How do you install it to get it watertight? Looked for youtube videos - no luck!

The fitting itself is watertight. If its not, its defective. Once you push the pipe into this fitting you will feel it "pop" or "slip" into the seat where it becomes watertight. If its sitting right, you should not be able to pull this pipe out, nor should there be any leakage from it.

Can you control the speed of water flow through this valve?

I don't see why not. For my use, it's only open or closed. You would actually be controlling the amount of flow not the speed.

Does this value have or require a california proposition 65 warning for california residents? thanks!

Prop65 applies to any material, the warning is required even if a trace amount of over 1000 substances from the Prop65 list maybe present. We have the warning on our bags to comply with the requirement of the Prop65 regulation for “clear and reasonable” warning.

Does this work with 1/4 in drip irrigation tubing?

I used it with a 1/4" pex line for a fridge filter not totally sure about the irrigation line, you can try it out for a test before installing to be sure. A good sharp tubing cutter will help for a better seal and fit. Good Luck

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Description

🚀 Upgrade your plumbing game with effortless, leak-proof speedfit tech!

LEAK FREE CONFIDENCE - Permanent, secure connection with food-grade EPDM seals
NO TOOL INSTALLATION - Twist-and-lock design means zero glue, soldering, or crimping needed
COMPACT LIGHTWEIGHT - Sleek 15x4x8 cm design weighing just 18g fits discreetly anywhere
CERTIFIED SAFE DURABLE - FDA, NSF 61 & 51 certified for potable water and behind-wall use
PRESSURE READY PERFORMANCE - Handles up to 150 PSI at 70°F for reliable water control

The JG Speedfit PPSV041212WP is a 3/8-inch quick connect shut-off valve made from durable polypropylene with food-grade EPDM O-rings. Rated for 150 PSI at 70°F, it installs tool-free via a twist-and-lock mechanism, certified safe for potable water and behind-the-wall applications, ensuring a permanent, leak-free connection.

Specifications

Material	Copper, Polypropylene
Brand	John Guest
Item dimensions L x W x H	15 x 4 x 8 Centimeters
Exterior Finish	Polypropylene
Inlet Connection Size	0.38 Inches
Inlet Connection Type	Flange
Outlet Connection Type	Flange
Maximum Operating Pressure	150 Pound per Square Inch
Number of Ports	2
Outlet Connection Size	0.38 Inches
Specification Met	NSF, fda
Global Trade Identification Number	00665626120381
Manufacturer	Reliance Worldwide Corporation
UPC	665626120381
Country of Origin	USA
Item model number	PPSV041212WP
Product Dimensions	15 x 4 x 8 cm; 18 g
ASIN	B003YKF2F6

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