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Description
2' ARO Diaphragm Pump PD20P-FPS-PAA for Chemical & Water ApplicationsReplacement part number: PD20P FPS PAA, PD20PFPSPAA Specification: Air Inlet: 3 4 14 NPT Connection Size: 2" Connection Type: 2" ANSI DIN Hybrid Side Flange Diaphragm: Santoprene Discharge Volume Per Cycle: 1. 4 Gal (5. 3 Lit) Inlet Pressure (PSI): 120 psig (8. 3 bar) Liquid End Configuration: Polypropylene Fluid Caps & Manifold Material: Polypropylene Vinyl Ester Center Body Maximum Flow (GPM): 184 GPM (696 LPM) Maximum Working Pressure (PSIG): 120
Replacement part number:
PD20P-FPS-PAA, PD20PFPSPAASpecification:
Air Inlet: 3/4-14 NPT
Connection Size: 2"
Connection Type: 2" ANSI / DIN Hybrid Side Flange
Diaphragm: Santoprene
Discharge Volume Per Cycle: 1.4 Gal (5.3 Lit)
Inlet Pressure (PSI): 120 psig (8.3 bar)
Liquid End Configuration: Polypropylene Fluid Caps & Manifold
Material: Polypropylene / Vinyl Ester Center Body
Maximum Flow (GPM): 184 GPM (696 LPM)
Maximum Working Pressure (PSIG): 120 psi (8.3 bar)
Max Suction Lift: 19.5 Feet (5.9m)
Metal Parts: Stainless Steel Hardware
Model Series: 2" Non-Metallic Expert Series
Quick Specs: 2 IN EXP NON METALLIC DIAPH PUMP
Solids (Inches): 1/4" (6.4mm)
Temperature Range: 32掳 to 175掳 F (0掳 to 79掳 C)
Type: Standard Pump
Valve Balls: Santoprene
Valve / Seat / O-Ring: Polypropylene
Application:
Fit For Chemical Industrial & Water/Wastewater Applications
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.5 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Sweet dreams.
Helps you relax before bedtime.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
★★★★★ 5
good deal
Very inexpensive way to take melatonin
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Perfect for low dose, great price
On my second bottle, great product for the cheap price, lasts almost a year. Hard to find in this low dose. I personally find low dose melatonin to work better than the higher amounts. It’s the sweet spot.
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Reviewed in the United States on October 19, 2025
★★★★★ 5
Knocks me out cold
I wish I could easily find a lower dose, but this works.
Take one about 30 mins before I want to sleep and when I fall asleep I don't wake up in the middle of the night. I normally have insomnia but one of these generally gives me 9 hours of sleep.
It doesn't ALWAYS work (I have health problems that can keep me awake) but instead of 5-7 hours sleep I am consistently getting around 9.
The only problem is I'm groggy in the morning. But I feel a lot less haggard and anxious in the morning now so I think I'll be continuing with this.
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Reviewed in the United States on June 12, 2025
★★★★★ 5
Very good product
These melatonin pills work. I bought them because sometimes I'm so stressed or pressured by everyday life that I find it hard to fall asleep. I don't use them every day, only when I really can't sleep and it's very late. I must say that this pill doesn't knock you out completely. I liked that. You fall asleep slowly, and the next day you don't feel groggy or like you've had too much to drink. It's a great product!
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Reviewed in the United States on September 7, 2025