Can you please confirm that all internal working compounds are the same as seen in photo and not plastic?

Plastic Spring loaded Non-Return inside, looks to be Nylon.

what size inner diameter is this ? as i need a minimum of 22mm diameter

It's an 1" b.s.p thread. So it should be around 30.75 mm as that is the tapping drill size for that thread.

will this work on a bore hole pump

Hello,Yes it should be fine.Thank you

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1" INCH Brass 12 BAR Check VALVES Non-Return Valve Female x Female with Brass Insert

1" INCH Brass 12 BAR Check VALVES Non-Return Valve Female x Female with Brass Insert

Product ID: 51718408

Details

Brand
Invena
Exterior finish
Brass Nbr
Inlet connection size
1 Inches
Inlet connection type
Brass
Manufacturer
plumbing4home
Material
Brass

💪10 bar max pressure durability

🔥Max working temp 100°C

🔩1" Female x Female brass connections

S$39

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Description

🚀 Elevate your plumbing game with brass precision and unbeatable flow control!

TRUSTED BY PROS - Top-rated with 5-star reviews—join the savvy professionals who rely on Invena
PRECISION BRASS BUILD - Durable 1" female x female brass body for long-lasting reliability
HIGH PRESSURE CHAMPION - Withstands up to 10 bar static pressure—built for demanding systems
SEAMLESS NON RETURN FLOW - NBR flat gasket ensures zero backflow, protecting your system integrity
HEAT RESISTANT PERFORMANCE - Operates smoothly at temperatures up to 100°C without compromise

This 1" brass check valve features female x female connections with a robust brass insert, designed to handle up to 10 bar pressure and temperatures up to 100°C. Equipped with an NBR flat gasket, it guarantees reliable non-return flow, making it a trusted choice for professional-grade plumbing systems.

Specifications

ASIN	B007JX3K1C
Best Sellers Rank	132,793 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 352 in Check Valves
Brand	Invena
Customer Reviews	5.0 out of 5 stars 3 Reviews
Exterior Finish	Brass,Nbr
Exterior finish	Brass , Nbr
Inlet Connection Size	1 Inches
Inlet Connection Type	Brass
Inlet connection size	1 Inches
Inlet connection type	Brass
Manufacturer	plumbing4home
Material	Brass
Maximum Pressure	10 Bars
Number of Ports	2
Outlet Connection Size	1 Inches
Outlet Connection Type	NPT
Outlet connection type	NPT
Part Number	041c
Valve Type	Check Valve

Reviews

A**R

Five Stars

Ok quality time will tell

13.06.2017

A**R

Five Stars

12.10.2015

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TrustScore 4.5 | 7,300+ reviews

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S$39

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to SINGAPORE.

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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