDM(X3) Fresh water, Sea water,Salt, Steam Aging resistant -25~+110℃Short time +120℃
NBR(X5) Fresh water,Salt, Strong base, Natural gas, Oil Oil resistant -20~+100℃Short time +110℃
Color of Painting: RAL color code Tag: check valve, flanged, ball, ball check valve