Product Details
Products Description :
The stainless steel disc concentric butterfly valve refers to a valve in which the closing member (valve or disc) is a disc, which is rotated around the valve shaft to open and close, and is mainly used for cutting and throttling on the pipeline. The butterfly valve opening and closing member is a disc-shaped butterfly plate that rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjusting. The butterfly valve is normally less than 90° from full opening to full closing. The butterfly valve and the butterfly rod have no self-locking ability. For the positioning of the butterfly plate, a worm gear reducer is added to the valve stem. The use of a worm gear reducer not only enables the disc to have a self-locking capability, but also stops the disc at any position and improves the valve's operating performance.
Product Applications :
It is widely used in pipelines as control or throttling apparatus for supply and drainage pipeline of potable water, seawater, waste water, petrochemical industry, energy and power, shipping, food and drug, natural gas, coal gas, HVAC and fire protection systems as well as the building pipelines.
Product Specifications :
STAINLESS STEEL DISC CONCENTRIC BUTTERFLY VALVE
ITEM | PART NAME | MATERIAL |
1 | BODY | A216 WCB |
2 | BUSHING | PTFE |
3 | SEAT | PTFE/RUBBER |
4 | PIN | A276 410 |
5 | STEM | A182 F6 |
6 | DISC | A216 WCB |
7 | BUSHING | PTFE |
8 | GEAR OPERATOR | ASSEMBLY |
STANDARDS:
1. DESIGN AND MANUFACTURE: | API 609 |
2. FACE TO FACE DIMENSIONS: | API 609 |
3.FLANGE ENDS DIMENSIONS: NPS1/2”~24” | ASME B16.5 |
4. PRESSURE-TEMPEARTURE RATINGS: | ASME B16.34 |
5. PRESSURE: | CLASS 150 |
6.SIZE: | NPS 2″~16″ |
MATERIAL LIST:
ITEM | PART NAME | STANDARD | LOW TEMPERATURE | STAINLESS STEEL |
1 | BODY | A216 WCB | A352 LCC | A351 CF8M |
2 | BUSHING | PTFE | PTFE | PTFE |
3 | SEAT | PTFE/RUBBER | PTFE/RUBBER | PTFE/RUBBER |
4 | PIN | A276 410 | A276 304 | A276 316 |
5 | STEM | A182 F6 | A182 F304 | A182 F316 |
6 | DISC | A216 WCB | A352 LCC | A351 CF8M |
7 | GEAR OPERATOR | ASSEMBLY |
PACKAGING & DELIVERY
Packaging details : electric actuated butterfly valve: the strong plywood cases or as per the customer's request.
Delivery details : 4-5 weeks after receipt of down payment by T/T
Payment : T/T, L/C, Western Union and PayPal
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