Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

Otto Frei

Check Valves - Otto Frei

Check Valves - Otto Frei

Otto Frei

Check Valves

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$33.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shopping designed around you.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

Check valves stop the reverse flow of gas back toward the tank at the bench, greatly reducing the chance of a dangerous tank explosion. These Smith Torch check valves install between the regulator and the hose. Both valves feature 9/16" (18...

Delivery & Returns

Returns accepted within 30 days

Exclusions may apply. See full policy

Otto Frei

Otto Frei

4.8 (1.5K)

You might also like

Otto Frei

Smith Regulators For CGA Tanks

Uniweld Regulators For CGA Tanks - Otto Frei

Otto Frei

Uniweld Regulators For CGA Tanks

(1)

ImpGen Meco Smith Little Torch Kit with 3 Meco Tips - Otto Frei

25% off

Otto Frei

Smith Little Torch with ImpGen-Meco Head Tube & 3 Meco Tips

Otto Frei

Electronic Ikohe Brand APPA Automatic Torch Lighter-Square Shape

Swiss Torch-Swiss Torch II 12 Foot Hose Set - Otto Frei

Otto Frei

Swiss Torch-Swiss Torch II 12 Foot Hose Set

(2)

Knew Concepts Titanium Soldering Strips - Otto Frei

Otto Frei

Knew Concepts Titanium Soldering Strips

Little Torch Replacement Valves - Otto Frei

19% off

Otto Frei

Little Torch Replacement Valves

Flux It Flux Dispenser - Otto Frei

Otto Frei

Flux It Flux Dispenser

(2)

Otto Frei

Set of 3 Color Coded Titanium Soldering Picks-Blue, Yellow & Red

Silver Sheet Solders-Extra Soft, Soft, Med, Med Hard & Hard-1/4 Oz. Sheets - Otto Frei

Otto Frei

Silver Sheet Solders-Extra Soft, Soft, Med, Med Hard & Hard-1/4 Oz. Sheets

(1)

5% off

Otto Frei

ImpGen Little Torch 1-1/2" Head Tube Adapter With 3 ImpGen Artisan Laminar Tips N00, N0 & N1

Uniweld Casting Torch Complete For Platinum Casting Oxygen/Hydrogen - Otto Frei

Otto Frei

Uniweld Casting Torch Complete For Platinum Casting Oxygen/Hydrogen

Tungsten Carbide Soldering Pick Regular 2.4mm Thick with Wood Handle - Otto Frei

Otto Frei

Tungsten Carbide Soldering Pick Regular 2.4mm Thick with Wood Handle

10Y, 14Y & 18Y Otto Frei High Karat Clipped Repair Solders-Easy - Otto Frei

Otto Frei

10K Yellow, 14K Yellow & 18K Yellow Otto Frei High Karat Clipped Repair Solders-Easy

Primo Swiss Torch & Swiss Torch II-Hose Sets - Otto Frei

Otto Frei

Primo Swiss Torch & Swiss Torch II-Hose Sets

Smith Non-Gauge Regulators For Disposable Tanks - Otto Frei

Otto Frei

Smith Non-Gauge Regulators For Disposable Tanks

Swiss Torch Micro Head With 3 Tips or Tips Only - Otto Frei

Otto Frei

Swiss Torch Micro Head With 3 Tips or Tips Only

Standard Titanium Soldering Trivets - Otto Frei

Otto Frei

Standard Titanium Soldering Trivets

(1)

Swiss Torch-Swiss Torch II Gauges & Hose Kit for Oxygen & Propane - Otto Frei

15% off

Otto Frei

Swiss Torch-Swiss Torch II Gauges & Hose Kit for Oxygen & Propane

ImpGen Little Torch 1-1/2" Cooler Head Tube Adapter With 3 Meco Tips Kit - Otto Frei

5% off

Otto Frei

ImpGen Little Torch 1-1/2" Cooler Head Tube Adapter With 3 Meco Tips Kit

(2)

Smith Little Torch Kit With Oxygen/MC Acetylene Regulators - No Tanks - Otto Frei

27% off

Otto Frei

Smith Little Torch Kit With Oxygen/MC Acetylene Regulators - No Tanks

Swiss Torch Hoke Style Head With 3 Tips or Tips Only - Otto Frei

Otto Frei

Swiss Torch Hoke Style Head With 3 Tips or Tips Only

(3)

Firescoff - Otto Frei

Otto Frei

Firescoff

ImpGen Little Torch Melting Tip - Otto Frei

Otto Frei

ImpGen Brass Little Torch Cooler Head Tube Melting Tip

Swiss Made G-Torch II Small Casting Torch - Otto Frei

5% off

Otto Frei

Swiss Made G-Torch II Small Casting Torch

AquiFlux Self Pickling Flux - Otto Frei

Otto Frei

AquiFlux Self Pickling Flux

(1)

Knew Concepts Titanium Soldering Trivets - Otto Frei

Otto Frei

Knew Concepts Titanium Soldering Trivets

Soldering Flux - Batterns - Otto Frei

Otto Frei

Soldering Flux - Batterns

Pepetools

Pepetools

4.9

(1.6K)

NANO Paste, Silver Solder Paste w/ Dispensing Syringe, 1/4 ozt

Smith Little Torch Kits With Oxygen/Propane Regulators - No Tanks - Otto Frei

27% off

Otto Frei

Smith Little Torch Kits With Oxygen/Propane Regulators - No Tanks

(1)

ImpGen Meco Melting Tip - Otto Frei

Otto Frei

ImpGen Meco Melting Tip

(1)

Third Hand With Tweezer On Round Base - Otto Frei

Otto Frei

Third Hand With Tweezer On Round Base

(1)

Meco Midget Torch Grade T Hose Set-12' (144") Long - Otto Frei

Otto Frei

Meco Midget Torch Grade T Hose Set-12' (144") Long

(2)

Swiss Torch O Ring For All Heads - Otto Frei

Otto Frei

Swiss Torch O Ring For All Heads

Smith 23-1014 Little Torch Propane Kit For Disposable Tanks - Otto Frei

33% off

Otto Frei

Smith 23-1014 Little Torch Propane Kit For Disposable Tanks

Swiss Made G-Torch II Complete Kit for Oxygen-Propane - Otto Frei

5% off

Otto Frei

Swiss Made G-Torch II Complete Kit for Oxygen-Propane

Propane Tank-Capacity 5 Lb-Empty - Otto Frei

Otto Frei

Propane Tank-Capacity 5 Lb-Empty

Ikohe Torch Holder for Little Torch & APPA Torch Lighter - Otto Frei

Otto Frei

Ikohe Torch Holder for Little Torch & APPA Torch Lighter

(1)

Rubber Tubing - Sold By The Foot - Otto Frei

Otto Frei

Rubber Tubing - Sold By The Foot

ImpGen Aussie Little Torch Kit with 3 Meco Tips - Otto Frei

27% off

Otto Frei

ImpGen Aussie Little Torch Kit with 3 Meco Tips

Third Hand-Round Base Only with Ball Joint Attachments-Tweezers Sold Separately - Otto Frei

Otto Frei

Third Hand-Round Base Only with Ball Joint Attachments-Tweezers Sold Separately

(1)

Meco Midget Torch Primo Fire Resistant Flexible Hose Set-8' - Otto Frei

Otto Frei

Meco Midget Torch Primo Fire Resistant Flexible Hose Set-8'

(2)

Gentec Non-Gauge Regulators for Disposable Tanks - Otto Frei

Otto Frei

Gentec Non-Gauge Regulators for Disposable Tanks

Meco Midget Torch Tip - Kit of 9 - Otto Frei

10% off

Otto Frei

Meco Midget Torch Tip - Kit of 9

Little Torch Magnetic Stand - Otto Frei

24% off

Otto Frei

Little Torch Magnetic Stand

Otto Frei

ImpGen Falcon Artisan Laminar Torch Tips For Meco Midget & Little Torch

Meco Midget Torch Tips - Otto Frei

Otto Frei

Meco Midget N-Style Torch Tips-Sizes 00 to 7

(2)

Handy Flame II Propane Torch - Otto Frei

Otto Frei

Handy Flame II Propane Torch

ImpGen Little Torch 3-1/2" Cooler Head Tube Adapter - Otto Frei

Otto Frei

ImpGen Little Torch 3-1/2" Cooler Head Tube Adapter

Porcelain Stackable Solder Saucers with Lid - Otto Frei

Otto Frei

Stackable Set of 5 Solder Saucers with Lid

ImpGen 28-Piece Meco Torch Tip Tray - Otto Frei

Otto Frei

ImpGen 28-Piece Meco Torch Tip Tray

Smith 23-1015P Little Torch Propane Outfit W/5 Tips, Regulators, Empty Tanks & Caddy - Otto Frei

34% off

Otto Frei

Smith 23-1015P Little Torch Propane Outfit W/5 Tips, Regulators, Empty Tanks & Caddy

$1,149.00$1,744.69

Swiss Torch Platinum Head or Tip Only - Otto Frei

Otto Frei

Swiss Torch Platinum Head or Tip Only

(1)

European Compressed Charcoal Blocks - Otto Frei

Otto Frei

European Compressed Charcoal Blocks

(1)

Y Connector Two Way 9/16" - Otto Frei

Otto Frei

Y Connector Two Way 9/16"

Hose Connector Oxygen - Otto Frei

Otto Frei

Hose Connector Oxygen

Technique Titanium Solder Picks-Kit of 3-Brass, Blue & Red - Otto Frei

Otto Frei

Technique Titanium Solder Picks-Kit of 3-Brass, Blue & Red

Otto Frei

TORCHLOCH - Smith Little Torch Holder and Tip Organizer

(1)

14KY & 18KY Otto Frei Yellow Gold Plumb Solders - Otto Frei

Otto Frei

Gold Plumb Solders – Otto Frei Yellow Gold Plumb Solders, 14K & 18K

(2)

ImpGen Meco Midget 3-1/2" Head Tube Adapter - Otto Frei

Otto Frei

ImpGen Meco Midget 3-1/2" Head Tube Adapter

ImpGen Little Torch 1-1/2" Cooler Head Tube Adapter - Otto Frei

Otto Frei

ImpGen Little Torch 1-1/2" Cooler Head Tube Adapter

(1)

Titanium Bezel Clamp - Otto Frei

Otto Frei

Titanium Bezel Clamp

(1)

Smith WH100 Casting Torch Complete with Oxygen/Acetylene 10" Multi FlameTip - Otto Frei

29% off

Otto Frei

Smith WH100 Casting Torch Complete with Oxygen/Acetylene 10" Multi FlameTip

Stainless Steel Binding Wire - Otto Frei

Otto Frei

Stainless Steel Binding Wire

Hose Set For Oxygen & Acetelyne Gas Grade R-12' (144") Long - Otto Frei

Otto Frei

Hose Set For Oxygen & Acetelyne Gas Grade R-12' (144") Long

Little Torch Curved Tips - Otto Frei

18% off

Otto Frei

Little Torch Curved Tips

(2)

14K,18K & 19K Otto Frei White Gold Plumb Solders - Otto Frei

Otto Frei

14K,18K & 19K Otto Frei White Gold Plumb Solders

Smith Little Torch All Fuel Gas Kit with Hose & 5 Tips - Otto Frei

39% off

Otto Frei

Smith Little Torch All Fuel Gas Kit with Hose & 5 Tips

(3)

Smith Little Torch All Gas Kit with Hose & 1 Tip - Otto Frei

Otto Frei

Smith Little Torch All Gas Kit with Hose & 1 Tip

European Natural Charcoal Block-Medium Size 5-1/2 x 2-3/4 x 1-1/4 - Otto Frei

Otto Frei

Natural Euro Charcoal Block-5-1/2 x 2-3/4 x 1-1/4

Hose Connector Gas - Otto Frei

Otto Frei

Hose Connector Gas

Cupronil Fire Scale Preventive - Otto Frei

Otto Frei

Cupronil Fire Scale Preventive

(1)

Swiss Torch Casting Head For Oxygen or Tip Only - Otto Frei

Otto Frei

Swiss Torch Casting Head For Oxygen or Tip Only

(1)

ImpGen 10-Piece Meco Torch Tip Tray - Otto Frei

Otto Frei

ImpGen 10-Piece Meco Torch Tip Tray

Rotating Soldering Table With 4-1/2" Silquar Soldering Board - Otto Frei

Otto Frei

Rotating Soldering Table With 4-1/2" Silquar Soldering Board

(1)

Little Torch Primo Fire Resistant Flexible Hose Set-8' (96") - Otto Frei

Otto Frei

Little Torch Primo Fire Resistant Flexible Hose Set-8' (96")

(2)

Mini Honeycomb Boards with Pins - Otto Frei

Otto Frei

Mini Honeycomb Boards with Pins

(1)

Little Torch Primo Fire Resistant Flexible Hose Set-12' (144") - Otto Frei

Otto Frei

Little Torch Primo Fire Resistant Flexible Hose Set-12' (144")

Otto Frei

Tix Anti-Flux 1/2 oz.

10Y, 14Y & 18Y Otto Frei High Karat Yellow Gold Repair Solders - Otto Frei

Otto Frei

10K, 14K & 18K Otto Frei High Karat Yellow Gold Repair Solders

(1)