WCB body Triple function High speed combination type automatic Air micro release vent valve

Single orifice air valve with Triple (three) function :

Size:DN40-300

Design standard: EN1074-4:2000

Flange standard: EN1092-2:1997

Testing standard: EN12266-1:2012

Working pressure: 16kgs/cm3   25kgs/cm3

Shell testing pressure: 25kgs/cm3   37.5kgs/cm3

Seat test pressure: 18kgs/cm3  27.5kgs/cm3

Media: water, neutral oil

External and internal coating: 100% fusion-bonded EPOXY

SS304/316 bolts/nuts/washers are available on request

air valve's Triple function:

1) discharging of air at a high flow speed during filling of the pipe.

2) Breaze large quantities of air into the pipeline system when pipe

drains,maintaining  pressures in the pipelines and preventing collapes and caviation damage.

3) Automatic release contained air from pipeline under pressure while the network is at normal working pressure.

Material List

Body: Ductile Iron BS2879-500.7/DIN1693 GGG50/EN1563 GJS500

Float:ss304/316

SIde float:ss304/316

Float guide: ABS

Support: ABS

O-ring: EPDM BS2494

Cover: Ductile Iron BS2879-500.7/DIN1693 GGG50/EN1563 GJS500

Bolts and Nut: Zinc-plated steel BS4190

Seat: EPDM BS2494  with WRAS approved

Gasket: EPDM BS2494

Cap:Nylon/brass

Bracket: Nylon

Hinge pin: Stainless Steel BS1574

MOQ

We do not have any MOQ for this valve, 1 set order is also can be accepted.

Delivery

It depends on the order quantity, the common delivery time will be 15-20days after received payment.

Payment term:

30% deposit, the balance will be paid before loading.

FAQ
1. SAMPLES ISSUE
A) Sample charge: depends on the specific items, if sample cost was small, can give free samples,but you need to cover the delivery charge.
if the sample cost is big, please afford the sample cost and express fee, and we will defund the cost from the future mass production orders.
B)Sample time: if they are in stock, can send in 3 days.

2.Who you are?
We are a group company with one valve manufacturer and one trading company.Our factory establised in 1995,mainly produce ductile cast iron butterfly valve,check valves, gate valves
Y strainers,control valves,etc ,professionally export over 28 years,having own foundry,machining,20000M2 floor area and ISO certified.In order to provide one stop solution for pipeline system,
the trading company also sell di pipe joints,repair clamps,steel pipe fittings, flanges, manhole covers, water meters,pipes,etc from 50+ partner factories to supply quality products and favourable price.

3. Company advantages:
A) Professional:20+ years production experience and 10+ years export experience on the whole pipe system,Strong products are butterfly valves,gate valves with the most low possible prices
B) OEM/ODM : acceptable
C) super service: Sincerely treat every customer and provide quick reaction,patient and considerate service like the friend.
D) Good quality: we have good quality control system and team.

4. How is your Quality Control?
1) Products are with certified by ISO,CE,WRAS.
2) 100% Inspection before shipment, send you the cargo pictures with details include marking, packing, testing to you together with a Test Report
3 ) 18 months quality Guarantee
4) Any third party Inspection is acceptable. SGS. TUV. etc
5) Free replacement or refund for defective products

5.Please talk about your trade terms:
1) Payment term: for mass production order: 30% TT in advance,balance before shipment under FOB or BL copy under CFR.
2) Lead time: normally within a month after deposit received,for butterfly valves, the regular sizes are in stock,can ship in 15days.
3) Loading port: Tianjin /Qingdao /Ningbo /SHanghai,depending on the ordered goods
4) Discounts: We offer discounts for big quantity.

6.What can we buy from you?
Our own produced cast iron butterfly valves/check valves/gate valves / Y strainer,as well as the associated pipe products like ductile iron flange adaptor,coupling,dismantling joint,rubber expansion joint,saddle clamp,ISO2531 fittings, ss valves and fittings, brass valves and fittings, water meters,flanges,BW steel fittings,pipes and manhole covers.

7.Can you do customiezd items?
Yes, we can supply customized ductile iron casted items,Stainless steel castings,steel stamped items.

8. How can I trust you?
We have over 10 years export experience and have many regular customers from over 20 countries,you also can place the order in trade assurance, or use L/C payment, we can ensure your money and order are safe.

9. How is your after-sales service?
1) 18months quality assurance since ship date
2) Free to replace the defective items in next orders
3) Choose the cheapest and safest shipping company to save the cost
4) Track the order untill you get the goods,and do the max. support to help you expand your sales
5) Quick and safe delivery,ensure the agreed delivery time under the case of no any force majeure
6) Timely send the required documents to clear customs,like Form E certificate of Origin,CI,PL,test report,etc
7) Market protection service to develop long term cooperation