
Working principle:
Compressed air forces the vane to reciprocate, so that the butterfly valve can be opened and closed. The unique vane-type rotary cylinder design is an ideal rotary pneumatic drive part to ensure stable operation, long life and high efficiency.

Double eccentric butterfly valve Regular size: DN50, DN65, DN80, DN100, DN125,DN150
Double eccentric butterfly valve technical parameter:
Working pressure: 0-16bar (0-232psi)
Control pressure: 3-8bar (43.5-116psi)
Applicable medium: EPDM suitable for hot water and steam
Medium temperature: -10℃-+130℃
Body Material: HT200/HT250
Sealing material: EPDM
Disc material: CF8
Control form: double-acting pneumatic actuator
Hangzhou Pusheng, a professional Eps Epp foam machine manufacturer since 2005, has been focused on making various eps pre expander, eps shape molding machine,epp moulding machine,ETPU machine, epo machine, customized factory layout and turn-key project service for new factory.

Business range: Hangzhou Pusheng Machinery Co.,LTD combines eps technology R&D, EPS and EPP machinery manufacturing, polystyrene and polypropylene machines marketing, and supporting services for eps and epp equipment, and we've been committed to providing customers with the best automation solution in EPS and EPP projects.
Factory advantages:
1) 15 years experiences in eps and epp industry
2) Turn-key project services from factory layout, selecting suitable machines, auxiliary equipment, to project installation and commissioning. Save cost and Zero worry.
3) OEM & ODM accepted with great quality and reasonable price.
4) CE & ISO Certificate etc.
5) Timely feedback: Reply within 1 hour, quotation within 24 hours.
6) Professional and practical factory design and layout based on your on-site experience to save cost and energy when operation.
7) Zero worry for after-sales services: our sales will be available on line whenever you need consultancy.

FAQ:
Q: Are you a factory or a trading company?
A: We are a factory with more than 30 years experience.
Q: What is your payment term?
A: 30% down payment after order confirmation, 70% balance before shipment.
Q: What's your delivery time?
A: Usually within 30-60 days, depends on your project.
Q: Can you send engineers to our local to guide the installation?
A: Yes, we will arrange engineer for you if you need, we can provide turnkey work.
Q: Can you give me the lowest price?
A: No. We can't give you the lowest price, but we can give you the best quality. If you think our price is higher than others, we can explain why it is worth the price. We'd rather spend time ahead than after.
Bad quality excuses like apologies are a waste of our time. If it is just for the pursuit of profit, we will get your order quickly by reducing the price. But many manufacturers lack the products they can be proud of to live up to our promises. We will not betray our future because of short-term interests, which is not the ultimate purpose of the enterprise.
We will never give up our future for immediate benefits. We hope to maintain long-term cooperation with our customers rather than one-time benefits.
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