Diaphragm Valve Pricing
Analysis of 4,487 eBay listings for diaphragm valves.
What you'll usually pay
💡 Used ones cost about 8% more here.
👉 In short easy summary
The market median is 71.94. High-end brands like Gemu and Parker command significant premiums, with Gemu seeing a 105% increase over the baseline. Air-operated valves are the most expensive operation type, priced 107% higher than the median.
Price by brand
Why? Prices range from 71.59 for unspecified brands to 147.25 for Gemu.
Price by valve operation
Why? Air-operated valves are the most expensive at 149, while unspecified operations average 71.59.
Price by actuation type
Why? Pneumatic actuation reaches 120.99 compared to 71.59 for unspecified types.
Price by diameter
Why? Costs scale with size, from 80 for 3/4 in up to 133.8 for 2 in valves.
🛒 Some on sale right now
Common questions
What is the median price for a new diaphragm valve?
The median price for new units is 72.83.
How much more do Parker brand valves cost compared to the baseline?
Parker valves have a median price of 129, representing a 79% increase.
Which valve diameter is the most expensive?
The 2 in diameter valves are the most expensive with a median of 133.8.
How we got these numbers
Worked out from 200 live eBay listings (price range $27–$375, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 2, 2026.