Zhejiang Zhengkang Industrial Co., Ltd.

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A INSTALLATION STANDARDS

① Pin type (stainless steel pipe, carbon steel pipe) ② Pin type ③ Groove type ④ Welding type

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B installation method

① Punch type (stainless steel pipe, carbon steel pipe) ② Punch type

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Trench type-electric rolling groove operation
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Trench type-electric rolling groove operation

Climb convex-electric expansion work
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Climb convex-electric expansion work

Card type-portable electric hydraulic work
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Card type-portable electric hydraulic work

Carding-separated electro-hydraulic operation
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Carding-separated electro-hydraulic operation

Press type-manual hydraulic operation
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Press type-manual hydraulic operation

Card convex-manual expansion work
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Card convex-manual expansion work

Installation Standards

Bump:

22S407-2 "building water supply metal pipe installation"
CECS153:2003 Code for Water Supply of Building Thin-walled Stainless Steel Pipe
Card type:
GB/T29038-2012-Walled Stainless Steel Piping-Technical Specification
CECS153:2003 Code for Water Supply of Building Thin-walled Stainless Steel Pipe
10S407-2 "building water supply thin-walled stainless steel pipe installation"
Groove:
CECS151:2003 Technical Specification for Groove Connection Pipe

Welding type:

GB/T29038-2012-Walled Stainless Steel Piping-Technical Specification
CECS277:2010 Technical Specification for Connection of Thin-walled Stainless Steel Tubes for Building Water Supply and Drainage
CECS153:2003 Code for Water Supply of Building Thin-walled Stainless Steel Pipe
22S407-2 "building water supply thin-walled stainless steel pipe installation"
JB/T9185-1999 "tungsten inert gas shielded welding process method"
GB50236-2011 Code for Construction of Field Equipment and Industrial Pipe Welding Engineering