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Build Your Online Product Catalogs?
| Product Name: |
BUTTERFLY VALVE mould
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| Supply Ability: |
10000 |
| Related proudcts |
butterfly valve, pvc-u water pipe, water fittings, |
| Specifications |
AAA grade credit enterprise, ISO9001, ISO14001, SGS |
| Price Term: |
FOB |
| Port of loading: |
HONGKONG |
| Minimum Order |
1 |
| Unit Price: |
10000USD |
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1. Vent pipe, H pipe
(1)Drainage stretch top riser should set breather pipe, the top should be set ventilation hair, when unconditional settings breather pipe, should set the fill valve .
(2)Stretch top up without master roof vent pipe ( including insulation ) shall not be less than 0.3m, and should be greater than the maximum thickness of the snow, it was in the regular activities of the roof, the roof vent pipe extending not less than 2m.
(3)Stretch top vent riser diameter is not less than the diameter of the drainage
(4)Ventilation and drainage standpipe riser should co***rtment connected, connection method should give priority to using H- pipe , H pipe and vent riser connection point should be higher than sanitary ware edge 150mm.
(5) Vent pipe design
A: Breather pipe minimum diameter shall be ***ermined as the following table
Breather pipe name Drain pipe diameter mm
40 50 75 110 160 200
fixture vent 40 40 -- 50 --
loop vent -- 40 40 50 -- --
Vent Stack -- -- -- 75 110 160
B: Vent length greater than 50m , its diameter should be the same as sewage risers
(6)When two and two more sewage risers simultaneously with a vent connected,the maximum one should be on the table at the riser effluent to ***ermine ventilation riser pipe diameter, and its diameter should not be less than the rest stand any one sewage pipe diameter .
(7)H tube center distance dimensions: when diameter less than 110mm ,center distance is 180mm, when equal to 160mm diameter the center distance is 220mm, ZHENYUN produced the H pipe center distance adjustable range is: when the diameter is equal to 110 CM ,center distance is 150mm-180mm, when equal to 160mm center distance is 180mm-220mm
(8)Using H- pipe ventilation combined system, its top and bottom should be configured with H pipe tail pipe connected to waste water standpipe.
2.expansion joint
(1)The necessity of setting expansion joints
PVC-U Spiral Silencing Pipe and Fittings co***red to cast iron pipe larger coefficient of linear expansion, about 0.07mm / m * â„? the |
| Company: |
Dengfeng Mold (Hongkong) Co., Limited
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| Contact: |
Mr. Jacky Qiu |
| Address: |
Rm. A225, 2/F Fangzheng Business Building, Lixin Road, Xintang |
| Postcode: |
510660 |
| Tel: |
13533665622 |
| Fax: |
0086-20-32096556 |
| E-mail: |
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