Design: EN1171, DIN3352, EN1074-1/2
Class: PN10 /Â 16 /Â 25
Face to Face: DIN3202 F4, EN558-1 Series 14
Flange: EN1092-2, ISO7005-2
Testing: EN12266 /Â ISO5208
Size: DN40- DN1200
 Body: Ductile Iron EN- GJS- 500- 7;
Bonnet and Yoke: Ductile Iron EN- GJS- 500- 7;
Wedge: Ductile Iron EN- GJS- 500- 7Â Coated NBR /EPDM EN 681-1;
Wedge Nut: Copper Alloy;
Stem: Stainless Steel X20 Cr13, AISI304/316/431;
Bonnet Gasket: NBR /EPDM EN 681-1;
O-Ring: EPDM/NBR;
HandWheel: Ductile Iron EN- GJS- 500- 7;
Coating: FEB powder epoxyBody: Ductile Iron EN- GJS- 500- 7;
Bonnet and Yoke: Ductile Iron EN- GJS- 500- 7;Â
Gland Cover: Ductile Iron EN- GJS- 500- 7;
Wedge: Ductile Iron EN- GJS- 500- 7Â Coated NBR /EPDM EN 681-1;
Wedge Nut: Copper Alloy;
Stem: Stainless Steel X20 Cr13, AISI304/316/431;
Bonnet Gasket: NBR /EPDM EN 681-1;
O-Ring: EPDM/NBR;
Hand Wheel: Ductile Iron EN- GJS- 500- 7;
Coating: FEB powder epoxyBody: Ductile Iron ASTM A536 65-45-12;
Bonnet: Ductile Iron ASTM A536 65-45-12;
Yoke: Ductile Iron ASTM A536 65-45-12;
Gland Cover: Ductile Iron ASTM A536 65-45-12;
Wedge: Ductile Iron ASTM A536 65-45-12 covered EPDM ASTM D2000;
Wedge Nut: Copper Alloy;
Stem: Stainless Steel X20 Cr13, AISI304/316/431
Stem Nut: Copper Alloy;
Bonnet Gasket: EPDM ASTM D2000;
Packing Cork: Copper Alloy;
O-Ring: EPDM ASTM D2000;
Hand Wheel:Ductile Iron ASTM A536 65-45-12.
A Professional Supplier of Piping System Equipment
Anhui Sunval International Co. Ltd is a professional supplier of piping system equipment. Our company focuses on iron valves, steel valves, copper alloy valves, pipes and related accessories. We offer design, production, quality control and export as well as after service on industrial valves.
Holding ISO 9001, CE0035, WRASÂ
We provide a complete solution for water supply and sewage including ductile iron pipes, gate valves, globe valves, check valves, ball valves, butterfly valves, strainers, control valves and pipe connectors (couplings, adapters, dismantling joints, repair clamps, saddles and manholes), our production has been approved with ISO 9001, CE0035, WRASÂ
For petroleum and natural gas industry, we also supply steel valves like gate valves, globe valves, check valves, ball valves, butterfly valves, plug valves, strainers and ultralow temperature valves with materials of carbon steel, alloy steel, stainless steel, ultra-low carbon steel and Monel. The pressure range is Class 150 to 2500 (1.0MPa to 42.0MPa) and size range is NPS 1/2 to 42 inches (DN15 to DN1050). Our valves are designed and manufactured in accordance with the standards of ANSI, API, DIN, NF, BS and JIS for our products we have obtained certificates of API6D, API 607 and CE.