G 1/2 3/4 1 2 Brass Water Pressure Reducing Maintaining Valve DN15/DN20/DN25/DN32 Regulator Adjustable Relief Valve Gauge Product Name: Brass tap water pressure reducing valve Material: all copper Thread size: DN15=G1/2" DN20=G3/4" DN25=G1" DN32=G1-1/4" DN40=G1-1/2" DN50=G2" Working temperature: 0CApplicable medium: water / gas / oil, etc Package includes: 1pcs Product size: as shown in the figure( Manual measurement, some errors, please understand, thank you!) Features: Real material, Reliable and durable. Simple internal structure, fine workmanship. Apply to: Hydraulic instability, water flow too fast, water purifiers, solar energy, gas heater and faucet. Valve working principle can be simply understood as the entrance pressure and outlet pressure = spring force, through the control valve closure flow inside the opening of the size to control the pressure at the outlet, the water through the opening, closure and fluid resistance is small, the pressure loss is small, the outlet pressure is greater, and vice versa outlet pressure is small. Real pictures of buyers 1. WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 2. Orders processed timely after the payment verification. 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. 4. The images shown are not the actual item and are for your reference only. 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit time may vary, particularly during the holiday season. 6. If you have not received your order after 30 days from payment, please contact us. We will trace your order and get back to you asap. Our goal is customer satisfaction! 7. Delivery : 1. You have 7 days to contact us and 30 days to return it from the date received. If the item is in your possession more than 7 days, it will be considered used and WE WILL NOT ISSUE A REFUND OR REPLACEMENT to you. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half. 2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your order ID. 3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement. 4. We will bear all the shipping cost if the product(s) is (are) not as advertised. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on aliexpress! We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can perform up your satisfaction. It is impossible to address issues if we do not know about them!