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WN flange
API Spec 6A, 6B weld neck flanges, do not have full bores, they have restricted bores that match nominal pipe sizes. As an example, 4-1/16" 5M, 6B flange has a maximum bore of 3.47" approximating the I.D. of 4 inch schedule 160 line pipe, 4-1/2" O.D. API Spec 6A does not specify Over All Length of 6BX Weld Neck Flange, but instead provides...
Yanye Flange Manufacturing Co.Ltd
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Vertical Drains
It is widely used for waterproof system. It is widely used for waterproof system. It is widely used for waterproof ...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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Vertical Drains
Vertical...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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Drain sheet 10 Geo
Drain...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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WATERPROOFING MATERIAL
For attaching drain to waterproofing material,concrete or wood, several methods may be used including metal stick pins, nails driven through washers or wood lathing, constructionadhesives or double sided tape. Discuss materials compatibility with waterproofing supplier before using adhesives. Typically any method used for attaching waterproofing...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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drainage systems(GreenRoofs, Roof Gardens & Plant)
INTRODUCTION The Problem Since historic times, civil engineers and builders have used crushed stone (aggregate) or a combination of stone and some sort of pipe for soil drainage. While providing reasonably satisfactory results, aggregate drainage has several drawbacks. Clean and properly sized material is often expensive or not readily...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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GreenRoofs, Roof Gardens & Planters
INTRODUCTION The Problem Since historic times, civil engineers and builders have used crushed stone (aggregate) or a combination of stone and some sort of pipe for soil drainage. While providing reasonably satisfactory results, aggregate drainage has several drawbacks. Clean and properly sized material is often expensive or not...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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Green Roof Draniage System
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Shanghai huwang Building Science & Technology Development Co ., Ltd
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Drain sheet 10 Geo
Drain...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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drain sheet 8
Drain sheet 8 is a dimpled plastic sheet that provides effective drainage and waterproof membrane protection on foundation walls and other underground structures. The integrated non-woven geotextile covering the dimples prevents soil particles blocking the drainage sheet, creates an air gap for reliable ventilation and allows inflow and transport...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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SHEET DRAIN(HW-103 )H10
The under board of HW-103 drainage plant is makes by high impact polystyrene . Can resist the high pressure, will not distortion. This kind of character not only can endure the concrete weight and its load capacity, but also may endure inevitable external pressure and the impulse during the construction period, like the vehicles, worker's trample...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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SHEET DRAIN (HW-108 )H25
The HW-108 drainage plant develops on the foundation of HW-104 is made by the high polystyrene (HPIS), is a one-sided drainage plant, the surface is suitable for the under board of underground garage, the under board of basement, water tight diaphragm. The construction details sees (the under board of underground...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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DRAINAGE CELL(HW-105 )H28/30
The HW-105 drainage plant is pouring plastic by PP; the surface is covered by grotextile membrane, thus forms a combination drainage plant. It is a square block; 9 blocks compose one square. It is suitable in the large-scale square; the golf course, HW-105 and the HW-104 use together can enhance HW-104's effect. Details see (chart: structure of...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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CORDRAIN (HW-104 )H18
The HW-104 drainage plant develops on the basis of the HW-103, made by the high polystyrene (HIPS). There is grotextile membrane on the surface, forming draining plant. HW-104 has two-sided concave-convex. It has the two-sided draining water function, has the water storage function, under the moist environment it can bi-directional adjustment. The...
Shanghai huwang Building Science & Technology Development Co ., Ltd
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SHEET DRAIN(HW-103 )H10
The under board of HW-103 drainage plant is makes by high impact polystyrene (HIPS). Can resist the high pressure, will not distortion. This kind of character not only can endure the concrete weight and its load capacity, but also may endure inevitable external pressure and the impulse during the construction period, like the vehicles, worker's...
Shanghai huwang Building Science & Technology Development Co ., Ltd

