DIN Cast Iron Silent Check Valve Pn16

Model NO.: Series 821A Connection Form: Flange or Wafer Pressure: Low Pressure Sealing Form: Gland Packings Globe Valve Standard: DIN Size Range: Dn50-Dn300 Suitable: Water Supply and Drainage Pipeline Flange Standard: En1092-2 Pn10/16 Certification: ISO9001-CE Specification: Quality Grade: CE and ISO9001 HS Code: 84811000 Material: Ductile Iron Structure: Swing Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence Flow Direction: Unidirection Application: Industrial Usage, Water Industrial Usage Suitable Temperature: -20-135 Celsius Degree Nominal Pressure: 1.6MPa Product Type: Silent check valve Trademark: DS Origin: Yantai Shandong China Silent Check Valve suitable for water supply and drainage pipeline.  It has small volume, light weight, small resistance, resistance to fatigue fluid, and long service life etc.

FLANGE TYPE SILENCING CHECK Valve (To prevent water reverse flow)
Silencing check valve role is only allowed to medium flows in one direction the direction and stop the flow


Working Pressure: 1.6Mpa
Test Standard: API598 DIN3230
Flange Standard: EN1092-2 PN10/16

Parts material:

Item	Description	Material(Optional)
1	Seat	Ductile Iron GGG40
2	Body	Cast Iron GG25 / Ductile IronGGG40
3	Bushing	PTFE
4	Spring	Stainless steel
5	O-Ring	NBR / EPDM / VITON
6	Disc	Ductile Iron GGG40/Brass

Laizhou dongsheng valve co.,Ltd is a professional valve plant, is a collection of research and development, design, the manufacture, the sale of integrated specialized company. Our main products are series of check valves, including all kinds of single disc Swing check valve, double disc Swing Check Valve, flange and threaded Ball Check Valve, flange and wafer silent check valve, stainless steel Lift Check Valve, Diaphragm Valve, Ball Valve and Butterfly Valve etc. 

We hold a set of scientific and strict management system, strong technical force, advanced processing equipment and reasonable technical progress, high technology and quality technicists and workers. We have 200 employees, and our factory area is 30000 square meter. We always hold "Do to the quality of survival, to the credibility of development.", so we produce every product carefully and treat every customer sincerely. Our products are used to open and close the pipeline of oil, chemical, water, gas and food etc. Our products are exported mainly to Europe, America, Africa, Southeast Asia, the Middle East and Russia etc. Our products are praised by foreign and domestic customers. 

We own good quality certificated by ISO9001 and CE. Welcome friends from home and abroad to visit us. And we look forward to having a sincere and favorable cooperation with you.

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