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| Product Name: |
butterfly valve
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| Supply Ability: |
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| Related proudcts |
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| Specifications |
D41 |
| Price Term: |
FOB,CNF,CIF |
| Port of loading: |
Shanghai or Ningbo |
| Minimum Order |
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| Unit Price: |
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Butterfly valve are used to open and close (seal type) or adjust industrial water treatment, high-rise constructions, water supply and drainage etc. They are mainly structured as following:
1¡¢Simple structure, small sizes, light weight and low installation dimensions. According to the types of body connection, they are basically classified to wafer type (including lug wafer type), flange and welded.
2¡¢Sealing material may be soft or hard, placed on body or disc, to meet different working condition, and to effect good seal and long life.
1) Soft sealing structure is applicable for single and double eccentric butterfly valves, pressure rating¡ÜCLASS 600. Centered sealing structure is applicable for pressure rating ¡ÜCLASS 250. Sealing ring (PTEE) is placed on the valve body to feature the following:
A¡¢ To effect dependable seal with no need of accessorial sealing ring or metal bracing ring.
B¡¢ Bidirectional leakproof seal.
C¡¢ Little maintenance and long service life.
2) Multilayer hard seal structure is applicable for single, double and triple eccentric butterfly valves, pressure rating¡ÜCLASS 600. And, triple eccentric butterfly valve can maintain two-way leak-tightness. Multilayer sealing ring is composite of stainless steel and nonmetal material. The nonmetal material can be flexible graphite, PTEE or nonasbestos material etc. according to the actual working conditions.
3) Elastic ring hard seal structure is of the structure of J-type metal sealing ring. It is applicable for single and double eccentric butterfly valves, pressure rating ¡ÜCLASS 300 . Provided with fireproof structure to adapt to condition with great temperature changes, it is featured by outstanding seal, long service life and easy workmanship.
3¡¢Fireproof butterfly valves can stop the expansion of fire. Once the sealing seat of butterfly valve is on fire, the stainless steel sealing ring will act to make butterfly valve immediately sealed.
4¡¢When butterfly valve is fully opened, flow resistance is low. When partially opened, it |
| Company: |
Huanqiu Valve Group Co.,Ltd
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| Contact: |
Ms. Monica zhu |
| Address: |
Sanqiao industrical |
| Postcode: |
325105 |
| Tel: |
057767371040 |
| Fax: |
0577-67376038 |
| E-mail: |
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