Winan Industrial Limited |
|
Introduction
Valve seat was particularly designed and surface of rubber covered
flashboard has reliable performance. The valve has small torque of
opening and closing and easy to operate or maintain. For there is
no groove under pipeline of the valve that lowers the flow
resistance in it and eliminates the damage of impurity depositing
in valve, improving the service life of the valve.The valve rod will turn the stem nut up and down when rotating the
handle wheel to open or close the valve and drive the annunciator
work at scheduled position.
Technical parameters
Size | DN50-DN1000 |
Working Pressure | 10PN PN16--PN150 |
Body | Cast iron; Ductile iron,Carbon steel; Stainless steel |
sealing | Rubber; stainless steel; brass |
Stem | Cr13 ; stainless steel; brass |
Operation | Hand Wheel. Gear box, Electric, pneumatic Etc. |
Medium | water, oil, gas and so on |
Nominal Diameter (mm) | 50~250 | |||
Nominal Pressure (PN) | 1.6 | 2.5 | Mpa | |
Test Pressure | Shell | 6.4 | 10 | |
Seal | 3.2 | 5 | ||
Medium Temperature | -15°C~+200°C | |||
Medium | Water, Air | |||
Micro Switch Capacity | 24V 1A |
1. The seal is designed with dustproof ring plus three "O"-seal
ring, reliable sealing, on-line replaceable.
2. The integral seal works raliably. For the high pressure seal,
leaving zero leakage under1.5 times nominal pressure and ,for the
low pressure one ,under 0.02Mpa.
3. The body is designed without gate slot, the smooth passage will not
get impurities filling up , more applicable for sewage working
condition.
4. Both gate and aluminum bronze bearing are in in aid design good
self lubrication, high strength and can have the aluminum bronze
bearing replaced without need to replace the gate integrally, after
a long time use.
The Shenzhen Winan Industrial Development Co., Ltd. was set up in 1995 with registered capital of 13,680,000RMB. We specialized in manufacturing fire-fighting Equipment for 20 years and we devote to provide clients with high quality and reliable products.
The company now has a large area of industrial workshops of more than 10000 square meters. We possess all kinds of advanced producing equipments, sophisticated manufacturing process and modernized testing center. Our products contain foam system, sprinkler system, fire monitors, fire hydrant, water mist system and valves.
Winan fire-fighting passed the ISO9001:2000 Quality Management System Certification in 2001 and we also passed the CCC Product Quality Certification of Ministry of Public Security fire products in 2004. Products manufactured by Winan fire-fighting were assessed as the “Chinese high-quality brand-name products" by Chinese Quality Management Juries. The company was assessed as the “AAA" honest enterprise by Ministry of Commerce Economic Academy and it is the member of Chinese Fire Protection Association.
Products made by Winan fire-fighting had won a number of national patents after decades of innovation and we believe that we can do better in our industry!
1. How about the quality of the products?
A: We produce every product with good quality materials, and test
carefully to make sure stable quality before shipment. Fire
fighting emergency lighting
2. Can I have an sample order?
A:Yes, Of course you can . we welcome sample order for your testing
and checking products quality. Mixed samples are available.
3. How do you ship the goods and how long does it take to arrive?
A: We usually ship by DHL, UPS, FedEx or TNT. Small Qty order needs
3-5 working days, big Qty order usually needs 15-20 working days
after payments arriving. That's depends on order Qty.
4. How to proceed an order for fire pumps?
A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our
suggestions.
Thirdly customer confirms the samples and places deposit for formal
order.
Fourthly We arrange the production.
5. How to proceed the order if I have logo to print?
A: We will prepare artwork for visual confirmation at first, if the
color and position are alright, we will make print Logo sample from
silk print factory and take picture for you to comfire before mass
production.