77a Stainless Steel Coupling - China

The Model 77A is mainly designed for high pressure grooved piping systems, such as high salinity wastewater treatment systems, RO seawater desalination systems, landfill leachate treatment systems, and cut grooved piping systems with rated working pressure of 1500 psi (100 bar).

It is supplied in strong and anti-corrosive alloy materials of 304, 316, 316L, Duplex CD3MN (2205), Super Duplex CE8MN, CE3MN (2507).

Its 316 bolts and nuts have excellent anti-corrosion performance and longer service life.

Sizes-Inches & Rated working pressure

3/4″to 8″(DN20 to DN200) 1500psi(105bar)

10″to 12″(DN250 to DN300)1200psi(83bar)

Cut groove only MODEL 77A MATERIAL SPECIFICATIONS

Housings:

Super duplex 2507(CE3MN)to ASTM A890 Grade5A

□ CE8MN to ASTM A890 Grade 2A

□ Duplex 2205(CD3MN)to ASTM A890 Grade4A

□ Austenic 254 SMO(CK3MCuN) to A743

□ Austenic 904L(CN2MCuN) to A351

□ Type 316 to ASTM A531 CF8M

□ Type 316L to ASTM A531 CF3M Rubber Gaskets:

The gasket seals is C-shaped, made of standard gasket EPDM(ethylene propylene diene monomer) for cold water, hot water, dilute acid, oil-free air and multiple chemical product (-30~110℃).

It is not suitable for medium like petroleum Bolts: □ Type 304 stainless steel track bolts to ASTM F593 □ Type 316 stainless steel track bolts to ASTM A193 Nuts: □ Type 304 stainless steel nuts to ASTM F594

□ Type 316 stainless steel nuts to ASTM A194

□ Silicone bronze heavy-duty nuts to ASTM B98 C65100 for option

Company Contact:

• Posted By: Zhejiang Parkson Water Industry Equipment Stock Co., Ltd

• Phone: 17306445214

• Address: Kangyuan , Hangzhou , Zhejiang , China

• Email:

• Website: https://www.passzj.com/

• Business Description: Zhejiang Parkson Water Industry Equipment Stock Co., Ltd is a precision casting manufacturer integrating research & development, production and sales.
  
  PASS is a production base of silica sol casting.
  
  Covering a construction area of more than 20,000 square meters and more than 300 employees, we specialize in the production of all kinds of stainless steel, carbon steel, alloy steel and other materials of precision castings.
  
  By providing systematic solutions for metal forming from product drawing design, mold making, casting blanks to precision machining, etc., our annual production capacity is up to 5000 tons.
  
  The company's core business focuses on valve castings, pump castings, machinery and auto parts castings, superalloy castings and other fields.
  
  Our products are widely used in water treatment, aerospace, petroleum, shipping, electric power, coal and other industries.
  
  We are positioned to become a reliable partner in the mid-to-high end market, and it is our pursuit and commitment to provide reliable service for high quality enterprises in various sub-sectors.
  
  PASS has more than 150 sets of machines, the main equipment are imported from Taiwan(China), Japan and the United States, and equipped with 150kg/250kg/400kg/4 sets of fast melting furnaces.
  
  Advanced technology and leading equipment are adopted in all stages of the investment casting process.
  
  By introducing two standard production lines of international silica-sol process and composite process, equipped with robotic shell-making line, air-drying line and automatic temperature and humidity control system, we greatly enhance the production efficiency and the stability of product quality.
  
  Simultaneously, the company has built a central laboratory, with complete testing equipment, including Optical Emission Spectrometer, tensile testing machine, three-coordinate measuring machine, impact testing machine, hardness tester, magnetic defect detector, water pressure tester, salt spray device, etc.
  
  We have established strict control standards from material inspection, process control, finished product inspection to user evaluation, to ensure the whole process of product quality testing and control.
  
  PASS owns advanced production equipment, manufacturing process, and strict quality testing which could meet the customer's all-round requirements for product performance.
  
  With rich project experience, independent innovation ability and good manufacturing technology, the company has been firmly cultivating in the field of precision casting for many years.
  
  The Company has fully organized production in accordance with the quality management system, and has passed ISO9001: 2015GB/T international quality management system certification, ISO14001: 2015/GB/T environmental management system certification, IATF 16949: 2016 Quality Management System for Automotive Industry, CCS China Classification Society, BV Classification Society certification and CE certification.
  
  With a perfect quality assurance system, advanced management system, and profound industry experience, PASS provides the best quality products, services, and solutions for global industry leaders and mid-to-high-end customers.