plastic hydraulic control automatic drain backwash valve 1. water treatment diaphragm valves 2. Hydraulic or Pneumatic 3. manufacture price 4. Durable,refined water treatment diaphragm valves is lighter and rustless than those made of iron. It's added anti-aging to prevent aging after sunlight. And every valve have been pressure tested before shipment (15kg). 2. PA6 (Nylon) material, max working pressure is 1.0MPa; 3. Clamp connection, easy installation and removal; 4. Never rust, corrosion resisting, can be used in weak acid environment; 5. Good aging resistance, can be used in the open air; 6. Switch quickly, good operation stability; 7. Easy to replace parts, low maintenance costs; 8. The diaphragm is made of advanced rubber material which has good elasticity, between rubber is the imported    high strength net cloth with good rebound performance; 9. With the bilateral dovetail waterproof rubber seal ring, it prevents water leakage of operation; 10. With the hold hoop on top, it's much safer and is convenient to change the parts inside; 11. External uses professional nylon paint treatment, excellent appearance. Delivery time: Shipping times are approximately 5-7 days for sample orders and 7-15 days for regular orders, after payment is done instantly by T/T, W.U. (weekends not included). If we have any stock for your order, we will shipped out goods immediately on receipt of your payment. Returns: Situation 1 Situation 2 Payment: We accept TT payment(Bank Transfer), L/C, Western Union & Cash, etc.. Please remember to send us scaned recipt of T/T or other payment copy by Email, this will speed up the processing of your order.  Warranty All our products have at least 1 year warranty. If there's any quality problems during the warranty period, we ship new spare parts for replacement free for you, or we accept return policy.
 
FAQ
Shipping Ways:
1. By express: DHL, TNT, UPS, FEDEX, EMS etc, usually for small or regular and urgent orders
2. By sea transportation for bulk quantity
3. By air transportation.
If no quality problem, there is no returns or refund. If there's any problem not caused by us, we are pleasure to fix it by sending some spare parts to you, and please bare the shipping cost.
For any quality problem caused by us, we provide refund for returns made within 15 business days of the delivery date. Or we fix it or make new ones for you as request.
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Plastic Hydraulic Control Automatic Drain Backwash Valve
Product Description
1. water treatment diaphragm valves can be used in sand filters, replacing two sets of electric or pneumatic valves, easy to be controlled;