1.Before assembling, all parts should be clean, without oil or grease, all burrs and sharp edges should be removed.
Working Medium: water;
Working Temperature: t≤120℃
3.Parallel pipe thread conform to BS864-2:1983
4.Inspecting and testing conform to BS EN 12266-1:2003
Covering the entrance and exit of the valve, pressing the gland tightly to make the disc be in intermediate positions. Full filling with liquid in the shell body to reach testing pressure 3.0MPa gradually. Inspecting for the shell including the gland and union between the body and cap to see if there is leakage when reaches to stipulated time 15s.
2)Seal function test:
Covering the two ends of the valve to make the disc be slight opening position and to reach to testing pressure with 0.6u00b10.1MPa gas in the shell body.
Releasing the pressure of one end when closing. After 15s, no leakage.
Standard or Nonstandard: Standard
Pressure: High Pressure
Temperature of Media: Normal Temperature
Port Size: 1/2"-4"
Place of Origin: Zhejiang, China (Mainland)
Model Number: Q303
Brand Name: DA
brass valve: manual power
Payment & Shipping Terms:
Price: FOB USD 0.98~10 / Set
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Minimum Order Quantity: Negotiable Trial Order
Minimum Order Quantity: 5000 Set/SetsTrial Order
Port: Ning Bo or ShangHai
Packaging Details: standard packing
Delivery Time: 15-25days
Payment Terms: L/C,D/P,T/T,Western Union
Supply Ability: 800000 Set/Sets per Day
Product Specification / Models
Application / Models
urban heating and gas systems, HVAC, water supply and drainage systems and so on
Zhejiang DunAn Valves Co., Ltd. was established in 1998, Shield Security Holding Group specializes in product development and manufacturing of valves, a valve industry group, owns Zhejiang Valve Co., Ltd Part DunAn factory, Zhejiang Jiang Huayi Machinery Co. company, Anhui Hongxing Valve Co., Ltd., Nantong Power Station Valve Co., Ltd. 4 business entities.
Our company has several varieties such as brass ball valve/ball valves for gas series/ball valves for water series/brass gate valves/ brass check valves/brass globa valves/brass heating series/radiator valve/thermostatic radiator valve/air vent valve/pressure reducing valve/boiler valve and fittings/brass mainfolds/brass strainers/brass fittings/DZR valve series/DZR gate valve/DZR check valve/DZR ball valve/Bronze valve/other series including cutting&welding accessories/water heater accessories/meter anaconda/flexible tubes and so on .Our company has certificate such as UL CSA CE KS cUPC WRAS DVGW Kiwa AGA ISO9001 ISO14000 EN331 BS5154 and so on
DunAn Valves adhering to the "professional, efficient, trust, win-win" core concept of the brand, adhere to professional development strategy, establish a national laboratory recognized professional testing center, and led a number of drafting or revision of 10 categories of products valve national and industry standards, won 80 more national invention and utility model patents. China famous brand won the title of the valve industry in China ten famous brands.
DunAn Valves the full implementation of TPS production and ERP information management system to meet the needs of different industries targeted customers with professional products and services, efficient operations management, and strive for the industry, providing professional, reliable valves products and application solutions. Products cover high, medium and low pressure valves in the field, widely used in water supply and drainage, gas, urban heating, air conditioning, power stations, petroleum and petrochemical industries.
DunAn Valves in the development and growth will be accompanied by efforts to achieve with our customers, partners, employees and other stakeholders in a win-win!
Zhejiang DunAn Valves Co., Ltd. was established in 1998, Shield Security Holding Group specializes in product development and manufacturing of valves, such as ball valve/gate valve/radiator valve/air vent valve/pressure reducing valve/strainer and so on